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konstantin123 [22]
2 years ago
12

Are 4(a - 3) and 4a - 7 equivalent expressions?

Mathematics
2 answers:
Anarel [89]2 years ago
7 0

Answer:

Yes

Step-by-step explanation:

Given expression: 3x+9

Take 3 outside from the expression, we get,

= 3(x+3), which is called the equivalent expression

spin [16.1K]2 years ago
4 0

Answer:

No

Step-by-step

We have to multiply the 4 by both the a and the 3 since there a parenthesis around them. This would of course be distributive property. Since you don't know what a is, it would just be 4a and since we can multiply 4 and 3 that would be 12. So, 4(a - 3) is equivalent to 4a - 12.

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Bus stop Restaurant sell 3/4 as many cheeseburgers as they do with hamburgers on any given day. If there are a total of 42 burge
schepotkina [342]

Answer:

24cb 18 hb

Step-by-step explanation:

Let's call C the number of cheese burger sold and H the number of hamburgers.

As the cheeseburger sold are 3/4 of hamburgers, we can represent with the following equation:

C= (3/4)H (equation 1)

The total of burgers sold are the total of cheeseburger plus the total of hamburgers, and the sum 42. The equation representing it is:

C + H = 42

Replacing C by its value of eq. 1:

(3/4)H + H = 42

(3/4)H + (4/4)H = 42

(7/4) H = 42

Dividing both sides by (7/4)

H = 42/(7/4)

H= 42*(4/7)

H= (42/7)*4

H= 6*4

H=24

Then, C is:

C=(3/4)H

C=(3/4)*24

C= 3*24/4

C=72/4

C=18

We can verify it summing C+H

C+H=24+18=42 verified!

6 0
3 years ago
If f(x) = -3x + 4 and g(x) = 2, solve for the value of x for which f(x) = g(x) is true. ​
agasfer [191]

Answer:

-2

Step-by-step explanation:

-3(2)+4

-6+4

-2

5 0
3 years ago
HELP !!
VLD [36.1K]
Start at 4 on the y axis

move 2 units up and 3 units right
3 0
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Help me with this hard decimals Decimals is 3.5/100
zubka84 [21]
Just divide 3.5 with 100 so it would be 0.035
8 0
3 years ago
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nevsk [136]
125 miles per hour is equal to 201.168 kilometers per hour.
8 0
3 years ago
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