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Oliga [24]
3 years ago
8

What is 1(4x+7y)+2(5y-9x)​

Mathematics
1 answer:
patriot [66]3 years ago
3 0
1(4x+7y)+2(5y-9x)
=4x+7y+10y-18x
=-14x+17y

The solution is -14x+17y.
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Chang and Carlotta solve this problem in two different ways. You have $50 in your bank account. You make $8 per hour mowing lawn
Daniel [21]

Answer:

8 hours

Step-by-step explanation:

You can solve this problem by inputting the values into an equation. Here is the equation below:

50 + 8x = 130

Lets solve for x. First you subtract 50 from 130.

1) 8x = 130 - 50

2) 8x = 80

Next, you divide 80 by 8 to get x by itself.

1) x = \frac{80}{8}

2) x = 10

This means that you must mow lawns for 8 more hours to get a total of $130 in your bank account.

6 0
3 years ago
Please help me! Suppose Sal's total profit on lunch specials for the next month is $1,593. The profit amounts are the same: $2 f
blsea [12.9K]

Answer:

Step-by-step explanation:

This is an incomplete problem. Other data were not given.

Given:

Profit of every sandwich = $2

Profit of every wrap = $3

x = sandwich

y = wrap

Last month:  2x + 3y = 1,470

Next month: 2x + 3y = 1,593

Based on the given equation:

Both still have the same profit. $2 for sandwiches and $3 for wraps.

The only reason why there is a difference in the total amount is the change in the number of sandwich or wrap sold in a given month.

Since, next month's total sale is higher than last month's total sale, it is safe to assume that the sale of sandwich or wrap is higher than last month's sale.

4 0
3 years ago
What is the image of G for a dilation with center (0, 0) and a scale factor of 1?
Naily [24]
If the scale factor is 1, the image G' is the same as the original pont G. It is
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4 0
3 years ago
Read 2 more answers
Carla is 5 years old and Jim is 13 years younger than Peter. One year ago Peter's age was twice the sum of Carla and Jim's age.
kari74 [83]
Carla = 5 years old
Jim = 2 years old
Peter = 15 years old
(Peter was 14 years old one year ago)
5+2=7
7x2=14 (14 is the age from one year ago meaning 15 is the current age)
15-2=13
4 0
3 years ago
Plzzzz helpppp2222. steppss
Ostrovityanka [42]

Answer:

I think its a two step

Step-by-step explanation:

welp try your best good luck

8 0
3 years ago
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