Answer:
Rational
Step-by-step explanation:
Give brainliest or at least a thanks please!
Answer:
irrational number
Step-by-step explanation:
if it was 9/7
it was rational number
Erik and Caleb were trying to solve the equation: 0=(3x+2)(x-4) Erik said, "The right-hand side is factored, so I'll use the zero product property." Caleb said, "I'll multiply (3x+2)(x-4) and rewrite the equation as 0=3x^2-10x-8 Then I'll use the quadratic formula with a=3, b=-10, and c=-8. Whose solution strategy would work? A) Erik B) Caleb C) Both D) Neither
Answer:
C) Both
Step-by-step explanation:
The given equation is:
[tex]0=(3x+2)(x-4)[/tex]
To solve the given equation, we can use the Zero Product Property according to which if the product A.B = 0, then either A = 0 OR B = 0.
Using this property:
[tex](3x+2) = 0 \Rightarrow \bold{x = -\frac{2}{3}}\\(x-4) = 0 \Rightarrow \bold{x = 4}[/tex]
So, Erik's solution strategy would work.
Now, let us discuss about Caleb's solution strategy:
Multiply [tex](3x+2)(x-4)[/tex] i.e. [tex]3x^2-12x+2x-8[/tex] = [tex]3x^2-10x-8[/tex]
So, the equation becomes:
[tex]0=3x^2-10x-8[/tex]
Comparing this equation to standard quadratic equation:
[tex]ax^2+bx+c=0[/tex]
a = 3, b = -10, c = -8
So, this can be solved using the quadratic formula.
[tex]x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]
[tex]x=\dfrac{-(-10)\pm\sqrt{(-10)^2-4\times3 \times (-8)}}{2\times 3}\\x=\dfrac{-(-10)\pm\sqrt{196}}{6}\\x=\dfrac{10\pm14}{6} \\\Rightarrow x= 4, -\dfrac{2}{3}[/tex]
The answer is same from both the approaches.
So, the correct answer is:
C) Both
Answer:
Both
Step-by-step explanation:
find the slope of the line passing through (-9,-6) and (-4,5)
Answer:
11/5
Step-by-step explanation:
We can use the slope formula
m = (y2-y1)/(x2-x1)
= (5 - -6)/(-4 - -9)
= (5+6)/( -4+9)
= 11/5
Let's find the slope using the graphing method.
First set up a coordinate system like I have done below.
Now, graph each ordered pair.
Let's call (-9, -6) point A and (-4, 5) point B.
Now remember that the slope or m is equal
to the rise over run from point A to point B.
To get from point A to point B, we rise 11 units and run 5 units.
So our slope is 11/5.
What is the value of x?
O 30
O 45
O 55
O 60
Joshua spins a spinner twice. The spinner consists of 3 equally spaced colors, Red, Blue, and Yellow. What is the probability that the spinner will stop on green and then yellow? ASAP
Answer:
[tex]\dfrac{1}{9}[/tex]
Step-by-step explanation:
Given a spinner with 3 equally spaced colors Red, Blue, Yellow.
The colors are equally spaced, therefore probability of each color must be same.
i.e. Probability of occurrence of any one color in one spin is [tex]\frac{1}{3}[/tex].
To find:
Probability that spinner will stop one green in first spin and yellow in the second spin = ?
Solution:
As all the colors are equally likely to occur, so
Probability of green color in the first spin, P(G) = [tex]\frac{1}{3}[/tex]
Probability of yellow color in the second spin, P(Y) = [tex]\frac{1}{3}[/tex]
As we can observe that occurrence of any color in the second round of spin is not dependent on the color occurrence in the first spin, therefore these are the independent events.
P(G and Y) = P(G) [tex]\times[/tex] P(Y)
[tex]\Rightarrow P(G\ and\ Y) = \dfrac{1}{3} \times \dfrac{1}{3}\\\Rightarrow P(G\ and\ Y) = \bold{\dfrac{1}{9}}[/tex]
Therefore, the required probability is
[tex]\dfrac{1}{9}[/tex].
An underwater canyon begins at 40 feet
below sea level and is 105 feet deep.
What is the elevation of the bottom of
the canyon?
Answer:
145 feet.
Step-by-step explanation:
Given that:
An underwater canyon begins at depth = 40 ft
Depth of canyon = 105 ft
To find:
The elevation of the bottom of the canyon = ?
Solution:
Kindly refer to the image attached for the given dimensions.
A is the sea level.
B is the point at which the canyon starts and
C is the bottom of the canyon.
As per question statement, we are given that:
AB = 40 feet
BC = 105 feet
And we have to find the distance AC = ?
It is clearly observable that:
[tex]AC = AB + BC\\\Rightarrow AC = 40 + 105\\\Rightarrow \bold{AC = 145 ft}[/tex]
So, the elevation of the bottom of the canyon is 145 ft.
Solve the following inequality for d. Write your answer in simplest form. 3−(9d−1)< −6d+2+7
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
Inequality Form:
I NEED HELP PLZ!!!!! ASAP
Answer:
[tex]AB \approx 70.7[/tex]
Step-by-step explanation:
This is a right triangle.
We have sides:
[tex]BC=52[/tex]
[tex]AC=48[/tex]
In order to find the other side, you can use the Pythagorean theorem:
[tex]a^2+b^2=c^2[/tex]
as 'c' equal to the hypotenuse and, 'a' and 'b' are legs or cathetus.
For this triangle,
[tex]AC^2+BC^2=AB^2[/tex]
[tex]48^2+52^2=AB^2[/tex]
[tex]2304+2704=AB^2[/tex]
[tex]AB=\sqrt{5008}=4\sqrt{313}[/tex]
[tex]AB \approx 70.7[/tex]
identify the property illustrated by the equation 8x(5x9)=(8x5)x9
Answer:
assosiative property
Select TWO possible values for x in the equation x2=45.
Answer:
[tex]3 \sqrt 5}[/tex] and [tex]-3 \sqrt 5}[/tex]
Step-by-step explanation:
Given
[tex]x^2 = 45[/tex]
Required
Determine the values of x
[tex]x^2 = 45[/tex]
Take square root of both sides
[tex]\sqrt{x^2} = \±\sqrt{45}[/tex]
[tex]x = \±\sqrt{45}[/tex]
Expand 45 as 9 * 5
[tex]x = \±\sqrt{9 * 5}[/tex]
Split the square root
[tex]x = \±(\sqrt{9} *\sqrt 5}[/tex]
[tex]x = \±3 *\sqrt 5}[/tex]
[tex]x = \±3 \sqrt 5}[/tex]
This can be further split to:
[tex]x = 3 \sqrt 5}[/tex] or [tex]x = -3 \sqrt 5}[/tex]
Hence, the possible values of x are
[tex]3 \sqrt 5}[/tex] and [tex]-3 \sqrt 5}[/tex]
Which expression is equal to – 3i(4 – 2i)?
-61
0-6 – 12i
O 6 – 12i
-12 – 6i
Answer:
-23
Step-by-step explanation:
-3i(4-2i)?
-61
0-6-12i
-12-6i
An expression that is equivalent to -3i(4 - 2i) is: B. -6 - 12i.
What is the distribution property of multiplication?The distributive property of multiplication states that when the sum of two (2) or more addends are multiplied by a given numerical value or factor, the same output would be produced as when each addend is multiplied respectively by the numerical value or factor, and the products are added together.
Note: i² is equal to -1 and i is equal to [tex]\sqrt{-1}[/tex].
By applying the distributive property of multiplication to the given expression, we have:
-3i(4 - 2i) = -3i(4) + 3i(2i)
-3i(4 - 2i) = -12i + 6(-1)
-3i(4 - 2i) = -12i - 6.
-3i(4 - 2i) = -6 - 12i.
Read more on expression here: brainly.com/question/16729936
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Determine the slope of a line given points, (-5, 8) and (-8,5).
Answer:
1
Step-by-step explanation:
We can use the slope formula
m = (y2-y1)/(x2-x1)
= (5-8)/(-8 - -5)
= -3/(-8+5)
= -3/-3
= 1
Evaluate the following expression where x = 6, y = 24andz = 4 z(-y+x)
Answer:
-96+24= -72 or just -72
Step-by-step explanation:
4(-24+6)
-96+24= - 72
put the values of x,y and z
4(-24+6)
4(-18)
= -72
what type OK f number is -0.5/-0.5
Simplify the radical /8106.
Answer:
√8106
Step-by-step explanation:
8106 = 2·3·7·193
It has no square factors, so the radical cannot be simplified further.
What is the equation in slope form of line passing through (1,9) and(-1,11)
Answer:
y = -x + 10
Step-by-step explanation:
Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Slope-Intercept Form: y = mx + b
Step 1: Find slope m
m = (11 - 9)/(-1 - 1)
m = 2/-2
m = -1
y = -x + b
Step 2: Find y-intercept b
9 = -(1) + b
9 = -1 + b
b = 10
Step 3: Rewrite linear equation
y = -x + 10
The length of a rectangle is five inches more than four times it’s width if the perimeter of the rectangle is 90 inches , find it’s dimensions
Answer:
length = 37 incheswidth = 8 inchesStep-by-step explanation:
Perimeter of a rectangle = 2l + 2w
where
l is the length
w is the width
From the question
Perimeter = 90 inches
The statement
The length of a rectangle is five inches more than four times it’s width is written as
l = 5 + 4w
Substitute this expression into the above formula and solve for the width
That's
90 = 2(5 + 4w) + 2w
90 = 10 + 8w + 2w
10w = 90 - 10
10w = 80
Divide both sides by 10
w = 8
Substitute this value into l = 5 + 4w
That's
l = 5 + 4(8)
l = 5 + 32
l = 37
Therefore we have
length = 37 incheswidth = 8 inchesHope this helps you
A and B have certain number of mangoes. A says to B, " If you give me 10 of your mangoes, I will have twice as many as left with you." B replies, "If you give me 10 of your mangoes, I will have thrice the number of mangoes left with you. Find the original number of mangoes each had.
Answer:
A had 22 mangoes, B had 26 mangoes
Step-by-step explanation:
We can write the following system:
A + 10 = 2(B - 10) -- Equation 1
3(A - 10) = B + 10 -- Equation 2
A + 10 = 2B - 20 → A = 2B - 30 -- Equation 3 (Simplify Equation 1)
3(2B - 30 - 10) = B + 10 -- Equation 4 (Substitute 3 into 2)
3(2B - 40) = B + 10
6B - 120 = B + 10
5B = 130
B = 26 -- (Solve for B in Equation 4)
A = 2 * 26 - 30 = 22 -- (Substitute B = 26 into Equation 3)
Louise Gaines is paid a bi-weekly salary of $6,000. To date, she has earned $96,000. Her filing
status is Head of Household.
What is her Social Security tax withholding for this pay period?
Answer:
$5952
Step-by-step explanation:
By the Federal Insurance Contributions Act which is a U.S. payroll tax meant to fund Medicare and Social Security, the FICA tax is shared among the employer and the employee whereby the employers share is 7.65% of the employees gross income and the employees share is also 7.65% of their gross income with 6.2% being for social security and 1.45% being for Medicare.
Louise Gaines, therefore will have 6.2% of $96,000 or $96,000 × 0.062 = $5952 withheld for the period.
solve lim x->0 (1+sinx)/cosx
Answer:
1
Step-by-step explanation:
(1+sinx)/cosx
(1+sin0)/cos0
(1+0)/1
1/1
1
:. Lim x->0 =1
find the equation of a parabola that has a vertex (3,5) and passes through the point (1,13)
Answer:
y = 2( x-3)^2 +5
Step-by-step explanation:
The vertex form of a parabolic functions is
y = a( x-h)^2 +k
where (h,k) is the vertex
y = a( x-3)^2 +5
Substituting the point into the equation
13 = a( 1-3)^2 +5
13 = a*( -2)^2 +5
13 = 4a +5
Subtract 5
8 = 4a
Divide by 4
8/4 =a
2=a
y = 2( x-3)^2 +5
OA) 30°
O B) 60°
D) 50°
OC) 90°
Answer:
A) 30°
Step-by-step explanation:
Sum of three angles of a triangle = 180°
75° +75° + ∠WYZ = 180°
Add like terms
150° + ∠WYZ = 180°
Subtract 150°from both sides
∠WYZ = 180 - 150
∠WYZ = 30°
how many planes contain the same three collinear points?
Answer:
The points are collinear if the slope of any two pair of points is the same. Many infinite planes pass through that line. Thus, there are infinite planes contain the same three collinear plane.
Answer:
infinitely many
Step-by-step explanation:
well if you think about it in a 3D plane
we can make to planes intercept at a line
and we can make another plane that another plane interceptes the other to planes in the same line
and another
and another
...
so we can have three points in the line (collinear) that the planes intercept and we are done
can irrational numbers also be integers/ True or False
Answer:
true
Step-by-step explanation:
Hi can u please help will mark brainliest
Answer:
$-48
Step-by-step explanation:
(-125 + -86 +54 +-35)/4 = -48
Add all the Profits/losses and divide by the number of weeks.
Can someone please help me with this problem? A fastpitch softball player signs a six year contract. Her agent expects that she will earn $1,000,000 over the next six years. If the agent is right, how many bonus payments, on average, should the pitcher expect each year? Explain
Answer:
The question is not complete, below is the complete question:
A fastpitch softball player signs a six-year contract. Her agent expects that she will earn $1,000,000 over the next six years. If the agent is right, how many bonus payments, on average, should the pitcher expect each year? Explain
Yearly Salary: $20.000. Bonus for each game that attracts 100+ fans: $8.000.
Answer:
on average, the pitcher expects to earn 18.3 bonuses per year
Step-by-step explanation:
Total amount earned over the next 6 years = $1,000,000
salary per year = $20,000
salary for the next 6 years = 20,000 × 6 = $120,000
Next, let us calculate the amount earned from bonuses:
Total amount earned = amount earned from salaries + amount earned from bonuses
$1,000,000 = 120,000 + Amount earned from bonuses
Amount earned from bonuses = 1,000,000 - 120,000
Amount earned from bonuses = $880,000
Total bonus amount earned over six years = $880,000
Amount of bonus earned per game = $8,000
Number of bonuses received over the next 6 years = (Total bonus earned over six years) ÷ (Amount of bonus earned per game)
Number of bonus received over the next 6 years = 880,000 ÷ 8,000
Number of bonus received over the next 6 years = 110 bonuses
6 years = 110 bonuses
1 year = 110 ÷ 6 = 18.33 bonuses
on average, the pitcher expects to earn 18.3 bonuses per year
please help :) Write the number shown in standard notation. 5.29 x 10 to the 4th power A. 52,900 B. 5,290,000 C. 5,290 D. 529,000
Answer: Hi!
The equation given is 5.29 * 10^4.
First, we need to solve the exponent.
10^4 = 10,000
Next, we multiply 10,000 by 5.29.
10,000 * 5.29 = 52,900
Therefore, your answer is a), 52,900.
Hope this helps!
Answer:
A.
Step-by-step explanation:
It is 5.29 x 10,000
= 52,900.
Write the equation in slope intercept form: passing through the x-axis at x=3 and passing through the y-axis at y= -5
Answer:
[tex]y=\frac{5}{3}x-5[/tex]
Step-by-step explanation:
Slope-intercept:
[tex]y=mx+b[/tex]
m is the slope and b is the y-intercept. We know that the line passes through the y-axis at -5, so this is the y-intercept (where x is equal to 0). Insert this into the equation:
[tex]y=mx-5[/tex]
With the given information, we can form two points:
[tex](3,0)(0,-5)[/tex]
The first one is the x-intercept and the second the y-intercept. Use these to find the slope:
[tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{rise}{run}[/tex]
Rise over run is the change in the y-axis over the change in the x-axis, otherwise known as the slope. Insert the appropriate values:
[tex](3_{x1},0_{y1})\\(0_{x2},-5_{y2})\\\\\frac{-5-0}{0-3}[/tex]
Solve:
[tex]\frac{-5-0}{0-3}=\frac{-5}{-3}[/tex]
Note that both the numerator and denominator are negatives. Two negatives make a positive, so:
[tex]\frac{5}{3}[/tex]
The slope is [tex]\frac{5}{3}[/tex]
Insert into the equation:
[tex]y=\frac{5}{3}x-5[/tex]
:Done
What are some important considerations when conducting cross-cultural research? Is there ever a time when research findings might be free of culture?
Answer:
Following are the relevant factors about cross-cultural research
Step-by-step explanation:
The Cross-cultural also known as the Intercultural studies, it involves work performed across various geographical regions improving student with different cultural backgrounds. While there are several similarities in certain human emotions, feelings, and behavior patterns, delicate differentiation is motivated by religion, political ideology, culture, etc.
It also means that with these distinctions, one could not make assumptions the results to everybody in the world. While most nations are democratic and diverse cos of the enhanced stage of global corporations or organizations, people would stick to their core tenets, traditions, customs or practices, that will make the research difficult to consider as one group. So, cross-cultural research would be the only option and would not shift in the immediate future, as much as the different cultures prevail.Carson needs 3 quarts of water to make fruit punch, but has only a l-cup measuring cup.
She knows there are 2 cups in 1 pint, and 2 pints in 1 quart.
Use the drop-down menus to explain how Carson can find the number of cups of water she
needs to make the punch.
Please help!!!
Answer:
Cups of water she needs to make the punch is 12.
Step-by-step explanation:
Amount of water Carson need to make fruit punch = 3 quarts
2 cups is 1 pint
2 pints is 1 quart
1 pint = 1/2 quarts
2 cups is 1 pint which is 1/2 quarts
So, 1 cup:
1 cup is 1/2 times 2 quarts
1 quart is 1 times 2 times 2 cups equals 4 cups
So, 3 quarts equals 3 times 4 cups which equals 12 cups.
So it is 12 cups.
Cups of water she needs to make the punch is 12.
What is unit conversion?
A unit conversion expresses the same property as a different unit of measurement.
Given that, Carson needs 3 quarts of water to make fruit punch, but has only an l-cup measuring cup.
She knows there are 2 cups in 1 pint, and 2 pints in 1 quart.
Amount of water Carson need to make fruit punch = 3 quarts
2 cups is 1 pint
2 pints is 1 quart
1 pint = 1/2 quarts
2 cups is 1 pint which is 1/2 quarts
So, 1 cup:
1 cup is 1/2 times 2 quarts
1 quart is 1 times 2 times 2 cups equals 4 cups
So, 3 quarts equals 3 times 4 cups, which equals 12 cups.
Hence, she need 12 cups.
For more references on unit conversion, click;
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If all the letters of the English alphabet were written on a piece of paper, over and over again, which letter would be the ten millionth letter to be written?
Answer:
Alphabet J
Step-by-step explanation:
Given
Alphabet: A - Z
Required
Determine which alphabet is at the 10 millionth position
Represent the number of alphabets with n
n = 26
To get the alphabet at the required position, we have to divide 10 million by 26 and note down the remainder
[tex]\frac{10000000}{26} = 384615\ R\ 10[/tex]
The division gives, 384615 remainder 10
This implies that, the alphabet at the 10th position is the same alphabet at the 10 millionth position;
And this alphabet is J