3 years ago

PLS I HAVE TO SUBMIT TODAY PLSSSSS

Mathematics

1 answer:

anzhelika [568]3 years ago

6 0

I can’t seee the words

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Is sqrt(1 - sin^2 θ) = cos θ true? if so, in which quadrants does angle θ terminate?

jonny [76]

Answer:

I and IV

Step-by-step explanation:

Since 1-sin(θ)² = cos(θ)², the given equation is equivalent to ...

√(cos(θ)²) = |cos(θ)| = cos(θ)

This will be true where the cosine is non-negative, in the first and fourth quadrants.

7 0

3 years ago

X/-9 + n/-7 = 9<br> solve for x

Andrews [41]

9514 1404 393

Answer:

x = -(9/7)n -81

Step-by-step explanation:

Subtract the n term.

x/-9 = 9 -n/-7

Multiply by -9.

x = -81 -(9/7)n

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2 years ago

Simplify this expression -6w + (-8) + 1+ (-7w)

Rzqust [24]

Answer:

$\boxed{-6w+(-8)+1+(-7w)=-13w-7}$

Step-by-step explanation:

The given expression is $-6w+(-8)+1+(-7w)$ .

This expression is the same as;

$-6w+-8+1+-7w$ .

$-6w-8+1-7w$ .

We regroup the terms to obtain;

$-6w-7w-8+1$

We simplify to get

$-13w-7$

3 0

3 years ago

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Boadu and Ansah formed a company and agreed that their annual profit will be shared in the ratio 4:5 respectively. If at the end

MArishka [77]

Answer:

Step-by-step explanation:

5 0

3 years ago

PLEASE HELP ME ASAP

Artemon [7]

Answer:

x<-6

Step-by-step explanation:

3 0

3 years ago