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andrew-mc [135]
3 years ago
11

Translate to a system of equations and solve.

Mathematics
2 answers:
hoa [83]3 years ago
5 0

Step-by-step explanation:

sksjjd

ksjshdjdeiejo

luda_lava [24]3 years ago
5 0

Answer:

12 and 15

Step-by-step explanation:

Let the numbers be called x and y.  We know from the first sentence that:

x + y = 27.

From the second sentence we know that x + 3 = y. (In this problem it does not matter which is x and which is y.)

Substituting in x + 3 into the first equation, we have

x + x + 3 = 27

2x + 3 = 27

2x + 3 - 3 = 27 - 3

2x = 24

x = 12

y = x+ 3 = 15

Check: does x + y = 27?  Yes, 12 + 15 = 27

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What is an equation of the line that passes through the point (-1, 4) and is parallel
vesna_86 [32]

Answer:

The answer is

<h2>y + 2x = 2</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

The original line is 2x + y = 1

We must first write the equation in the general form above

That's

y = - 2x + 1

Comparing with the general equation above

Slope = - 2

Since the lines are parallel their slope are also the same

Slope of parallel line = - 2

So the equation of the line using point

( - 1 , 4) and slope - 2 is

<h3>y - 4 =  - 2(x + 1) \\ y - 4 =  - 2x - 2 \\ y + 2x =  - 2 + 4</h3>

We have the final answer as

<h3>y + 2x = 2</h3>

Hope this helps you

3 0
3 years ago
If Olga was G years old two years ago, how old is she now? How old will she be in five years?
balandron [24]

Answer:

G+2 present age of Olga

and (G+2)+5 her age in five years.

hope it helps.

8 0
3 years ago
Lily says that 4x7,000 has the same product as 7x4,000.Is she correct? Explain using the associative property of multiplication
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Graph the line 2x + y = 7.
OLga [1]

Answer:f

Step-by-step explanation:

5 0
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8x(12+7-9)-(4+10) what’s the answer
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Equation- 8x(12+7-9)-(4+10)

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6 0
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