Answer:
87.18
Step-by-step explanation:
Answer:
114.706%...or 1.14706
Step-by-step explanation:
divide 39 by 34 and you will get 1.14706 and multiply by 100 to get the percentage 114.705% if you round 115%
What is the slope of a line perpendicular to the line y=12/5x+4
Answer:
x = -5/3
Step-by-step explanation:
Which problem can be represented by the model?
Help
By using the principles of fractions, we can find out that the models represent the problem 3/4 × 3.
Define fractions?A number that represents a percentage of a whole serves as the mathematical representation of a fraction. Fractions can be thought of as any number, any amount, or a portion of an object.
A pizza that has been cut into eight equal pieces. The notation 1/8, which denotes that we are speaking of one portion out of 8 equally sized portions, can be used to refer to a single portion of the pizza.
It indicates one equal part in eight. Furthermore, it can be written as: 1/8
It will be written as 2/8 if we choose to have 2 portions of the pizza. Similar to how we would write 6/8 as a fraction if we were referring to 6 portions of this pizza.
Now here in the question, 3 parts are selected out of 4.
So that suggests it is 3/4.
As there are 3 circular models, so the representation will be as:
3/4 × 3.
To know more about fractions, visit:
https://brainly.com/question/10354322
#SPJ1
I need some help understanding this
Answer:
????what is the question
The solution for the equation 1,057=b+670 is
Answer:
b = 387
Step-by-step explanation:
1057 - 670 = 387
First isolate B by putting the 670 to the other side of the equal sign. However, in order for the equation to remain equal, you must subtract 670 from both sides.
1057 - 670 = B + 670 - 670
387 = B
Help me pls will give out points
[tex]y = ab^{x} [/tex]
[tex]y = 3 \times {4}^{x} [/tex]
"a" is the initial amount (3), and "b" is the growth factor (4).
To find "b" plug in the knowns into the exponential function equation and solve.
[tex]y = ab^{x} [/tex]
[tex]48 = 3 \times {b}^{2} [/tex]
[tex]16 = {b}^{2} [/tex]
[tex] \sqrt{16} = b[/tex]
[tex]b = 4[/tex]
what is the answer? pls help
Answer:
-2
Step-by-step explanation:
The formula for finding the slope is y2-y1 divided by x2-x1. You can use any two points.
So,
220-240 divided by 10-0= -20/10= -2
Hope this helps!!!
What is answer in this question.
Answer:
A line segment congruent to PQ
Round 5,896,487 to the
nearest ten-thousand.
Answer:12
Step-by-step explanation:
u half to round it to the nerest hundreths and than multiplye it by 4
Answer: 5,900,000
Step-by-step explanation: 5,900,000 ~ 5,896,487 ( 800,000) Round it ~ = 5,900,000
D 1. Find (f + g)(x) if f(x) =
4x^2– 5x + 8 and g(x) = 2x^2 + x - 2.
1- (f+g)(x) = 2x^2 + 6x - 10
2- (f+g)(x) = 6x^2 + 4x - 6
3- (f +9)() = 6x^2 - 4x + 6
4- (f+g)(x) = 2x^2- 6x + 10
answer 2
Step-by-step explanation:
the second one
Find the lcm of 2,3,7 and tell me how u got ur answer
if its CORRECT with ur reasoning ill give brainlest
Answer:
42
Step-by-step explanation:
The data below represent commute times (in minutes) and scores on a well-being survey. Complete parts (a) through (d) below. Commute Time (minutes), x 5 15 30 35 50 84 105 Well-Being Index Score, y 69.1 67.8 66.2 65.9 64.6 62.6 60.2 (a) Find the least-squares regression line treating the commute time, x, as the explanatory variable and the index score, y, as the response variable. y=negative 0.083−0.083x+69.04069.040 (Round to three decimal places as needed.) (b) Interpret the slope and y-intercept, if appropriate. Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. For an index score of zero, the commute time is predicted to be nothing minutes. (Round to three decimal places as needed.) B. For every unit increase in index score, the commute time falls by nothing, on average. (Round to three decimal places as needed.) C. For a commute time of zero minutes, the index score is predicted to be nothing. (Round to three decimal places as needed.) D. For every unit increase in commute time, the index score falls by nothing, on average. (Round to three decimal places as needed.) E. It is not appropriate to interpret the slope.
Answer:
(a) [tex]\hat y=69.04-0.083\cdot x[/tex]
(b) D. For every unit increase in commute time, the index score falls by 0.083, on average.
Step-by-step explanation:
(a)
Form the least-squares regression line using Excel as follows:
Go to Data → Data Analysis → Regression
A dialog box will open.
Select the X and Y variable.
Press Ok.
The regression output is attached below.
The least-squares regression line is:
[tex]\hat y=69.04-0.083\cdot x[/tex]
(b)
The slope of a regression line is the average rate of change in the dependent variable (y) with 1 unit change in the independent variable (x).
Here the slope value is -0.083. This value implies that with 1 minute change in the commute times the Well-Being Index Score falls by 0.083 units.
The intercept of a regression line is the average value of the dependent variable (y) when the independent variable (x) value is 0.
Here, the intercept value is 69.04. This value implies that for a person with commute time 0, their Well-Being Index Score is 69.04.
The correct option is:
D. For every unit increase in commute time, the index score falls by 0.083, on average.
Wait i got a question is that little star suppose to be this × or this ÷
Answer:
You're really gonna sit there and just focus on your life all day ... And the section was tiny—it covered the same amount of ...
Step-by-step explanation:
make me as brain liest
Solve for x in the equation.
Answer:
The solution is [tex]\displaystyle x=1\pm \sqrt{47}[/tex]. Fourth option
Explanation:
Solve for x:
[tex]2x^2+3x-7=x^2+5x+39[/tex]
Move all the terms from the right to the left side of the equation, a zero in the right side:
[tex]2x^2+3x-7-x^2-5x-39=0[/tex]
Join all like terms:
[tex]x^2-2x-46=0[/tex]
The general form of the quadratic equation is:
[tex]ax^2+bx+c=0[/tex]
Solve the quadratic equation by using the formula:
[tex]\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]
In our equation: a=1, b=-2, c=-46
Substituting into the formula:
[tex]\displaystyle x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-46)}}{2(1)}[/tex]
[tex]\displaystyle x=\frac{2\pm \sqrt{4+184}}{2}[/tex]
[tex]\displaystyle x=\frac{2\pm \sqrt{188}}{2}[/tex]
Since 188=4*47
[tex]\displaystyle x=\frac{2\pm \sqrt{4*47}}{2}[/tex]
Take the square root of 4:
[tex]\displaystyle x=\frac{2\pm 2\sqrt{47}}{2}[/tex]
Divide by 2:
[tex]\displaystyle x=1\pm \sqrt{47}[/tex]
First option: Incorrect. The answer does not match
Second option: Incorrect. The answer does not match
Third option: Incorrect. The answer does not match
Fourth option: Correct. The answer matches exactly this option
Round 43.586 to the nearest tenth. Pleaseee help ASAP
Answer:
43.6
Step-by-step explanation:
I hope this helps you :)
Answer:
43.59
Step-by-step explanation:
43.59 because it is
how many days are in 2 years + 18 months?
please help!!!!
Answer:
1277
Step-by-step explanation:
Answer:
1278.04
Step-by-step explanation:
Why? In 1 year there are approximately 365.24 days, but in 1 month there are approx 30.42 days.
So 365.24 × 2 = 730.48
And 30.42 × 18 = 547.56 (+
-----------------------
1278.04
Maurice worked 15 hours last week at his job and made $150. If Maurice worked 25 hours this week, how much did he make?
Answer:
Step-by-step explanation:
When Maurice works 15hrs, he makes $150.
So first you have to find out how much money he makes each hour.
To do this you do :
Money earnt divided by hour many hours he worked.
Money made per hour = [tex]\frac{150}{15}[/tex] = $10
So since Maurice makes $10 every hour,
If her works 25 hours, it will be $10 x 25 = ?
What is the value of the expression below when z = 10 and w = 7
10z + 9w
Answer:
163
Step-by-step explanation:
10(10)+9(7)=
100+63=163
Answer:
163
Step-by-step explanation:
If z=10 and w=7.
10z+9w [writing the equation again for reference purposes]
10(10) + 9(7) [we substitute each variable with its defined value]
100 + 9(7) [we multiply 10 and 10, aka 10 and z]
100 + 63 [we multiple 9 and 7, aka 9 and w]
163 [we add 100 and 63 to get our final answer]
What is the maximum of the numbers listed below?
5.2, 5.4, 4.9, 4.4, 5.1
Answer:
5.4
Step-by-step explanation:
5.2, 5.4, 4.9, 4.4, 5.1
4.4, 4.9, 5.1, 5.2, 5.4
5.4 is the maximum
Hope this helped!
Ingrid and Harish were trying to solve the equation:
22 - 3x = x + 1
Ingrid said, "First, I'll subtract x from both sides so I have a? - 4x = 1. Then I can solve by completing the
square. If I add 4 to each side, I can rewrite the equation as (x - 2)² = 5."
Harish said, “I'll isolate the xạ term by adding 3x to both sides of the equation. Then I'll solve by taking the
square root."
Whose solution strategy would work?
Answer:
Only Ingrid's equation is correct
Answer:
Only Ingrid’s solution works
determine the annual amount that an investor would earn on a rental property that pays $850.00 per month.
Answer:10,200
Step-by-step explanation:
PLS HELP ME! Write a rule (function) for the data in this table.
Answer:
y = x - 3
How I know I'm correct:if you plug in the numbers from the table, it checks out.
y = x - 3
0 = 3 - 3
0 = 0
y = x - 3
1 = 4 - 3
1 = 1
y = x - 3
2 = 5 - 3
2 = 2
and so on
The ratio between the ages of Amar and Kabir is 3:4 at present.after 4 years ago their ages would be 7:9.ratio of ages of Kabir and amar after 20 years from now?
Answer:
[tex]Ratio = 11:13[/tex]
Step-by-step explanation:
Represent Amar age with x
Represent Kabir age with y
So, we have:
Presently
[tex]x : y = 3 : 4[/tex]
After 4 years
[tex]x + 4 : y + 4 = 7 : 9[/tex]
Simplify both ratios:
[tex]x : y = 3 : 4[/tex]
[tex]\frac{x}{y} = \frac{3}{4}[/tex]
Cross Multiply
[tex]4x = 3y[/tex]
Make x the subject
[tex]x = \frac{3}{4}y[/tex]
[tex]x + 4 : y + 4 = 7 : 9[/tex]
[tex]\frac{x + 4}{y + 4} = \frac{7}{9}[/tex]
Cross Multiply
[tex]7(y+4) = 9(x+4)[/tex]
Open Brackets
[tex]7y + 28 = 9x + 36[/tex]
Collect Like Terms
[tex]9x = 7y + 28 - 36[/tex]
[tex]9x = 7y -8[/tex]
Substitute [tex]\frac{3}{4}y[/tex] for x in [tex]9x = 7y -8[/tex]
[tex]9(\frac{3}{4}y) = 7y - 8[/tex]
[tex]\frac{27}{4}y = 7y - 8[/tex]
[tex]6.75y = 7y - 8[/tex]
[tex]6.75y - 7y = - 8[/tex]
[tex]-0.25y = - 8[/tex]
[tex]y = -8/-0.25[/tex]
[tex]y = 32[/tex]
Substitute 32 for y in [tex]x = \frac{3}{4}y[/tex]
[tex]x = \frac{3}{4} * 32[/tex]
[tex]x = \frac{3* 32}{4}[/tex]
[tex]x = \frac{96}{4}[/tex]
[tex]x = 24[/tex]
So, in 20 years time, the ratio of the ages would be:
[tex]x + 20 : y + 20[/tex]
This gives
[tex]24 + 20 : 32 + 20[/tex]
[tex]44 : 52[/tex]
Divide by 4
[tex]44/4:52/4[/tex]
[tex]11:13[/tex]
Hence, the Ratio is
[tex]Ratio = 11:13[/tex]
Please help i will give brainliest
Answer:
Slope= -4
Y-intercept= 50
Y=-4x+50
6299 round to neaRest hundred
Answer:
6300
Step-by-step explanation:
plz give me a harder answer next time :)
what is 276,485 rounded to the nearest hundred thousand?plzzzzzz answer
Answer:
300,000
Step-by-step explanation:
DELILAH HAS OF A CUP OF SPRINKLES THAT SHE
PLANS TO DECORATE CUPCAKES WITH. IF EACH CUPCAKE
SETS T OF A CUP OF SPRINKLES, HOW MANY
CUPCAKES WILL SHE BE ABLE TO DECORATE?
Answer:
2.9 cupcakes
Step-by-step explanation:
rate and hit that thanks button
happy halloween
if given f(x)=2x+5 what is f(x)=17
Answer:
39
Step-by-step explanation:
F(17)= 2(17)+5
2x17=34 +5=39
who wants my girl? if yes put it down
Answer:
Already stole herrrrrr ahahah
Step-by-step explanation:
Answer:
nah good luck tho hahaha
Solve. Write your answer without exponents.
3^0 x 3^4
Step-by-step explanation:
3^0 is 1 and 3^4 is 81
I think you can solve it now
Hope this helps <3
WILL MARK BRAINLIEAT I NEED ANSWER NOWSelect the correct answer.
If the function 5x + y = 1 has the domain {-2, 1,6}, then what is the corresponding range?
O A.
{-9, 6, 31}
B. {9, -6, -31}
C. {-11, 4, 29}
D. {11, -4,-29}
Answer:
D, R: {11, -4, -29}
Step-by-step explanation:
According to the given set of domains, the corresponding range is found by substituting the x values into the equation and solving for y.
i.e {-2} -> 5x + y = 1, -10 + y = 1, y = 11
{1} -> 5x + y = 1, 5 + y = 1, y = -4
{6} -> 5x + y = 1, 30 + y = 1, y = -29
Answer:
The short answer is D