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QveST [7]
3 years ago
14

Please help me i dont understand?

Mathematics
1 answer:
Maru [420]3 years ago
6 0

                                          <u>Answer and Explanation</u>

<em><u>__________________________________________________________</u></em>

<em>Number 1. </em>6\ \frac{7}{8}+5\ \frac{1}{4} = 12.125 = 12\ \frac{1}{8}

<em>__________________________________________________________</em>

<em>Number 2. </em>3\ \frac{1}{7}+8\ \frac{1}{9} = 11.253968254 = 11\ \frac{16}{63}

<em>__________________________________________________________</em>

<em>Number 3. </em>12\ \frac{1}{5}-5\ \frac{5}{6} = 6.36666666667 = 6\ \frac{11}{30}

<em>__________________________________________________________</em>

<em>Number 4. </em>\frac{9}{10}+\frac{3}{5} = 1.5 = 1\ \frac{1}{2}

<em>__________________________________________________________</em>

<em>Number 5. </em>7\ \frac{2}{3}-3\ \frac{1}{7} = 4.52380952381 = 4\ \frac{11}{21}

<em>__________________________________________________________</em>

<em>Number 6. </em>9\ \frac{7}{8}-2\ \frac{5}{6} = 7.04166666667 = 7\ \frac{1}{24}

<em>__________________________________________________________</em>

<em>Number 7. </em>4\ \frac{1}{2}+2\ \frac{3}{8} = 6.875 = 6\ \frac{7}{8}

<em>__________________________________________________________</em>

<em>Hope this helps! <3</em>

<em>__________________________________________________________</em>

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Help will mark Brainly
o-na [289]

Answer:

V ≈ 8.67x10^7 ft^3

Step-by-step explanation:

We know that the volume of a pyramid is V= (lwh)/3

Since it is a square pyramid, it means that the length and the width are the same:

Length=755.9 feet

Width=755.9 feet

Height=455.4 feet

So, the volume is :

V = [(755.9)(755.9)(455.4)]/3

V = 86736214.158 ft^3

V ≈ 8.67x10^7 ft^3

Hope this helps!

Mark brainliest if u think I helped! Would really appreciate!

6 0
3 years ago
The volume of a soap bubble is 555.4 mm^2 Find the radius and diameter of the soap bubble. Use 3.14 for pi
SashulF [63]

Answer:

radius=11.5

diameter=23

Step-by-step explanation:

The volume of a sphere is V=4/3 Pi r^3

We can use this to solve for the radius.

555.4= 4/3 (3.14)r^3

Solve for r how you would any other equation. Multiply 4/3 and 3.14.

555.4=4.187 r^3

Divide both sides by 4.187

132.65=r^3

To get rid of the ^3, find the cube root of both sides on a calcualtor.

r= 11.5

The diameter is the radius time two.

11.5 (2)=23.

Hope this helps!

Note: When I say both sides, I mean both sides of the = sign.

4 0
3 years ago
1 and 2 please and explain
baherus [9]
I'm sorry I don't know but you can use photomath you can just download it from the App
3 0
4 years ago
K: Marcus has 8 pairs of jeans, 4 pairs of black
jasenka [17]

Answer:

19 bottoms to wear

Step-by-step explanation:

1. 8+4+2+5

2.8+4+2+5= 19 bottoms

3. if i did something wrong or didnt catch something tell me

4 0
3 years ago
Help#3 plus plus plus need this
gayaneshka [121]
Wouldn't it be -54. Because when you subtract 5-59 you get a negative number... IT WOULD BE FREEZING THERE!!! I HOPE THIS HELPED
3 0
4 years ago
Read 2 more answers
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