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Sloan [31]
2 years ago
5

A number is first increased by 20 and then doubled. The result is 2 less than 5 times

Mathematics
1 answer:
Iteru [2.4K]2 years ago
8 0

i  think maybe ? x+20*2=5-2*x

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Find three consecutive integers whose sum is -57
jekas [21]
<span>x, x+1,x+2
...
x+x+1+x+2=-147
3x+3=-147
-3 -3
3x=-147-3

3x=-150
/3
x= -150/3
x= -50
..
-50,-49,-48
... i think that is it 8)

</span>
5 0
3 years ago
Read 2 more answers
100 points! PLEASE ANSWER!
german

Answer:

x + y = 36 (1)

7x + 4y = 216 (2)

Step-by-step explanation:

Quanrity of Holiday blend = 36 pounds

Cost per pound of the blend = $6.00

Cost of chocolate chips = $7.00 per pound

Cost of pretzels = $4.00 per pound

Let

Pounds of chocolate chips = x

Pounds of pretzels = y

x + y = 36 (1)

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7x + 4y = 216 (2)

The system of equation is

x + y = 36 (1)

7x + 4y = 216 (2)

7 0
3 years ago
Factor ab + 2a + 3b + 6
EastWind [94]

The answer is (b+2)(a+3)

You have to group each like term but have them be able to separate evenly so when you do the foil method it goes back to the original equation.

7 0
3 years ago
Read 2 more answers
Guys please help me match these<br><br> Brainliest will go to the right answer
sergij07 [2.7K]

Answer:

Step-by-step explanation:

10 - m = m - 10                  is  one solution

7x + 5 = 7(x + 5)                is  no solution

3(t + 2) = (2 + 3t) + 4         is identity

hope this helps!

mark me brainliest :D

3 0
2 years ago
Are the ratios 2.5:3.5 and 5:7 proportional? explain
yuradex [85]
\frac{2.5}{3.5}=\frac{2.5 \times 2}{3.5 \times 2}=\frac{5}{7}

They are the same fraction, so they are proportional.
3 0
3 years ago
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