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Sonja [21]
3 years ago
6

8x - 2y = 4 and x + 4y = -12

Mathematics
1 answer:
irina [24]3 years ago
7 0

x = -12 - 4y

y = -3 - (x/4)

There you go! :D

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Victonia counts this week's food donations at a pet shelter. There are 16 full cases of canned food. There are 4 cases of canned
MrRissso [65]

Answer:

We know that C is the total number of cans in a complete case.

Victoria counts:

16 full cases, so in those we have: 16*C cans.

4 cases with 5 missing cans, so in those we have:

Then if each case has C cans, the cases that are missing 5 cans have:

C - 5 cans.

Then in those four cases we have a total of: 4*(C - 5) cans.

And Victoria knows that there are 220 cans, then we have that:

16*C + 4*(C - 5) = 220

16*C + 4*C - 20 = 220

16*C + 4*C = 220 + 20 = 240

20*C = 240

C = 240/20 = 12

Then each case has 12 cans.

Then the number of cans in the cases with missing cans is:

12 cans - 5 cans = 7 cans.

Step-by-step explanation:

Hope this helps!!!!!!!! :D

4 0
3 years ago
I WILL MARK AS BRAINLIEST! Simplify
aev [14]
A. 40
B. 28
C. 140
D. 26
4 0
3 years ago
Read 2 more answers
Thaddeus wants to attend a sports camp this spring that costs $170.00 for the week. He rakes leaves during the fall and earns
Minchanka [31]
170 - (58.35 + 85.80) = 25.85
6 0
3 years ago
Cynthia has a photo frame that has a circumference of 56.52cm. What is the radius of the photo frame
Pavlova-9 [17]

Answer: 9cm

Step-by-step explanation:

The circumference of a circle is given as: = 2πr

where,

π = 3.142

r = radius = unknown

Since circumference = 56.52cm, we'll slot it into the formula which will be:

Circumference = 2πr

2πr = 56.52

2 × 3.142 × r = 56.52

6.284r = 56.52

r = 56.52 / 6.284

r = 8.99

r = 9cm approximately

6 0
3 years ago
Simplify.<br><br> 1/2b - 2/5b<br><br> please i am begging u
DerKrebs [107]
First, we need to find the LCD (Least Common Denominator) so we can subtract them much easier.

An easy way to find the LCD is to just multiply the denominators together: So 2 • 5 = 10

We have to do the same to the numerators too though.

1/2 (5) = 5/10

2/5 (2) = 4/10

Now, the remade expression is:

5/10 - 4/10 which will equal 1/10.

Hope it helped! If it did, please mark as Brainliest! :)
8 0
3 years ago
Read 2 more answers
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