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1 year ago

11

(4x²+9x-7)+6(x²-10x+3)

1 answer:

polet [3.4K]1 year ago

8 0

Answer:

1Step-by-step explanation:

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What is 420/1000 in simplest form

balandron [24]

The answer would be 21/50. If you have numbers with a few zeros you can cross one of the top amd bottom until you reach the other numbers, if that makes sense. You can changd 420/1000 to 42/100. Then just keep dividing it by a numner that goes evenly into both the numerator and denominator.

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2 years ago

Write the product in its simplest form<br>-3y.3y4<br>Enter the correct answer.

Sauron [17]

Answer:

$\large\boxed{-9y^5}$

Step-by-step explanation:

$-3y\cdot3y^4=(-3\cdot3)(y\cdot y^4)\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=-9y^{1+4}=-9y^5$

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2 years ago

Evaluate the expression if a= -5 and b=-2.<br> a + 3b<br> A:4<br> B:1<br> C:11<br> D: -11

yuradex [85]

Answer:

D.-11

Step-by-step explanation:

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2 years ago

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Write the following in standard form: (x-4)^2 = 49

Korolek [52]

Answer:

I have made it in picture hope it helps

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2 years ago

Determine the measure of ∠Q, rounded to the nearest tenth of a degree.<br> images attached.

const2013 [10]

Answer:

D

Step-by-step explanation:

Using the Sine rule in Δ QRS , that is

$\frac{q}{sinQ}$ = $\frac{r}{sinR}$ , that is

$\frac{15}{sinQ}$ = $\frac{12}{sin50.1}$ ( cross- multiply )

12× sinQ = 15 × sin50.1° ( divide both sides by 12 )

sinQ = $\frac{15sin50.1}{12}$ , thus

Q = $sin^{-1}$ ( $\frac{15sin50.1}{12}$ ) ≈ 73.5° ( to the nearest tenth )

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3 years ago