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Stels [109]
3 years ago
10

What is hs the answer to this question? Y= 5x+5 Y - x=5

Mathematics
1 answer:
ANEK [815]3 years ago
3 0
Y = 5x + 5
y - x = 5

You can use substitution to solve this system. Use y's expression (5x + 5) for y in the second equation to solve for x:

y - x = 5
5x + 5 + x = 5
6x + 5 = 5
6x = 0
x = 0

Substitute your value for x into one of the original equations to y:

y = 5x + 5
y = 5(0) + 5
y = 5

Finally, substitute both values into both original equations to check your work:

5 = 5(0) + 5    -->    5 = 5    <--True
5 - 0 = 5    -->    5 = 5    <--True

Answer:
x = 0
y = 5
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Help me please!!!!!!!!!!!!!
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C. √xy\y

Step-by-step explanation:

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7 0
3 years ago
If f(x) = -4 what does f(3) equal?
tigry1 [53]
Let's solve your equation step-by-step.<span><span>
f<span>(3)</span></span>=<span>−4</span></span>
Step 1: Simplify both sides of the equation.<span><span>
3f</span>=<span>−4</span></span>
Step 2: Divide both sides by 3.<span><span><span>
3f/</span>3</span>=<span><span>−4/</span>3</span></span><span>
f=<span><span>−4/</span>3</span></span>
Answer:<span>f=<span><span>−4/</span><span>3

-Hope this helped

if you legit just meant f(3)
that would be
3f

</span></span></span>
4 0
3 years ago
5, for a = 5 and b = 6.
andrezito [222]

im neidd so 4567Answer:

Step-by-step explanation:

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Help me plz! asap. ​
JulsSmile [24]

Answer:

Step-by-step explanation:

m∠2=71° because they are vertical angles so are congruent

those 4 angles in the midle will add up to 360°

∠3+∠5=360-2*71=218 so

m∠3=218/2=109°

m∠5=109°

mostly use that the sum of angles in a Δ add to 180

m∠1=180-47-71=62°

m∠4=180-109-36=35°

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m∠7=180-47-35-29= °69

m∠8=180-42-62-36= °40

3 0
3 years ago
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