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Sav [38]
3 years ago
12

Please help me ASAP.

Mathematics
1 answer:
Sladkaya [172]3 years ago
8 0
Sending help your way :)
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How do I find this formula?<br><br> Trapizoid:b1=3 m;b2=4 m;A=7m2
DochEvi [55]
That depends. What are you trying to find? The formula for the perimeter? The formula for the area?
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3 years ago
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The histogram shows the number of payphones that were active by year in a large city. How many payphones would you expect to be
tangare [24]

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3 years ago
Eugene walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph.
Fynjy0 [20]

\text{Answer: }1\frac{23}{40}\ miles\text{ far she live from school.}

Explanation:

Since we have given that

Speed at which Eugene walked all the way to school = 3 mph

After realizing that she forgot her math book, she ran back

Speed at which Eugene walked back to her house = 7 mph

Let the distance between her house and her school be x

According to question,

\frac{x}{3}+\frac{x}{7}=\frac{45}{60}\\\\\frac{7x+3x}{21}=\frac{3}{4}\\\\\frac{10x}{21}=\frac{3}{4}\\\\x=\frac{3\times 63}{4\times 10}=\frac{63}{40}=1\frac{23}{40}\ miles.

Hence,

1\frac{23}{40}\ miles\text{ far she live from school.}

8 0
3 years ago
I need help with this <br>7f + 2f - 3b + b<br><br>I can't figure it out ​
Leni [432]

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9f-4b

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3 years ago
In the triangle below, with right angle , suppose that and .
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........

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2 years ago
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