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Vitek1552 [10]
3 years ago
8

During the summer Frank earned $60 less than three times as much as his brother Fred. Together they earned $1220. How much did t

hey each earn?
Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer:

320, 900

Step-by-step explanation:

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Please help me ill mark you as brainiset
MrRissso [65]

Answer:

-1 7/8

Step-by-step explanation:

i used an online calculator

pls give brainliest

7 0
3 years ago
Evaluate the following expression when a = -3, b = 2, c = 5, and<br> d= -4.<br> 4c + d
Delicious77 [7]

Answer:

-24

Step-by-step explanation:

this is how I think it should be done

Solution:

4c+d

4×5(c)-4(d)

20+-4

=-24

8 0
3 years ago
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I need this answered ASAP please I beg of you. <br> I’m really confused on what to do here.
timama [110]

Answer:

Hi use the attached formula to calculate the midpoints

Attached also is an example

Hope this helps

4 0
3 years ago
The graph shows the prices of different numbers of bushels of corn at a store in the current year. The table shows the prices of
Sauron [17]

Given: in the previous year, the table shows the prices of various amount of maize bushels in the same store.

A diagram displays the number of x-axis bussels and the price of maize in y axis dollars for 2012.

Search: The rate of change in this year's maize bushel, Part B: How many dollars is the present year's price of a maize bushel higher than in the previous year's maize bushel

Finding:

Earlier Year Panel

Bushel Number Corn prices

Shift rate of the previous year's maize bushel = (20-10)/(4 – 2) = = 10/2 = 5 Graph 2, 14, 4, 28, 6, 42 and 8, 56 and 10, 70, and 12, 84 Current year This year's rate of adjustment of the maize bushel, = (28 - 14)/(4 -2) = 14/2 = 7 7 - 5= 2 USD is more than the price of the maize bushel in the current year than the pre-year price of the maize bushel.

3 0
3 years ago
Read 2 more answers
X + Y is equal to 5 x minus Y is equal to 4 find the value of find the value of x square minus y square ​
Grace [21]

Answer: 20

Step-by-step explanation:

x+y=5

x-y=4

---------

x+y=5

x=4+y

--------

(4+y)+y=5

4+y+y=5

 4+2y=5

      2y=1

        y=0.5

        x=4.5

---------

x²-y²=(4.5)²-(0.5)²=20.25-0.25=20

7 0
3 years ago
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