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valina [46]
3 years ago
7

if a certain number is decreased by 7 and the difference is then multiplied by 7, the result is the same as when the number is d

ecreased by 11 and that difference is multiplied by 11. Write an equation to represent this situation?
Mathematics
2 answers:
Nat2105 [25]3 years ago
6 0
7(x-7)=11(x-11)

.........................
marshall27 [118]3 years ago
4 0

Answer:

Belly

Step-by-step explanation:

One i ate alot of pizzas and then went to the bathroom

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Which option equals tan 40°? Select all that apply.
Sonbull [250]
Answers:
(sin40)/(cos40) and
(cos50)/(sin50)
4 0
3 years ago
If a phone card is used to make a long distance phone call, you are charged $0.50 per call plus an additional $0.31 per minute.
Nikitich [7]

Part A: c for cost. c=0.31m+0.5

0.31m is the cost per minute. 0.5 is cost per call.

Part B: 0.31m+0.5=5.15 to solve we must rearrange.

subtract 0.5 from each side giving us 0.31m=4.85

divide by 0.31 giving us m=15.65

7 0
3 years ago
Y = 3x - 12x +9<br> In standard form?
xxMikexx [17]

Answer:

y=-9x+9

Step-by-step explanation:

There are only two like terms in the equation which I have underlined.

y= <u>3x - 12x</u> +9

To simplify it, you combine the like terms and get your equation in standard form.

5 0
2 years ago
elise takes 12 minutes to rake up and bag a pile of leaves her sister katherine takes twice as long, how many minutes would it t
Ymorist [56]

Answer:

80 minutes

Step-by-step explanation:

Rate and Time are inverses of each other

First,

Elise Time = 12

and

Katherine Time = 2 * 12 = 24

Their rates would be (inverses):

Elise Rate = 1/12

Katherine Rate = 1/24

Together their rate is 1/12 + 1/24 = 3/24

Now, the inverse of this rate would be the time it takes to complete 1 bag together, that is:

(3/24) ^ -1 = 24/3 = 8 minutes

So, 10 bags would take them:

8 * 10 = 80 minutes

8 0
3 years ago
Find the ordered pair whose x-coordinate is 5. 4x=6y+8
sukhopar [10]

(6, 2 )

substitute x = 5 into the equation and solve for y

6y + 8 = 20 ( subtract 8 from both sides )

6y = 12 ( divide both sides by 6 )

y = \frac{12}{6} = 2

the ordered pair is (5, 2 )


6 0
3 years ago
Read 2 more answers
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