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3 years ago

(6e-3f-3/4) in a equivalent expression

Mathematics

1 answer:

pashok25 [27]3 years ago

4 0

Answer:

Step-by-step explanation:

(6e-3f-3/4) contains two terms which do not involve fractions and one fractional term (3/4).

We can safely remove the parentheses. Then:

(6e-3f-3/4) => 6e - 3f - 3/4

That is "an equivalent expression."

We could go further and create one equivalent fraction. Multiply the first two terms by 4/4, obtaining:

24e 12f 3 24e - 12f - 3 3(8e - 4f - 1

------ - ------ - ----- => ---------------------- => -------------------

4 4 4 4 4

Other equivalent expressions exist here.

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Gigi earned $65 for 5 hours of gardening. She earned $90 for 9 hours of office work. Which statement correctly compares Gigi’s e

Mashutka [201]

Answer:

Even though you did not add choices, she makes more gardening.

Step-by-step explanation:

65 / 5 is 13, so she makes $13 an hour while gardening.

90 / 9 is 10, so she makes $10 an hour while doing office work.

3 0

3 years ago

Solve using addition method 3x-3y+2z=7 3x+y-3z=-5 7x-y-2z=0

frozen [14]

3x - 3y + 2z = 7
3x + 1y - 3z = -5 ⇒ 6x - 2y - 1z = 2 ⇒ 42x - 14y - 7z = 14
7x - 1y - 2z = 0 ⇒ 7x - 1y - 2z = 0 ⇒ 42x - 6y - 12z = 0 
 -20y - 19z = 14
 -20y + 20y - 19z = 14 + 20y
 -19z = 14 + 20y
 -19 -19
 z = -14/19 - 1 1/19y
 3x - 3y + 2(-14/19 - 1 1/19y) = 7
 3x - 3y - 1 9/19 - 2 2/19y = 7
 3x - 5 2/19y - 1 9/19 = 7
 +1 9/19 +1 9/19 
 3x - 5 2/19y = 8 9/19
 3x - 3x - 5 2/19y = 8 9/19 - 3x
 -5 2/19y = 8 9/19 - 3x
 -5 2/19 -5 2/19
 y = -1 64/97 + 57/97x
 3x - 3(-1 64/97 + 57/97x) + 2(-14/19 - 1 1/19y) = 7
 3x + 4 95/97 + 1 74/97x - 1 9/19 - 2 2/19y = 7
 4 74/97x - 2 2/19y + 3.5056972328 = 7
 -3.5056972328 -3.5056972328
 4 74/97x - 2 2/19y = 3.494302767
 4 74/97x + 2 2/19y - 2 2/19y = 3.494302767 + 22/19y
 4 74/97x = 3.494302767 + 2 2/19
 4 74/97 4 74/97
 x = 0.7336523126 + 0.4420141262y
3(0.733652316 + 0.4420141262y) - 3(-1 64/97 + 57/97x) + 2(-14/19 - 1 1/19y)=7
 2.200956948 + 1.326042379y + 4 95/97 - 1 74/97x - 1 9/19 - 2 2/19y = 7 -1 74/97x - 0.7792207789y + 5.706654181 = 7
 -5.706654181 -5.70665418
 -1 74/97x - 0.7792207789y = 1.293345820
(x, y, z) = (0.733652316 + 0.4420141262, -1 64/97 + 57/97x, -14/19 - 1 1/19y)

6 0

3 years ago

1) Name the x-intercept of the graph for the equation 4x +2y = 8

Ksju [112]

Answer:

The x-intercept is at (2,0).

Step-by-step explanation:

The x-intercept(s) can be found by setting y to 0 and solving for x.

Your equation is:

4x+2y=8.

To find x-intercept replace y with 0:

4x+2(0)=8

4x =8

Divide both sides by 4:

x =2

The x-intercept is at (2,0).

7 0

3 years ago

Read 2 more answers

A restaurant ordered 833 ouces of chicken. There are 16 ounces in a pound. About how many pounds of chicken did the restaurant o

chubhunter [2.5K]

Answer:

They ordered about 52.

Step-by-step explanation:

Divide- 833÷16= 52.0625

It is estimated to only 52 pounds.

5 0

3 years ago

Read 2 more answers

I need help!!!!! The question is in the photo btw

Fiesta28 [93]

Answer:

114 Feet^2

Step-by-step explanation:

Volume is length*width*height

So we can cut our shape into 2 rectanges.

The bottom one will have the dimensions of 6*1*3 which is 18 feet

And the top one will have the dimensions of 8*4*3 which is 96 feet

Add them up, 96+18=114 feet

5 0

3 years ago

(6e-3f-3/4) in a equivalent expression​

(6e-3f-3/4) in a equivalent expression