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Luba_88 [7]
3 years ago
13

PLEASE HELP!!! Jake cleaned up his room. He organized his toys into boxes. He put 7 toys in each of 3 bins.If t represents the t

otal number of toys, write and expression that shows how many toys he put away....PLEASE HELP!!
Mathematics
2 answers:
timama [110]3 years ago
7 0
Ok well.. 
7 (3) = x 
meaning 7 times 3= 21 toys altogether! :)
hjlf3 years ago
3 0
7(3)= 21 so 21 all together
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In her first 20 games, Jennie served 4 aces. If she continues to serve aces at this rate, how many aces will she have after 160
Talja [164]

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32 aces

Step-by-step explanation:

4/20= x/160

once you set up this proportion you can cross multiple to get:

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2 years ago
David scored 1/2 of Lee's result. David scored 45%. What could be Lee's result be in percentage.​
densk [106]

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Step-by-step explanation:

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3 0
3 years ago
PLEASE HELP WITH THE PROBLEM ON THE ATTACHED FILE
prisoha [69]

Answer:

6 : 1

Step-by-step explanation:

b - 3a / 9 = a /3

Cross multiply

3(b - 3a) = 9a

Expand

3b - 9a = 9a

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6 0
2 years ago
Write the expression as the sine, cosine, or tangent of an angle. sin 5x cos x - cos 5x sin x
mrs_skeptik [129]

Answer:

sin 5x cos x - cos 5x sin x = sin(4x)

Step-by-step explanation:

Given that the trigonometric expression,

sin 5x cos x - cos 5x sin x

Here we use the "sum and difference formulas"

Sum and Difference Formulas

sin(A+B)=sin A cos B + cos A sin B

sin(A-B)=sin A cos B - cos A sin B

cos(A+B)=cos A cos B - sin A sin B

cos(A-B)=cos A cos B + sin A sin B

So,

sin 5x cos x - cos 5x sin x = sin (5x - x)

sin 5x cos x - cos 5x sin x =  sin(4x)

That's the final answer.

6 0
3 years ago
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