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Gnesinka [82]
3 years ago
15

Help me please i dont understand :(

Mathematics
1 answer:
joja [24]3 years ago
7 0

Answer:

X=-1

Step-by-step explanation:

-5x+1=6

change the signs

5x-1=-6

add 1 to - 6

5x = -5

divide both sides by 5

X=-1

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3 years ago
Using the diagram on the right, find the length of GT and TA.
Art [367]

Answer:

GT=10\ units  and TA=6\ units

Step-by-step explanation:

we know that

In the diagram

Triangles GRT and GEA are similar by AA Similarity Postulate

Remember that

If two figures are similar, then the ratio of its corresponding sides is proportional

so

\frac{GR}{GE}=\frac{GT}{GA}

we have

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substitute

\frac{5}{8}=\frac{16-x}{16}\\ \\5*16=8*(16-x)\\ \\80=128-8x\\ \\8x=128-80\\ \\x=48/8\\ \\x=6\ units

therefore

GT=16-x=16-6=10\ units

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5 0
3 years ago
2x-3y=8 solve for y I don't understand this at all can someone please help??
suter [353]
You can't find the exact value of y, but you can find y in terms of x!

Adding 3y and subtracting 8 from both sides, we have:

2x-3y+3y-8=8+3y-8

2x-8=3y

Dividing by 3, we see that y=(2x-8)/3.  This is the simplest form we can find for y.
3 0
3 years ago
There are 2112 people in a concert.
nadya68 [22]

Answer:

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if 25% of the children are girls then 75% are boys

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7 0
3 years ago
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