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satela [25.4K]
2 years ago
7

5 + 1.3 • 8.7? whats the answer?

Mathematics
2 answers:
Elan Coil [88]2 years ago
8 0

Answer:

56

Step-by-step explanation:

shusha [124]2 years ago
8 0
16.31
Hope this helps
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15 points and brainliest!! please help !!
Arte-miy333 [17]
This will be solved by solving for x first. Firstly you multiply the top equation by 2 and the bottom by -3. This will change both equation to (top)-10x+6y=-54 and (bottom) 27x-6y=-57. Now when you add the factors the y-values cancel out leaving you with; 17x=-3. now you have to divide by 17 on both sides giving you x=-0.17647058823 (not the prettiest solution but you can round if you want to). After that pick an equation to solve for y (I'm picking the top); the equation will be 5(-0.17647058823)+3y=-27. multiply the negative decimal and 5 to get -0.88235294117 (again not the prettiest). Add that to both sides which will give you 3y=-26.1176470588. After this divide both sides by 3 which will give you y=-8.70588235294. Your answer is (-0.17647058823,-8.70588235294) You can divide to the second or third decimal if needed-----remember that as you round from left to right on a decimal if it's below five you leave it and if it's above 5 then round up 1. I hope this help :)
3 0
3 years ago
Simplify 3 whole number 1/6 + 1 whole number 1/4 -2 whole number 2/3​
amid [387]
I believe it will be 1.75
Hope this helps!
3 0
3 years ago
Read 2 more answers
Use the elimination method to solve the system of equations. Choose the
Yakvenalex [24]

Answer:

(2, 7) is the correct ordered pair.

Step-by-step explanation:

5x + 3y = 31

2x + 3y = 25   Subtract to eliminate the y variable:

3x = 6

x = 6/3

x = 2.

Substitute x = 2 in the first equation:

5*2 + 3y = 31

3y = 31-10 = 21

y = 21/3

y = 7.

Check the result by substituting for x and y in the second equation:

2(2) + 3(7) = 25

4 + 21 = 25

25 = 25.

5 0
3 years ago
The systematic repayment of a loan through a set number of payments at a
Romashka-Z-Leto [24]

Answer:

D

Step-by-step explanation:

Amortization is the systematic repayment or writing off a loan through a number of payments at a specific interest rate.

6 0
3 years ago
Which percent is equivalent to the fraction 7/50 ?
taurus [48]
14% because 7/50 divided by 100 equals 14.
5 0
3 years ago
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