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Bas_tet [7]
3 years ago
8

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:

  44

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:

A

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
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