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3 years ago

6 + 10 − _____ = 6 A) −10 B) −6 C) 6 D) 10

Mathematics

1 answer:

emmainna [20.7K]3 years ago

5 0

The answer would be D) 10

6 + 10 - 10 = 6

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(HELP ASAP PLEASE!!)

Doss [256]

Answer:

Each shirt cost $7 and each pair of shorts cost $17 .

Step-by-step explanation:

let shirts be represented as x

let shorts be represented as y

Younger brother spent $79 on 4 new shirts and 3 pairs of shorts.

4 x + 3 y = $79 .......equation 1

Older brother purchased 7 new shirts and 8 pairs of shorts and paid a total of $185.

7 x + 8 y = $185 .......equation 2

multiply equation 1 by 7 and equation 2 by -4 and add both equations to get the value of y.

7 × (4 x + 3 y = $79) ⇒ +28 x + 21 y = $553

-4 × (7 x + 8 y = $185) ⇒ -28 x - 32 y = - $740

0 - 11 y = - $187 ⇒ -11 y = - $187

y = $\frac{- $187}{- 11}$ ⇒ y = $17

shorts = y = $17

put value of y in equation 1

4 x + 3 ( $17 ) = $79 ⇒ 4x + $51 = $79 ⇒ 4x = $79 - $51

4x = $28 ⇒ x = $\frac{$28}{4}$ ⇒ x = $7

Shirts = x = $7

8 0

3 years ago

Sam decided to lose weight and went on a diet. The figure below depicts a graph, showing how his weight changed during the year.

elena-14-01-66 [18.8K]

Answer:

100kg

Step-by-step explanation:

On the graph 100kg is where the line starts so that his weight when he started. Hope this made sense!

6 0

3 years ago

Read 2 more answers

Joe Popoff, a collection agent, collected 90% of a debt of $5,600.00 that had been overdue 90 days. This collection rate was 5%

sergey [27]

You are given the debt collected by Joe Popoff with a 90% of a debt of $5,600.00 that had been overdue 90 days. This collection rate was 5% more than the average collection rate for that agent. The agent charged 25% commission. You are asked to find the net proceeds.

Amount collected
= $5,600 * 0.90
= $5,040

Commision
= $5,040 * 0.25
= $1,260

Net Proceeds
= $5,040 - $1,260
= $3,780

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3 years ago

Find the lateral area. Round to the nearest thousandths.

solniwko [45]

Answer:

62.832

Step-by-step explanation:

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3 years ago

On a social studies test, James scored a 2025, Jules earned an 81%, and Scott scored a 0.815. Who earned the highest grade? Just

vlabodo [156]

Answer:

scott earned higher that jules because 81% is 0.81, but the 2025 makes no sense because it does not show a total.

Step-by-step explanation:

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3 years ago