2 years ago

......is an example of

Mathematics

2 answers:

Stolb23 [73]2 years ago

7 0

Answer:

The answer would be 'D'.

Step-by-step explanation:

An expression does NOT have an equal sign while a formula does. A variable is some letter symbol that you are solving for, but a constant would be a number such as 2 or 4 that could be added, multiplied, subtracted, or divided in an equation.

I hope this helps!

fredd [130]2 years ago

4 0

Answer:

Step-by-step explanation:

a formula

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in a class of 34 students 19 of them are girls what percentage of the class are girls to 1 decimal place

motikmotik

Answer:

55.9% of the class are girls

Step-by-step explanation:

19/34 = 0.559

0.559 x 100 = 55.9%

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2 years ago

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musickatia [10]

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2 years ago

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ValentinkaMS [17]

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vladimir1956 [14]

$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
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3 years ago

Please help me this is due soon!! ill mark brainiest :))<br> i also need a reason why please!!

N76 [4]

Answer:

Step-by-step explanation:

One square = (2/5)/(3) Invert and multiply the 3

2 1

== == =

5 3

2/15

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3 years ago