3 years ago

Which choice shows that “What was the purpose of the Inca’s strange strings?” Is a persuasive text?

Mathematics

1 answer:

podryga [215]3 years ago

6 0

Answer:

Step-by-step explanation:

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Expand 4(-2y+ 3).<br> 2y+7<br> 0:-8 y + 12<br> 2 y + 12<br> -8 y+ 3

stepan [7]

It is -8y+12
You have to multiply 4 by -2 which equals -8
Then you do 4x3 which equals 12

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3 years ago

I need to know the amount of Iodine -131 remaining after 72 days

jenyasd209 [6]

Answer:

131 remaining after 72 days

Step-by-step explanation:

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3 years ago

Factor 2a^5b + 2a^4b^2 + 2a^3b^3.

geniusboy [140]

$2a^5b + 2a^4b^2 + 2a^3b^3=2a^3b\cdot a^2+2a^3b\cdot ab+2a^3b\cdot b^2\\\\=\boxed{2a^3b(a^2+ab+b^2)}$

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4 years ago

(5x-1) -(2-8x) for x = 0.75

Eva8 [605]

6.75 is the answer to your question

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2 years ago

What is the value of sin(t) if cos(t)=0.1, and t is in quadrant 1

Marizza181 [45]

Answer:

$sin(t)=\frac{\sqrt{99}}{10}$

Step-by-step explanation:

Remember that

If angle t belong to the First Quadrant

then

The value of sin(t) and cos(t) are positive values

we know that

$sin^2(t)+cos^2(t)=1$ ---> by trigonometric identity

we have

$cos(t)=0.1=\frac{1}{10}$

substitute

$sin^2(t)+(\frac{1}{10})^2=1$

$sin^2(t)+\frac{1}{100}=1$

$sin^2(t)=1-\frac{1}{100}$

$sin^2(t)=\frac{99}{100}$

$sin(t)=\frac{\sqrt{99}}{10}$

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4 years ago