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FrozenT [24]
3 years ago
7

Please please help!!!!

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0

Answer:

4.75

Step-by-step explanation:

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A total of 75 cookies and cakes were donated for a bake sale to raise money for the football team. There were four times as many
MArishka [77]

Answer:

60

Step-by-step explanation:

15*4 = 60

15+60= 75

6 0
3 years ago
Read 2 more answers
Will mark brainliest!!!
gizmo_the_mogwai [7]
First, simplify the equation to slope intercept form to find the slope;

2x+3y=4
3y=4-2x
y=(-2x+4)/3

The slopes of parallel lines are the same, therefore, the slope of the second line would also be -2/3

Write out the slope intercept form with the information we know and input the coordinates of the point;

y=mx+c
-4=(-2/3)(1)+c
-4+(2/3)=c
(-12/3)+(2/3)=c
-10/3=c

Therefore, the final equation is y=-2/3x-10/3

Hope I helped :)
7 0
4 years ago
Using the slope and the y-intercept, graph the line represented by the following equation. Then select the correct graph.
dangina [55]

Answer:

Step-by-step explanation:

y=2x+4

slope=2

y- intercept=4

slope=\frac{rise}{run}\\2=\frac{4}{run}\\run=\frac{4}{2}=2\\

so draw a line through (0,2) and (2,8)

7 0
3 years ago
Factor: 28k^3-24k^2+49k-42<br><br> I will give Brainliest to the first person :)
serious [3.7K]

Answer:

(4k^2+7)(7k+6)

Step-by-step explanation:

1. group the first two terms (28k^3-24k^2). The greatest common factor is 4k^2. If you factor that out you get 4k^2(7k-6)

2.When you group the last two terms (49k-42). you can factor out a 7.

7(7k-6).

3. There is a (7k-6) in both sections so you can combine all the terms.

4k^2(7k-6) 7(7k-6) becomes (4k^2)(7k-6)

7 0
3 years ago
The surface area of a ball is 576 pi square millimeters. What is the ball’s radius? Recall the formula S A = 4 pi r squared. 12
Nuetrik [128]

Answer:

r = 12 millimeters

Step-by-step explanation:

Surface area of a ball = 4πr²

Surface area of a ball = 576 pi square millimeters

Surface area of a ball = 4πr²

576π = 4πr²

r² = 576π / 4π

r² = 144

Find the square root of both sides

√r² = √144

r = 12

r = 12 millimeters

3 0
3 years ago
Read 2 more answers
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