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2 years ago

14

Write and solve an equation for the scenario below: Jake made $24 this week. This was 3 less than three times the amount he made

last week. How much did Jake make last week?

1 answer:

valkas [14]2 years ago

3 0

Answer:

$72

Step-by-step explanation:

24 x 3 = 72

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What is the answer for 9/49 plus 19/21?

Schach [20]

Answer:

160/147

Step-by-step explanation:

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3 years ago

If sinA =3/5 and A+B =90 find cosB

-Dominant- [34]

$A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}$

$Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1$

Other method:

Look at the picture.

$\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5$

$\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}$

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3 years ago

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IRISSAK [1]

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7 0

3 years ago

Read 2 more answers

4) A zoologist was checking the weights of three gorillas. Gorilla A weighed 559 pounds, gorilla B weighed 827 pounds and gorill

miss Akunina [59]

Answer:

1,516 pounds

Step-by-step explanation:

Gorilla A weighed = 559 pounds Gorilla B weighed = 827 pounds Gorilla C weighed = 130 pounds

Total weight of the gorillas = gorilla A + gorilla B + gorilla C

= 559 pounds + 827 pounds + 130 pounds

= 1,516 pounds

Total weight of the gorillas = 1,516 pounds

6 0

2 years ago

What is 9 copies of 3.65

Nataly_w [17]

I believe that you are doing multiplication with this.

So… 9 x 3.65 = 32.85

Hope this helps. :)

3 0

3 years ago