Answer:
16.25
Step-by-step explanation:
Answer:
48.75
Step-by-step explanation:
What is the slope of the line?
Answer:
1over1 because it goes up by 1 and right by 1. u welcome
which number is an irrational number
A. Square root of 7
B. Square root of 4
C. 0
D. -5
I need help ASAP I will put answer on Brainliest
Answer:
A choice.
Step-by-step explanation:
Irrational number is a number that cannot be written in a fraction form. All square roots are classified as an Irrational number unless can be evaluated to Rational number.
From A choice, you cannot evaluate the square root of 7 into any rational number. Therefore, it is an Irrational number.
B choice, even though there is a square root, but you can still evaluate from square root of 4 to 2.
For C and D, both are integers. Integers are classified to be Rational Number. Therefore, C and D both are rational.
Find the slope of the line that goes through the two points.
(6,7) (-2,11)
Answer:
-1/2
Step-by-step explanation:
The equation for slope is (y2-y1)/(x2-x1).
Plug in the values given in the problem
(11-7)/((-2)-6)
Then simplify
4/(-8)=-1/2
Elena starts her new job working at an office supply store. She works for 6 hours and makes a total of $54.
Which equation is set up correctly to determine how much Elena makes per hour (h)?
6h = 54
6, h , = 54
54h = 6
54, h , = 6
h + 6 = 54
h , + 6 = 54
54 – h = 6
PLEASE HURRY
Answer:
I believe the answer would be A.
Step-by-step explanation:
A says 6 x h is 54.
^ ^ ^
important!
6 is the number of hours.
h is how much money made per hour.
54 is the total after working 6 hours.
Evaluate the expression if x is , y is -4, and z is -0.2. x+y
Answer:
-8/5
Step-by-step explanation:
what is 6+89-34X12 CASLAN
Answer:
hjyuojhgfdsa
Step-by-step explanation:
Answer:
the answer is 313
Step-by-step explanation:
(answer asap pls) A bank of 8 floodlights together uses 1000 watts of power. How much power is used by each bolt? explain
6. The base of a triangular field is three times its height. If the cost of cultivating the field
at 36 per hectare is? 486, find its base and height (1 hectare = 10000 m²).
Answer:
base = 519.62, height = 173.21 m
Step-by-step explanation:
Let the base and height of the triangle be represented by b and h respectively.
Thus,
b = 3h
Area of a triangle = [tex]\frac{1}{2}[/tex] x base x height
For the given triangle,
area = [tex]\frac{1}{2}[/tex] x b x 3h
= [tex]\frac{3}{2}[/tex]bh
Area of the triangle = [tex]\frac{3}{2}[/tex]bh
To determine the number of hectares,
36 per hectare = 486
hectare = [tex]\frac{486}{36}[/tex]
= 13.5
numbers of hectares = 13.5
Area of the hectares = number of hectares x 10 000 m²
= 13.5 x 10 000
= 135000
Total area of the hectares = 135 000 m²
So that,
area of the hectares = area of the triangle
area of the triangle = [tex]\frac{3}{2}[/tex]bh
135 000 = [tex]\frac{3}{2}[/tex]bh
270000 = 3bh
bh = [tex]\frac{270000}{3}[/tex]
= 90000
bh = 90000
But, b = 3h
3h x h = 90000
3[tex]h^{2}[/tex] = 90000
[tex]h^{2}[/tex] = [tex]\frac{90000}{3}[/tex]
= 30000
h = [tex]\sqrt{30000}[/tex]
= 173.2051
h = 173.21 m
So that,
b = 3 x 173.2051
= 519.6153
b = 519.62
Therefore, the base of the triangle is 519.62 m, while the height is 173.21 m.
Based on the table, what is the unit rate for one gallon of gasoline?
Gasoline
Number of gallons
Price
2
$6.60
3
$9.90
4
$13.20
$3.30
$4.60
$5.60
$6.50
Answer: 3:30 per gallon
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Taylor plans to borrow $4500 from the bank to purchase a used vehicle if he borrows the money at the rate of 4% interest for two years what is the total amount we will have to pay back to the bank
Answer: $ 4860
Step-by-step explanation:
Formula : Amount = P (1+rt) , P = principal value , r= rate of interest , t= time
Given ; P= $4500 , r = 4% = 0.04 , t = 2years
Total amount we will have to pay back to the bank = [tex]4500(1+0.04\times 2)[/tex]
[tex]=4500(1+0.08)\\\\=4500(1.08)\\\\=\$ 4860[/tex]
Hence, the total amount we will have to pay back to the bank = $ 4860
what is the answer to this equation -12= -3y
y=4
Step-by-step explanation:
[tex]\tt{-12=-3y }[/tex] ⠀
[tex]\tt{ y=\dfrac{-12}{-3} }[/tex] ⠀
[tex]\tt{y=4 }[/tex] ⠀
Jason has 120 pieces of art. He puts 5% of them in an art show. How many pieces of art dose Jason put in the art show?
Answer:
6 pieces
Step-by-step explanation:
Total pieces of art = 120
He puts 5% of them in an art show
How many pieces of art dose Jason put in the art show ?
pieces of art dose Jason put in the art show = 5% of 120
= 5/100 × 120
= 0.05 × 120
= 6
Therefore, Jason put 6 pieces of art dose in the art show
help plzzz i need someone to help me with this
Answer:
I think the answer to the question is C
Answer:
A
Step-by-step explanation:
The sign means that x is smaller than 3. There is no need for the line underneath since the dot is not filled in.
The volume of a cube is 216 ft. What is the length of a side?
Answer: 6 in.
Step-by-step explanation:
Hope this helped! :)
Answer:
6 ft
Step-by-step explanation:
The cube root of 216 is 6. So 6x6x6 = 216. A cube has all equal sides resulting in the length, 6 ft.
Help please! Ty! Ratios
Answer:
Ratios to roses to lilies....6:9
Reduced.....2:3
Step-by-step explanation:
Pretty simple doesn't need explaining
What does the roller coaster gain as it goes down the hill?
A. Potential energy
B. kinetic energy
help plss
Answer:
kinetic
Step-by-step explanation:
it is using the energy
Answer: B. kinetic energy
Step-by-step explanation: i think this because kinetic energy is the spped of something for example a ball rolling down a hill is kinetic energy
Which of the following is the quotient of the rational expression 4x/2x-1 divided by 3x+2/x+5
Answer:
Step-by-step explanation:
Answer:
4x^2+20x/6x^2+x-2
Step-by-step explanation:
I'm cracked
Find the length of side BC.
Give your answer to 3 significant figures.
С
A
71°
6.3 cm
B
Answer:
19.3 cm
Step-by-step explanation:
From the question given above, the following data were obtained:
Angle B = 71°
Adjacent = 6.3 cm
Hypothenus = BC =?
The length BC can be obtained by using cosine ratio. This is illustrated below:
Cos B = Adjacent / Hypothenus
Cos 71 = 6.3 / BC
0.3256 = 6.3 / BC
Cross multiply
0.3256 × BC = 6.3
Divide both side by 0.3256
BC = 6.3 / 0.3256
BC = 19.3 cm
Thus, Lenght of side BC is 19.3 cm
5 A line passes through the point (4, 1) and has a slope of - Write an equation in slope-intercept form for this line.
Answer:
_______Y=0.75X-2_______
Identify the slope and y intercept of the following equation: y = -1/2x - 3
Answer:
Slope: -1/2
Y-Intercept: (0,-3)
Step-by-step explanation:
y=mx + b
m is the slope, b is the y-intercept
In a high school, 28% of the students are freshmen 26% are sophomores 22% are juniors and 24% are seniors then enrollment in the school is 1600 students how many freshmen’s are there than juniors
Answer:
96
Step-by-step explanation:
First we can express in numbers how many students are freshman :
(28:100)=0.28 (percent into integer)
Then we multiply this number with 1600
1600*0.28=448 (this is the number of freshman)
Now we do it again with the number of juniors
(22:100)=0.22
1600*0.22= 352
Now we only subtraction these two numbers
448-352= 96
So we now know that there is 96 more freshmens than juniors
find p if 45 :72=72 40:p
What is the solution to the inequality?
12 < 8 + x
A. X> 4
B. x < 20
C. x<4
D. x>20
Answer:
[tex]12 < 8 + x \\ 12 - 8 < x \\ 4 < x \\ \boxed{ x > 4}✓[/tex]
A. x>4 is the right answer.-5 1/2+ 6 3/4+ (-4 1/4) =
12. Which of the following is a quadratic equation?
(1) x2 + 6 = 0
(2) 28-10 = 15
(3) 2r-32 = 2
(4) r+2 =10
It's fear has a radius of 4 inches in a cube shaped box has an edge length of 7.5 inches JD says the box has greater volume so the sphere will fit in the box is he correct
Answer:
JD is wrong.
Although, the volume of the cube shaped box V' = 421.88 in³ > volume of the sphere V = 268.1 in³, the sphere cannot fit into the box because its diameter, d = 8 in > side of cube = 7.5 in.
Step-by-step explanation:
The sphere would only fit into the cube shaped box if its diameter is less than the length of side of the cube L = 7.5 inches.
So, diameter of sphere d = 2r where r = radius of sphere = 4 inches. Thus, d = 2r = 2(4 in) = 8 in.
Since the diameter of the sphere d = 8 inches > length of side of the cube = 7.5 inches, the sphere would not fit into the box.
So, JD is wrong.
We calculate both the volume of the sphere and cube.
Volume of a sphere V = 4πr³/3 where r = radius of sphere = 4 inches
So, V = 4πr³/3
= 4π(4 in)³/3
= 4π(64) in³/3
= 256π in³/3
= 804.25 in³/3
= 268.1 in³
Volume of a cube V' = L³ where L = length of side of cube = 7.5 inches
So, V' = L³
= (7.5 in)³
= 421.88 in³
Although, the volume of the cube shaped box V' = 421.88 in³ > volume of the sphere V = 268.1 in³, the sphere cannot fit into the box because its diameter, d = 8 in > side of cube = 7.5 in.
!!! HELP ME !!!
i just need the four letter code !!!
solve each box using the answer choices on the side in the picture !
Answer:
DHGB
Step-by-step explanation:
Let's start with 1.
The equation is in standard form (ax+by=c): -4x+2y=8
we'll put it into slope intercept form.
Add 4x onto both sides
2y=4x+8
divide by 2
y=2x+4
Parallel lines have the same slope, but a different y intercept. (the line parallel to this one will have a slope of 2 but a y intercept different from +4)
Looking at the answer choices, the only choice with a slope of 2 is D (y=2x-5)
So the answer to 1 is D
Now 2.
we're given 3 points. One of the points crosses the y axis, which is the y intercept. In this case, the line crosses the point (0,3)
That means the y intercept of the line is (0,3)
here's the line so far:
y=mx+3 (m is a placeholder for the slope)
when given a graph, we can use rise/run. Starting from the point (3,2), we can move 3 spaces to the left, and one up.
In a graph, if you move to the left or downwards, it's a negative move. If you move up or to the right, it's a positive move.
Since we went 1 space up (rise) and 3 spaces to the left, (run) the slope is -1/3
So the line is y=-1/3x+3
Perpendicular lines are negative and reciprocal. If you multiply their slopes, they will equal -1. Their y intercepts don't matter at all.
So to find the slope, we can use this equation.
-1/3m=-1
multiply by -3 on both sides
m=3
Looking at the answer choices, H is the only answer with a slope of 3. So the answer to 2 is H.
Now, 3
You can do the graph method like above for 2, but I'll just calculate the slope.
We're given two points, (-1,-2) and (0,2)
the formula for slope is (y2-y1)/(x2-x1)
we can label the points.
x1=-1
y1=-2
x2=0
y2=2
now, substitute into the equation.
m=(2--2)/(0--1)
m=4/1
the slope is 4.
Now let's use point slope form, which is y-y1=m(x-x1)
once again, sub. into the equation.
y+2=4(x+1)
do distributive prop
y+2=4x+4
subtract by 2
y=4x+2
As said above, parallel lines have the same slope.
Looking at the answer options, G also has the slope of 4
so the answer to 3 is G
Finally, #4
Equation: 3x+y=1
subtract 3x from both sides
y=-3x+1
As said above, perpendicular lines have slopes that multiply to equal -1.
-3m=-1
multiply by -1/3
m=1/3
so the slope of the line will be 1/3.
Looking at the answer options, B also has a slope of 1/3.
So the answer to 4 is B
The code is DHGB
Hope this helps!
Add and write your answer in scientific notation
3.2x 10^8 +4.6 x 10^8
HELPPppp!!! uhhhhhhhh......
Given:
The triangle PQR on a coordinate plane.
To find:
The image of point Q after a rotation of 90° counterclockwise about the origin.
Solution:
From the given graph, it is clear that the coordinates of point Q are (5,0).
If the figure is rotated 90° counterclockwise about the origin, then the rule of rotation is defined as
[tex](x,y)\to (-y,x)[/tex]
Using this rule, we get
[tex]Q(5,0)\to Q'(-(0),5)[/tex]
[tex]Q(5,0)\to Q'(0,5)[/tex]
So, the image of point Q is (0,5).
Therefore, the correct option is (a).
Find the prime factorization of the number.
22
The prime factorization
Answer:
Step-by-step explanation:
22 into 2 and 11
2 is already prime and 11 is already prime