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kirill [66]
2 years ago
13

14. What is the missing term in the proportion

Mathematics
2 answers:
goldenfox [79]2 years ago
8 0

Answer:

A.12

Step-by-step explanation:

Veseljchak [2.6K]2 years ago
4 0

Answer:

A.12

Step-by-step explanation:

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27 / 6588 = 0.00409836065
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At what values of x, does f(x) = 0?
Alex

Answer:

C. 4,   D. 2,   A. -1

Step-by-step explanation:

On the graph, the points at 0 are 4, 2,  and -1.

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2 years ago
The triangle and the trapezoid have the same area. Base b2 is twice the length of base b1. What are the lenghts of the bases of
Sati [7]

Answer:

<h2>The lengths of the bases of the trapezoid:</h2><h2>42/h cm and 84/h cm.</h2>

Step-by-step explanation:

The formula of an area of a triangle:

A=\dfrac{bh}{2}

<em>b</em><em> </em>- base

<em>h</em> - height

We have <em>b = 21cm, h = 6cm</em>.

Substitute:

A=\dfrac{(21)(6)}{2}=63\ cm^2

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

<em>b₁, b₂</em> - bases

<em>h</em><em> - </em>height

We have <em>b₁ = 2b₂</em>, therefore <em>b₁ + b₂ = 2b₂ + b₂ = 3b₂</em>.

The area of a triangle and the area of a trapezoid are the same.

Therefore

\dfrac{3b_2}{2}\cdot h=63         <em>multiply both sides by 2</em>

3b_2h=126          <em>divide both sides by 3</em>

b_2h=42         <em>divide both sides by h</em>

b_2=\dfrac{42}{h}

b_1=2b_2\to b_1=2\cdot\dfrac{42}{h}=\dfrac{84}{h}

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2 years ago
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What time is number 12? Please help
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Answer:

I say its number 2

Step-by-step explanation:

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Susan saw a recipe for a fruit salad she thought was fantastic for her upcoming get together of 20 people. It called for 1/2c of
natta225 [31]

Answer:

i would take 2c/ four servings of pineapples to serve all six people

Step-by-step explanation:

7 0
3 years ago
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