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satela [25.4K]
2 years ago
10

Plz help! I’m super confused! Thank you!

Mathematics
1 answer:
GREYUIT [131]2 years ago
7 0

Answer:

Step-by-step explanation:

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1. (2,7); m=-4<br> What’s the answer?
Nataly_w [17]

Answer:

4x + y = 15 or y = -4x + 15

Step-by-step explanation:

7 = 2[-4] + b

-8

15 = b

y = -4x + 15

If you want it in <em>Standard </em><em>Form</em>:

y = -4x + 15

+4x +4x

___________

4x + y = 15 >> Line in <em>Standard Form</em>

I am joyous to assist you anytime.

4 0
3 years ago
The book costs $49.95 with 3% sales tax. What is the total cost?
VladimirAG [237]

Answer:

74.8

Step-by-step explanation:

hope im right!

8 0
2 years ago
Write a linear function f with the values f(0)=−3 and f(7)=11.
kotegsom [21]

Answer:  f(x)= 2x -3

Step-by-step explanation:

Using the given information we can come up with two points that will be use to find the slope and y-intercept.  

If you input 0 you get -3  so the point will be (0,-3)

If you input 7  you get 11  so the point will be (7,11)

Now use the points to find the difference in their y coordinates and divide it by the difference in their x coordinates to find the slope.

y coordinates:  -3 - 11 = -14

x coordinates:  0 - 7 = -7

  -14/-7 = 2

Since the slope is two, we will use the slope intercept formula (y = mx +b) to find the b which is the y intercept.

Use one of the points and input its x and y coordinates into the formula including the slope to solve for b.

-3= 2(0) +b

-3 = 0 + b

b = -3  

f(x) is the same as y in the formula, meaning that the equation will be  

 f(x) = 2x -3

8 0
3 years ago
ann has 5 brand new CD’s, which is 3 less than twice the that bob (x) has. translate the situation into an algebraic equation
Nataliya [291]

Ann = 3 CD's

Ann = 2x-3

5 = 2x-3

x= CD's bob has

5 = 2x-3 is the equation

to solve

add 3 to each side

8 = 2x

divide by 2

x =4

bob has 4 CD's, ann has 5

6 0
3 years ago
Whats 3/5 divided by2. I need help on bell work
jasenka [17]
\frac{3}{5}÷2=\frac{3}{10}
5 0
3 years ago
Read 2 more answers
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