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riadik2000 [5.3K]
3 years ago
8

Item 15

Mathematics
1 answer:
Elenna [48]3 years ago
7 0

Answer:

d

Step-by-step explanation:

i read though actually easy

You might be interested in
Simplify<br><br> 1/2 + 2/5<br><br> A) 1/10<br> B) 2/7 <br> C) 3/7<br> D) 9/10
Luda [366]

Answer:

  • D) 9/10

Step-by-step explanation:

<u>Add up as fractions:</u>

  • 1/2 + 2/5 =               Common denominator is 2*5 = 10
  • 5/10 + 4/10 =
  • 9/10

Option D

6 0
2 years ago
Helen wrote the following facts to try to show that division by 0 results in 0. Explain her error.
earnstyle [38]

Helen should of put 0 first, because if you're gonna divide, you need to put the product first, then one of the factoes.

So instead it should be 0÷(-7)=0

3 0
3 years ago
In ΔOPQ, PQ = 17, QO = 9, and OP = 15. Which statement about the angles of ΔOPQ must be true?
77julia77 [94]

Answer:

All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

Step-by-step explanation:

Given - In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

To find - Which statement about the angles of ΔOPQ must be true?

Proof -

As given,

In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

As all the sides of the given triangle is different, So the given triangle is a Scalene triangle.

Now,

We know that , In Scalene triangle -

All sides are different.

All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

6 0
3 years ago
What is the volume of a sphere with a radius of 3 m, rounded to the nearest tenth
expeople1 [14]
<h3><u>Given</u>:-</h3>

\rightarrowRadius(r) of sphere = 3m

<h3><u>To Find</u>:-</h3>

\rightarrow Volume of the sphere.

<h3><u>Formula Used</u>:-</h3>

\rightarrowVolume of sphere = \sf{\frac{4}{3}πr^3}

<h3><u>Solution</u>:-</h3>

\rightarrowVolume of sphere = \sf{\frac{4}{3}πr^3}(putting the value of r(radius) from the above given and pie(π) = \sf{\frac{22}{7}})

\rightarrow\sf{=\frac{4}{3}×\frac{22}{7}×3^3}

\rightarrow\sf{=\frac{4}{3}×\frac{22}{7}×27}

\rightarrow\sf{=\frac{2,376}{21}}

\rightarrow\sf{=113.14m^3}

Therefore, the volume of the sphere \sf{=113.14m^3}, which can be rounded off to it's nearest tenth as \sf{113.1m^3}

____________________________________

Hope it helps you:)

3 0
2 years ago
Simplify the expression:<br> 2d=1x+5b+1x=6p
Ilya [14]

Answer:

2d = 2x + 5b = 6p

Step-by-step explanation:

2d = 1x + 5b + 1x = 6p

2d = 2x + 5b = 6p

5 0
2 years ago
Read 2 more answers
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