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Andreyy89
2 years ago
11

13 If CDEF is a rhombus, find m FED.

Mathematics
1 answer:
Tatiana [17]2 years ago
8 0

Answer:

36

Step-by-step explanation:

8x-20=5x+1

-5       -5

3x=-20+1

+20 +20

3x=21

3  3

x=7

8(7)-20

FED=36

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kell works at an after-school program at an elementray school. on monday he work for 1.5 hours and recived 12.6 dollars, on tues
Rina8888 [55]

Answer:

Kell would make more money working 10 hours than Markio.

Step-by-step explanation:

To find how much Kell makes per hour, you have to divide how much he worked by how much he earned. So on Monday, Kell worked 1.5 hours and received 12.6 dollars. Divide 12.6/1.5 and you'll find you're answer.

Monday:   12.6/1.5=<u>8.4</u>

On Tuesday, the problem states that he worked 2.5 hours and received 21 dollars. Divide 21/2.5 and you'll find the answer.

Tuesday:     21/2.5= <u>8.4</u>

On Wednesday, the problem states that he worked 4 hours and received 33.60. Divide 33.60/4 and you'll get you're answer.

Wednesday:    33.60/4= <u>8.4</u>

So we can conclude that Kell makes $8.40 per hour.

Now the problem states, Markio gets paid 7 dollars per hour. To find the answer to the question, you have to multiply how much they make per hour times 10 hours.

Markio:  7x10=70

Kell:  8.4x10=84

So to answer the question, Kell would make more money working 10 hours.


Hope it helps!

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=5%20%7Bx%7D%5E3%20-%2020%20%7Bx%7D%5E%7B2%7D%20%3D%200" id="TexFormula1" title="5 {x}^3 - 20 {
adell [148]

5x^{2}  \times (x - 4) = 0 \\ x^{2} \times (x - 4) = 0 \\  {x}^{2} = 0 \: x = 0 \\ x - 4 = 0 \: x = 4
7 0
3 years ago
CAN SOMEONE HELP ME PLEASE ASAP!?
Viefleur [7K]

Answer:

axc is 90 degrees. hope that helps

6 0
2 years ago
4*7, 5384 divided by 7538 ​
Darya [45]

Answer:40.00212258

Step-by-step explanation:

(4 x 75384) ➗ 7538

301536 ➗ 7538=40.00212258

7 0
3 years ago
Benjamin spends $9.50 for a movie ticket at Emagine and $4.50 for each snack. Landon spends $8 for a movie ticket at AMC and $5.
vagabundo [1.1K]

Answer:

It will take 2 snacks for Benjamin and Landon to spend the same amount

Step-by-step explanation:

Assume they bought x snacks

∵ Benjamin spends $9.50 for a movie ticket at Emagine and $4.50

  for each snack

∵ He bought x snacks

→ Multiply the number of snacks by 4.50 and add it to 9.50

∴ The amount he spent = 4.50x + 9.50

∵ Landon spends $8 for a movie ticket at AMC and $5.25 for each snack

∵ He bought x snacks

→ Multiply the number of snacks by 5.25 and add it to 8

∴ The amount he spent = 5.25x + 8

∵ They spent the same amount of money

→ Equate the right sides of their amount spent

∴ 5.25x + 8 = 4.50x + 9.50

→ Subtract 4.50x from both sides

∵ 5.25x - 4.50x + 8 = 4.50x - 4.50x + 9.50

∴ 0.75x + 8 = 9.50

→ Subtract 8 from both sides

∵ 0.75x + 8 - 8 = 9.50 - 8

∴ 0.75x = 1.50

→ Divide both sides by 0.75

∴ x = 2

∵ x represents the number of snacks they bought

∴ It will take 2 snacks for Benjamin and Landon to spend the same amount

8 0
2 years ago
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