3 years ago

How to determine if a number is prime or composite

Mathematics

1 answer:

Nookie1986 [14]3 years ago

6 0

Bhjhdgf srhtnrj hjlgon54543tjkl

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Rose went to a stationary shop.she purchased 2 packs of red pens,4 packs of black pens,and 3 packs of blue pens.the cost of each

sweet-ann [11.9K]

Its 11.5 because your adding everything in your equation or question

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3 years ago

Explain how you know whether to add or subtract when you use the Distributive Property to multiply

swat32

If one of the numbers you are multiplying by is negative,then that answer will be negative.

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3 years ago

Find the quotient of 3/5 and 2/3

faltersainse [42]

Answer:

9/10

Step-by-step explanation:

Dividing by a fraction is the same as multiplying by that fraction's reciprocal (basically the fraction flipped).

$\frac{3}{5}$ ÷ $\frac{2}{3}$ = $\frac{3}{5} *\frac{3}{2} =\frac{3*3}{5*2} =\frac{9}{10}$

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3 years ago

Read 2 more answers

Help please !!!!! Super hard

Keith_Richards [23]

The image is really unclear but I will assume that the number of teams given = 66
and the formula is
$n = \frac{ {t }^{2} - t }{2}$
plug in the number of teams
$66 = \frac{ {t}^{2} - t }{2}$
multiply both sides by two
$132 = {t}^{2} - t$
subtract 132 from both sides and factor
t = 12

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3 years ago

I need help and I dont get this at all

mel-nik [20]

Answer:

The sides form a <u>right triangle</u>

Step-by-step explanation:

\sqrt(130)km = 11.4 km

4 0

3 years ago