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4 years ago

What are some ratios that are equivalent to 5/7

Mathematics

2 answers:

lesya692 [45]4 years ago

5 0

10/14, 15/21, 20/28, 25/35

Just multiply numerator and denominator by the same number

iogann1982 [59]4 years ago

3 0

Answer:

15:21

Step-by-step explanation:

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If the temperature after 4.4 degree drop was -2.5 degrees Celsius what was the temperature at noon

Lostsunrise [7]

Answer:

1.9°C

Step-by-step explanation:

Let X be the temperature at noon and -2.5°C be the current temperature after the drop.

-We calculate temperature at noon as:

$\bigtriangleup =t_o-t_n\\4.4=X--2.5\\\\X=4.4-2.5\\\\=1.5\textdegree C$

Hence, the temperature at noon was 1.9°C

5 0

3 years ago

Leslie has 8 pencils.

Rudiy27

17 pencils. I’m preety sure

7 0

4 years ago

Read 2 more answers

A cone has a mass of 6g and a radius of 5cm and a height of 2cm what is the density

goblinko [34]

Step $1$

we know that

The density's formula is equal to

$density=\frac{mass}{volume}$

The volume of a cone is equal to

$Volume=\frac{1}{3}\pi r^{2} h$

where

r is the radius of the base of the cone

h is the height of the cone

in this problem

$r=5cm\\ h=2 cm$

substitute the values in the formula above

$Volume=\frac{1}{3}*\pi*5^{2}*2$

$Volume=52.36\ cm^{3}$

Step $2$

Find the density

we have

$Volume=52.36\ cm^{3}$

$mass=6\ g$

substitute in the formula

$density=\frac{mass}{volume}$

$density=\frac{6}{52.36}$

$density=0.11\frac{g}{cm^{3} }$

therefore

<u>the answer is</u>

the density is $0.11\frac{g}{cm^{3} }$

3 0

3 years ago

I need some help!

Katena32 [7]

Answer:

11/60

Step-by-step explanation:

It is convenient to use the relationship between sine, cosine, and tangent.

tan(x) = sin(x)/cos(x) = (11/61)/(60/61)

tan(x) = 11/60

5 0

4 years ago

Beth read a total of 12 books over 7 months.

givi [52]

She has been with her book club for 49 months.

Step-by-step explanation:

Books read = 12 books

Time period = 7 months

Therefore,

12 books = 7 months

1 book = $\frac{7}{12}\ months$

Books read so far = 84 books

Total time period = x

84 books = x months

1 book = $\frac{x}{84}\ months$

Using both unit rates;

$\frac{x}{84}=\frac{7}{12}\\x=\frac{7}{12}*84\\x=\frac{588}{12}\\x=49\ months$

She has been with her book club for 49 months.

Keywords: Unit rates, multiplication

Learn more about multiplication at:

#LearnwithBrainly

8 0

3 years ago