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Dmitry [639]
2 years ago
6

ANSWER PLEASE !! -2x-5=10 4x+2y=8 -6x+2y=12

Mathematics
1 answer:
son4ous [18]2 years ago
6 0

Answer:

x= -15/2 y=-33/2

Step-by-step explanation:

i dont know how you want to solve it but if it is "system of equations" then first solve for the first variable in on e of the equations, then substitute the result into the other equation.

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Write your answer as a fraction or as a whole or mixed number.<br> 27pts
statuscvo [17]

<u>What we know</u>:

  • Bird feeder capacity:             -->  2 4/5 cups
  • Samantha's scoop capacity: -->  7/10 cups

<em>Lets first convert the mixed partial fraction --> improper fraction</em>

<em>        --> for easier calculation</em>

<em />

<u>After Conversion:</u>

  • Bird feeder capacity:             -->  14/5 cups
  • Samantha's scoop capacity: -->  7/10 cups

<u>To find how many scoops of birdseed will Samantha put into the feeder we must:</u>

  --> divide the total capacity by the scoop's capacity

       --> find the number of scoops:

<u>Solve:</u>

  Total-number- of -scoops = \frac{\frac{14}{5} }{\frac{7}{10} } =\frac{14}{5} *\frac{10}{7} =\frac{14*10}{5*7} =\frac{14}{7} *\frac{10}{5} =2*2=4

Thus the total number of scoops that Samantha will put into the bird feeder is <u>4</u>

<u></u>

<u>Answer: 4</u>

<u></u>

Hope that helps!

4 0
2 years ago
What is the difference of the two polynomials?
Ganezh [65]

Answer:

a) 7x^2 + 5x

Step-by-step explanation:

(9x^2 + 8x) – (2x^2 + 3x)

Distribute the minus sign

(9x^2 + 8x) – 2x^2 - 3x

Line them up vertically

  (9x^2 + 8x)

– 2x^2 - 3x

-------------------

7x^2     +5x

5 0
3 years ago
Read 2 more answers
If the exchange rate changes from​ $1.45 = 1 euro to​ $1.37 = 1​ euro, then
Leto [7]
The euro has depreciated and the dollar as appreciated
4 0
3 years ago
Keith works 8 hours per day for 5 per week. melba works 2,250 minutes each week. who spends more time at work
Orlov [11]

Answer:

Keith does.

Step-by-step explanation:

2250/60=37.5

8*5=40

Keith spends 40 hrs at work Melba spends 37.5 hrs.

6 0
3 years ago
SOLVE: 6 and 1/12 divided by 4 and2/5​
Firdavs [7]

Answer:

1 and 101/264

Step-by-step explanation:

:)

(:

:)

(:

Hope this helps!

-Josh

<3

(brainliest?)

7 0
2 years ago
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