3 years ago

Busco amigos o amigas :D

Mathematics

1 answer:

Mariulka [41]3 years ago

6 0

Yo puedo a ser tu amiga

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Estimate the difference. 9 1/2- 1 6/7

Sav [38]

Answer:

$= 7 \frac{9}{14} \\$

Step-by-step explanation:

$9 \frac{1}{2} - 1 \frac{6}{7} \\ \frac{19}{2} - \frac{13}{7} \\ \frac{133 - 26}{14} \\ = \frac{107}{14} \\ = 7 \frac{9}{14}$

hope this helps

brainliest appreciated

good luck! have a nice day!

6 0

3 years ago

Solve -2.5n + 8.7 > 5.45.

AlexFokin [52]

A. n<1.3

-2.5n+8.7>5.45
subtract 8.7 from both sides
-2.5n>-3.25
divide -2.5 from both sides
(since you divided by a negative you flip the sign!!)
n<1.3

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3 years ago

It cost Naomi $7.70 to send 154 text messages how many text messages did she send if she spent $5.25

igomit [66]

Answer:

105 text messages

Step-by-step explanation:

7.70 divied by 154 = 0.05

0.05 per text massage

5.25 divided by 0.05 = 105

to check work:

105 times 0.05 = 5.25

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3 years ago

28a-4a^2<br> Helpp it’s simplifying

olga nikolaevna [1]

Answer:

${ \tt{ = 28a - {4a}^{2} }} \\ = 4a(7 - a)$

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3 years ago

Pleaseeeeeee help me

leva [86]

Answer:

I dine at home

Step-by-step explanation:

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3 years ago