3 years ago

Please help!!!!!!!!!!

1 answer:

5 0

Answer:

Step-by-step explanation:

the best answer may be D because 9/3 =3 3×5=15

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andrey2020 [161]

Answer:

Step-by-step explanation:

Positive: -1/-3, -2/-2, +2/+3, -1/+3

the rest of them are negative

3 0

3 years ago

Brums [2.3K]

Let the width = x
=>length = 2x-1

91= x(2x-1)=2x^2-x
2x^2-x-91=0
=(2x+13)(x-7)
=> x=-13/2=> no
=>x= 7 cm

7 0

3 years ago

lord [1]

I believe it 270.48 miles.

6 0

3 years ago

lyudmila [28]

The first equation has a solution of X=-5

3 0

3 years ago

Natasha_Volkova [10]

Answer:

$\sin(\frac{\pi}{7}+x)$

Step-by-step explanation:

We are going to use the identity

$\sin(a+b)=\sin(a)\cos(b)+\cos(a)\sin(b)$

because this identities right hand side matches your expression where

$a=\frac{\pi}{7}$ and $b=x$ .

So we have that $\sin(\frac{\pi}{7})\cos(x)+\cos(\frac{\pi}{7})\sin(x)$ is equal to $\sin(\frac{\pi}{7}+x)$ .

5 0

4 years ago

Please help!!!!!!!!!!​