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3 years ago

Select the correct ratios.

Mathematics

1 answer:

Goshia [24]3 years ago

4 0

65:100 because there are 65 girls and then 65 girls + 35 boys = 100 total students

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Evaluate each absolute value expression below | 2 | + | 4 | | − 3 | + | 5 | | − 7 | + | − 1 | − | 6 |

Bingel [31]

Answer:

Step-by-step explanation:

The absolute value symbols turn any negative inside of them to a positive, so your expression is ...

2 + 4·3 +5·7 +1 -6

= 2 +12 +35 +1 -6

= 44

4 0

4 years ago

Find: ∠a ∠b ∠c Plaese help

Amiraneli [1.4K]

Answer:

i believe a=105, b=29, and c=45

4 0

4 years ago

Twice the difference of a number and six is less than the number decreased by two

Semenov [28]

What’s the question ??

7 0

3 years ago

What is the difference of the fractions? Use the number line to help find the answer.

Doss [256]

Answer:

Option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

Step-by-step explanation:

Given the expression

$\frac{1}{5}-\frac{3}{4}$

Determining the difference of the fractions

$\frac{1}{5}-\frac{3}{4}$

The Least Common Multiplier of 5, 4 is 20. Thus, adjust the fractions based on the L.C.M.

$\frac{1}{5}-\frac{3}{4}=\frac{4}{20}-\frac{15}{20}$

Apply the fraction rule: $\frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}$

$=\frac{4-15}{20}$

Add the number: 4-15 = -11

$=\frac{-11}{20}$

Apply the fraction rule: $\frac{-a}{b}=-\frac{a}{b}$

$=-\frac{11}{20}$

Please check the attached figure, where the pointing-down arrow is representing the correct answer which is -11/20.

Therefore, option 'b' i.e. -11/20 is the correct option.

Thus,

$\frac{1}{5}-\frac{3}{4}=-\frac{11}{20}$

3 0

3 years ago

Question 2 of 20 :

Dennis_Churaev [7]

Answer:

Step-by-step explanation:

(3a^4-2a^2+5a-10)-(2a^4+4a^2+5a-2)

a^4-6a^2-8

5 0

3 years ago