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Dominik [7]
3 years ago
5

Given that X = - 2 and y = 4 , Evaluate the expression. 5y – 4x

Mathematics
1 answer:
Kipish [7]3 years ago
4 0

Answer: 28

Step-by-step explanation: 5(4)-4(-2) which is 20+8 and that is 28.

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Emily spent $55 from her savings on a new dress. explain how to descibe the change Emily's savings balance in 2 different ways
Step2247 [10]
S= savings before she bought the dress   s - $55 would be her new balance after she bought the dress.

We could also talk about her savings now (after her purchase).   If we let n=now
n + $55 would be her balance before she bought the dress.
8 0
3 years ago
Consider the linear equation 2x - 3y = -12 graph the points
levacccp [35]

The graph of linear equation 2x - 3y = -12 is as shown below.

I this question, we have been given a linear equation 2x - 3y = -12

We need to graph the points.

For x = 1,

2(1) - 3y = -12

2 - 3y = -12

-3y = -14

y = 14/3

For x = 0,

2(0) - 3y = -12

y = (-12)/(-3)

y = 4

For x = -1,

2(-1) - 3y = -12

-3y = -12 + 2

y = (-10) / (-3)

y = 10/3

So, we get coordinates (1, 14/3), (0, 4) and (-1, 10/3)

Now we plot these points.

The graph of linear equation 2x - 3y = -12 is as shown below.

Learn more about the linear equation here:

brainly.com/question/23832475

#SPJ1

4 0
1 year ago
Match the numerical model to the corresponding graphical and algebraic models.
nikitadnepr [17]

Answer:

I'd say d but if you worry choose to be then go with B

8 0
2 years ago
3(x-4) = x + 14<br> How do you solve this equation
Dmitry_Shevchenko [17]

Answer:

x=13

Step-by-step explanation:

you have to isolate the variable

3(x-4)=x+14

distribute

3x-12=x+14

subtract 14 from each side

3x-26=x

subtract 3x from each side

-26=-2x

divide each side by -2

13=x

flip sides

x=13

hope this helps!!! :)

4 0
3 years ago
Read 2 more answers
The first three steps in writing f(x) = 40x + 5x2 in vertex form are shown. What is the function written in vertex form?
pychu [463]
F(x) = 5(x + 4) – 80
f(x) = 5(x + 8) – 80
f(x) = 5(x + 4)2 – 80
f(x) = 5(x + 8)2 – 80
4 0
3 years ago
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