2 years ago

6 more than the product of a number x and 5 is 21

Mathematics

1 answer:

fgiga [73]2 years ago

4 0

Answer:

x = 3

Step-by-step explanation:

6 + 5x = 21

5x = 15

x = 3

I hope this helps

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Kailey buys a greeting card for $3.79. She then buys 3 postcards that all cost the same amount. The total cost is $6.04. How muc

leonid [27]

Answer:

0.75 was how much she paid for each postcard.

Step-by-step explanation:

6.04-3.79

=2.25

so take 2.25 divided by 3

= o.75

equations would be 6.04-3.75=b/ 3

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2 years ago

Lines DE and AB intersect at point C.

alexandr402 [8]

Answer:

Step-by-step explanation:

2x+2+5x+3=180 (angles on a straight line)

7x+5=180

7x=180-5

7x=175

x=25 (dividing both sides by 7)

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2 years ago

What is 120/180 in simplest form

dlinn [17]

You can find the simplest form of 120/180 by rounding down the numbers. you can take the zeros away and your left with 12/18. you can make it even smaller by using the 6 time tables. 12 and 18 are both in the 6 time tables. 2×6=12 and 3×6=18. The answer is 2/3.

Hope I helped :D

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2 years ago

Which expression represents the calculation "subtract 30 from 40, then multiply by 4

Rzqust [24]

4( 40 - 30)

subtract 30 from 40 is expressed as 40 - 30

then multiply by 4 is expressed as 4 × (40 - 30) or 4(40 - 30) = 40

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2 years ago

You roll a cube which has the numbers 11, 12, 11, 12, 20, and 20 on it. You then spin a spinner which has 3 sections. The letter

ale4655 [162]

Answer:

1 / 9

Step-by-step explanation:

Given the number cube :

(11,12,11,12,20,20)

Spinner : (G, H, J)

Probability = required outcome / Total possible outcomes

P(20) = 2 / 6 = 1/3

P(H) = 1 / 3

P(20 and H) = P(20) * P(H) = 1/3 * 1/3 = 1 /9

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2 years ago