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erik [133]
3 years ago
8

Jenna is planning to reduce the size of her rectangular poster so that she can also make a card out of the rest of it.

Mathematics
1 answer:
Gwar [14]3 years ago
4 0
What expression, in simplest form, shows the value of the new area of the poster?
10(17 - r) = (170 - 10r) square inches

What expression shows the value of the planned area of the card?
The planned area of the card is the difference between the initial area of poster and the new area of poster.
i.e. (10 x 17) - (170 - 10r) = 170 - 170 + 10r = 10r square inches.

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4 0
3 years ago
Erica can run 1/6 of a kilometer her school is 3/4 of a kilometer away from her home at this this speed how long would it take e
shepuryov [24]

Answer:

4 minutes 30 seconds

Step-by-step explanation:

Given:

Erica can run 1/6 of a kilometer in one minute.

Her school is 3/4 of a kilometer away from her home.

Question asked:

How long would it take Erica to run home from school = ?

Solution:

As here distance is  given and also speed is given, we will find time taken to run from home to school by using,

Speed=\frac{Distance}{Time} \\ Time =\frac{Distance}{Speed} \\

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3 years ago
Evaluate 4z divided 7 for z=35
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