3 years ago

Help ASAP! 7th grade math.

Mathematics

1 answer:

Vikki [24]3 years ago

8 0

Its a regular hexagon

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2 2/5 divided by (-1/4) ?

andrew11 [14]

Answer:

-9.6

Step-by-step explanation:

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3 years ago

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The ages of Aman and Arun are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present

Viktor [21]

Answer:

Aman's age = 20, Arun's age = 28

Step-by-step explanation:

Let $x$ = Aman's age

Let $y$ = Arun's age

- - - -

$x+4+y+4=56$ (Sum of their age is 56 after 4 years in the future)

$x+y+8=56$

$x+y=48$

$\frac{x}{y} = \frac{5}{7}$ (Ages are in the ratio 5:7)

$x=\frac{5}{7}y$

Now, we can use substitution to find for Arun's age:

$x+y=48$

$\frac{5}{7}y+y=48$

$\frac{12}{7}y=48$

$y=28$

∴ Arun is $28$

To find for Aman's age, we can use substitution:

$x+y=48$

$x+28=48$

$x=20$

∴ Aman is 20

Hope this helps :)

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3 years ago

An angle measures 172° more than the measure of its supplementary angle. What is the measure of each angle?

Taya2010 [7]

Step-by-step explanation:

x+ 172= 180-x

x+ 172= 180-x2x= 8

x+ 172= 180-x2x= 8x= 4°

180-4= 176

the angle is 4° and the measure of the other angle is 176°

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3 years ago

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Pam is measuring the distance of her journey to school. The distance from her house to the bus stop is 320m, then the bus journe

enot [183]

Answer with step by step explanation

$320m \div 1000 = 0.32km \\$

$total \: \: \: distance \\ = 0.32km + 2.85km \\ = 3.17km$

hope this helps you.

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4 years ago

A credit union loans a member $6,000 for the purchase of a used car. The loan is made for 15 months at an annual simple interest

lina2011 [118]

You will need the Total Loan Cost Formula which is
(I'm having trouble attaching the graphic - I think the problem is with Brainly).

If nothing else, go to this web page.
It has a calculator and the formula.
http://www.1728.org/loanfrm4.htm

I get an answer of $6,238.70

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3 years ago