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Marta_Voda [28]

3 years ago

12

Ana has 296 coins in her coin collection. She put the same number of coins in each of 7 jars. About how many coins are in each j

ar

1 answer:

Grace [21]3 years ago

7 0

Well you have to divide 296 by 7 and when you do that you get 42.28, that is your answer.

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Simplify the expression 11+2/3(15-21a)

Delvig [45]

Answer:

21-14a

Step-by-step explanation:

You have to distribute the (2/3) into the (15-21a) then add it to the 11. So after distributing the (2/3) into the (15-21a) is (10-14a). Then add that to the 11

7 0

3 years ago

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∠A and \angle B∠B are complementary angles. If m\angle A=(6x+3)^{\circ}∠A=(6x+3)

Wewaii [24]

Answer:

Step-by-step explanation:

The angles are complimentary, so they add to 90

6x + 3 + 7x + 9 = 90 Combine like terms

13x + 12 = 90 Subtract 12 from both sides

13x = 90 - 12 Combine

13x = 78 Divide both sides by 13

x = 6

<A = 6x + 3

<A = 6*6 + 3

<A = 36 + 3

<A = 39

8 0

2 years ago

What is the cube root of 159?

pochemuha

It's an irrational number, so you can get as close as you need to, but
you can't write it exactly with numbers. As a decimal, it never ends.

-- The number <em>5.4175</em> is within 0.00003% of the actual value.

-- (5.4175)³ is less than 0.000084% smaller than 159 .

3 0

3 years ago

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4x - 2y = 6<br> y = - 2x - 1<br> what is the value of x+ y

Elenna [48]

4x-2y=6 (3/2+y/2
Y=-2x-1

4 0

3 years ago

An 11-m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 14 m. Find the lengt

Arte-miy333 [17]

Answer:

8.66 m

Step-by-step explanation:

Given that,

The distance from the top of the building to the tip of the shadow is 14 m

The height of the building is 11 m.

We need to find the length of the shadow. we can see that the length of the shadow forms the base of the triangle.

The distance from the top of the building to the tip of the shadow form hypotensue and height of the building forms perpendicular. So, we can use Pythagoras theorem to find the base.

So,

$H^2=b^2+h^2\\\\b^2=H^2-h^2\\\\b=\sqrt{14^{2}-11^{2}}\\\\b=8.66\ m$

So, the length of the shadow is 8.66 m.

7 0

3 years ago