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LUCKY_DIMON [66]
3 years ago
5

What are the first five common multiples of 7 and 20?

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0

The first five common multiples of 7 and 20 are 140, 280, 420 , 560 , and 700.

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Estimate the solution to the system of equations.
klemol [59]

Answer:

x=1/2; y=-6

Step-by-step explanation:

2x-2=-2x-5

4x=2

x=1/2

y=-1-5

y=-6

8 0
3 years ago
jake is younger than sophie. sophie is 14 years old. write an inequality that compares jakes age in years, j, to sophies age
matrenka [14]
The answer would be j<14
Because Sophie is 14 and hake is any number younger then her
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3 years ago
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How can you use the double number line diagram to find what percent 240 is of 300​?
kotykmax [81]

Answer:

It is 80

Step-by-step explanation:

Percentage Calculator: 240 is what percent of 300? = 80.

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3 years ago
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The jewelry center bought a pair of earrings for $250. They are going to mark the price of the earrings up 32.5%. How much will
ELEN [110]

Answer:

$331.25

Step-by-step explanation:

Given:

The jewelry center bought a pair of earrings for $250

They are going to mark the price of the earrings up 32.5%

Question asked:

How much will they sell the earrings for ?

Solution:

Cost price of a pair of earrings =  $250

Mark up value = 32.5% of $250

                        = \frac{32.5}{100}  \times 250\\\frac{8125}{100} = 81.25

Now, we can find selling price of a pair of earring by simply adding the cost price and the mark up value.

Selling price = cost price + mark up value

                     = 250 + 81.25

                     = $331.25

Thus, they sell the earrings for  $331.25

4 0
4 years ago
16n2 – 10n – 5 = 6n<br> Solve the equation for all real solutions
sergiy2304 [10]

Answer:

n=5/4 or n=-1/4

Step-by-step explanation:

16n^2 - 10n-5=6n

16n^2-16n-5=0

(4n)^2-2.4n.2+2^2 = 2^2 + 5

(4n- 2)^2=9

4n-2 = 3 or 4n-2=-3

4n=5 or 4n=-1

n=5/4 or n = - 1/4

3 0
4 years ago
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