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3 years ago

Explain how finding 7×20 is simply letter to finding 7×2000 then find each product.

1 answer:

3 0

U multiply 7x2=14. then add the zero from the 20 behind the 4 and get 140. Multiply 7x2=14. Then add the 3 zeros behind the 4 in 14 and u get 14,000

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Find the greatest common factor of -30 x4yz3 and 75 x4z2 .<br> ____x^? Z^?

Travka [436]

First find the common factor of -30 and 75, which is 15.

Next find the common factors of the variables:

The factors of x$6 is x*x*x*x

Factor for y is y

Factors for Z^3 is z*z*z

Factors for Z^2 is z*z

The GCF would be x^4z^2

Final answer = 15x^4z^2

7 0

3 years ago

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1. Mrs. Jones picks 3 flowers a day starting on Monday. How many does she have by Sunday?

Aleks04 [339]

Answer:

1. 18

2. 2412

Step-by-step explanation:

1. Monday 3

Tuesday 6

Wensday 9

Thursday 12

Friday 15

Sunday 18

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603*4=2412

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3 years ago

75 is what percent of 1000?

sineoko [7]

$75 = \frac{x}{100} \times 1000\\75 =x \times 10\\x =7.5$ so your answer is 7.5%

3 0

2 years ago

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Matt have 2 cookies, while christine have 2 more than matt how many cookies will they have if the add them altogethe?.

mojhsa [17]

Answer:

6 cookies

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Christine has 2 MORE than Matt.

2 + 2 = 4(Christine)

4 + 2 = 6(total)

5 0

2 years ago

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3x + 7y = 21 –3x – 7y = 42<br> Solve the system of equations?

likoan [24]

9514 1404 393

Answer:

no solution

Step-by-step explanation:

The equations describe parallel lines. There are no values of x and y that will satisfy both equations.

In standard form, the two equations are ...

3x +7y = 21

3x +7y = -42 . . . . . with positive leading coefficient

If (x, y) values satisfy the first equation, they cannot satisfy the second equation, and vice versa.

8 0

3 years ago