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2 years ago

Can someone help me with this plz I don’t know how to complete the ratio chart

Mathematics

1 answer:

murzikaleks [220]2 years ago

4 0

Get the denominator down to a one

15 ÷ 10
__

10 ÷ 10.

the unit rate is 1.5 / 1

the multipy to get the right denominator.

1.5 × 120 = 180
_________ ____
1 × 120 = 120

1.5. 15. 180. 135. 45
___ ____ ___ ____ ____
1. 10. 120. 90. 30

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Oduvanchick [21]

Answer:

Step-by-step explanation:

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2 years ago

Hellppppp me its so confusing ????!!!!

melomori [17]

I'm not sure but
A) 3 out of 20
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3 0

2 years ago

This soda can is going to be made from aluminum. How many square centimeters of aluminum are needed if the radius r = 3.5 cm and

kari74 [83]

208.81 square centimeters of aluminium are needed

Solution:

Given that,

Radius = 3.5 cm

Height = 6 cm

We have to find the square centimeters of aluminum needed

So we have to find the surface area of cylinder

The surface area of cylinder is given by formula:

$A = 2 \pi r(h+r)$

Where "r" is the radius and "h" is the height of cylinder

Substituting the values we get,

$A = 2 \times 3.14 \times 3.5 \times (6+3.5)\\\\A = 21.98 \times 9.5\\\\A = 208.81$

Thus 208.81 square centimeters of aluminium are needed

8 0

2 years ago

Which of the following are closest to 5?

Klio2033 [76]

Answer:

maybe c?

Step-by-step explanation:

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6 0

2 years ago

If i have a forest composed of 25 species of trees, each with a known abundances, how many events are there in the sample space

Vsevolod [243]

There are 25 species of trees, each with a known abundances. The question is how many possible ways to randomly select one tree there are.
We should calculate the number of combinations. Combinations, because we select item/s from a collection. In this case, when we select only one item, the combination is also a permutation. From set of n objects we select r. In our case: n=25, r=1.
The equation is: n!/r!(n-r)!= 25!/1!*24!=25*24!/24!=25
There are 25 different outcomes (events).

3 0

2 years ago