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emmasim [6.3K]
2 years ago
7

HELP MARK BRAINLY what's the surface area of this figure

Mathematics
1 answer:
Irina-Kira [14]2 years ago
5 0

Answer:

I THINK ITS 400 TRY IT OUT:)

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These triangles are similar. find Y and X
CaHeK987 [17]

It these triangles are similar, then the sides of the triangles are in proportion:

\dfrac{y}{10}=\dfrac{y+4}{15}      <em>cross multiply</em>

15y=10(y+4)    <em>use distributive property</em>

15y=10y+40       <em>subtract 10y from both sides</em>

5y=40           <em>divide both sides by 5</em>

\boxed{y=8}


\dfrac{x}{4}=\dfrac{6}{8}            <em>cross multiply</em>

8x=(4)(6)

8x=24           <em>divide both sides by 8</em>

\boxed{x=3}

3 0
3 years ago
Help with number 6 please?
Bad White [126]

Answer:

64

Step-by-step explanation:

3 0
2 years ago
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Pls help me, i need to get my grade up as soon as I can
Aleksandr [31]

Answer:

106 and 93

Step-by-step explanation:

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4 0
2 years ago
Help with 2 show work
Wittaler [7]
A. from 67.86 all the way to the end. (67.86 is not filled)
b. $67.86,
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c. There are many values that represent this inequality.(values equal to or greater than $67.86)

Hope this helped☺☺

8 0
3 years ago
Percent decrease from 145 to 132. Round to the nearest percent
o-na [289]
132/145 × 100% = 91.03%

i am a mathematics teacher. if anything to ask please pm me
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