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Inga [223]
2 years ago
6

Look down Also show your work "as the teacher say

Mathematics
2 answers:
oksian1 [2.3K]2 years ago
8 0

Answer:

⅓

Step-by-step explanation:

9:20

15/100: x

CROSS MULTIPLY TO GET

9x= (20 x 15/100 which is equal to 3)

Then get rid of the nine on the other side to get 3/9 which simplifies to ⅓

dimulka [17.4K]2 years ago
6 0
Good Job
And always keep your eyes on ur own paper
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on monday sheila sold 20 apples, on tuesday she sold 12 apples, on wednesday she sold 20 apples, and on thursday she sold 28 app
zimovet [89]

1, she picks about 20+12+(20+28)=32+48=80.

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3 years ago
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2.5/6 = h/9 h=? What does this mean
omeli [17]

Answer:

h = 3.75

Step-by-step explanation:

Step 1: Write equation

2.5/6 = h/9

Step 2: Solve for <em>h</em>

  1. Cross multiply: 22.5 = 6h
  2. Divide both sides by 6: 3.75 = h
  3. Rewrite: h = 3.75

Step 3: Check

<em>Plug in h to verify it's a solution.</em>

2.5/6 = 3.75/9

0.416667 = 0.416667

5 0
3 years ago
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What is the surface area of a cone that has a radius of 8 feet and a slant height of 12 feet? (Use 3.14 for π.)
kodGreya [7K]

Answer:

Surface area of cone is 502.4\ ft^2

Step-by-step explanation:

Given:

radius of a cone (r) = 8 feet

slant height of cone (l) = 12 feet

We need to find the surface area of cone.

Total surface area of cone = Area of circle + Area of curved surface

Now we know that,

Area of circle = \pi r^2

Area of curved surface = \pi rl

Hence Total surface area of cone = \pi r^2+\pi rl=\pi r(r+l) = 3.14 \times 8 (8+12)=3.14\times8\times20= 502.4 \ ft^2

Surface area of cone is 502.4\ ft^2.

4 0
3 years ago
Simplify: square root of 81+18<img src="https://tex.z-dn.net/?f=%5Csqrt%7B7%7D" id="TexFormula1" title="\sqrt{7}" alt="\sqrt{7}"
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\sqrt{81 \:  +  \: 18 \sqrt{7}  \:  +  \: 7}

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\sqrt{(9 \:  +  \:  \sqrt{7} ) ^{2} }

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\boxed{ \bold{9 \:  +  \:  \sqrt{7} }}

<h3><em><u>MissSpanish</u></em> </h3>
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There are 10 rooms per floor if there are 30 floors then there are 300 rooms
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