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steposvetlana [31]
3 years ago
10

Choose the expression that is equivalent to the one shown.

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
7 0

Answer:

I'm pretty sure it's the last one

Step-by-step explanation:

both equal -55 when I use my calculator

SSSSS [86.1K]3 years ago
4 0

Answer: -25 - 30

Step-by-step explanation: mark as brainly plsss

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Which model shows two equal expressions when c= 4?
lapo4ka [179]

Answer:

the third answer

Step-by-step explanation:

c = 4

c + 1 = 1 + 1 + 1 + 1 + 1

4 + 1 = 1 + 1 + 1 + 1 + 1

5 = 5

3 0
3 years ago
PLEASE HELP DUE SOON!!!!!<br><br><br> type an equation for the following pattern
const2013 [10]

Answer:

28?

Step-by-step explanation:

4 0
4 years ago
Solve the system by substitution.
Iteru [2.4K]

Answer:

I gave you most of the answer. I'll let you check my work and find the point using the solution.

Step-by-step explanation:

The first thing we do is we divide by negative one in the first equation to get

y = -x.

-3x + 3y = -36

Plug in y = -x and get

-3x + 3(-x) = -36

= -3x - 3x = -36

This equals -6x = -36

divide both sides by -6 and you get 6. 6 is your x value

Plug 6 back in to the second equation.

-3x + 3y = -36

-3(6) + 3y = -36

-18 + 3y = -36

3y = -18

y = -6

3 0
3 years ago
1. Mark and Bill have a combined weight of 170
qwelly [4]
<h3>Equation : x + y = 170 and y = 2x - 40</h3><h3>The weight of Bill is 70 pounds and weight of mark is 100 pounds</h3>

<em><u>Solution:</u></em>

Let the weight of Bill be "x"

Let the weight of mark be "y"

Given that,

Mark and Bill have a combined weight of 170  pounds

Therefore,

x + y = 170 ------- eqn 1

Mark weighs 40 pounds less than twice Bill's  weight

y = 2x - 40 ------- eqn 2

<em><u>Substitute eqn 2 in eqn 1</u></em>

x + 2x - 40 = 170

3x = 170 + 40

3x = 210

x = 70

<em><u>Substitute x = 70 in eqn 2</u></em>

y = 2(70) - 40

y = 140 - 40

y = 100

Thus weight of Bill is 70 pounds and weight of mark is 100 pounds

6 0
3 years ago
Graph the function f(x) = x – 4.<br> Use the line tool and select two points to graph.
Arte-miy333 [17]
You should plug this into a graphing calculator on your computer! It helps a lot!
7 0
3 years ago
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