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nekit [7.7K]
2 years ago
8

Manuel is 6 years older than melissa. In 6 years the sum of their ages will be 52. How old is manuel now?

Mathematics
2 answers:
Ahat [919]2 years ago
8 0

Answer:

58

Step-by-step explanation:

Naily [24]2 years ago
3 0

Answer:

58

Step-by-step explanation:

lolololololololol

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Look at the following math problems. 10 + 2 = 12 12 − 2 = 10 What are these operations called?
Anettt [7]

Answer:

i think it might be fact families

Step-by-step explanation:

this is because they use the 3 same #rrs

3 0
3 years ago
I need help please.
skelet666 [1.2K]

Answer:

Step-by-step explanation:

(x²-6x-3)(7x²-4x+7)= ?

Multiply each term of 2nd bracket with the 1st bracket:

=7x²(x²-6x-3) -4x(x²-6x-3) +7(x²-6x-3)

=7x^4-42x^3-21x^2-4x^3+24x^2+12x+7x^2-42x-21

Now solve the like terms:

=7x^4-46x^3+10x^2-30x-21

Therefore the answer is (x²-6x-3)(7x²-4x+7)=7x^4-46x^3+10x^2-30x-21 ....

5 0
3 years ago
Help please please help help me!!!!
Flura [38]

Answer:

I got 126.12 in my notes

Step-by-step explanation:

4 0
2 years ago
A disc has a diameter of centimeters while a mini disc has a diameter of centimeters. Write the ratio of the mini disc diameter
Dafna1 [17]

Answer:

2 : 3

Step-by-step explanation:

A disc has a diameter of 21 cm while a mini disc has a diameter of 14cm. Write the ratio of the mini disc diameter to the disc diameter.

Answer: Let the diameter of the mini disc be d_1 while the diameter of the disc be d_2. To get the ratio of the mini disc diameter to the disc diameter, we just simply have to divide the diameter of the mini disc by the diameter of the disc and then represent the fraction in ratio form. The ratio of the disc diameters is given by:

Ratio of the mini disc diameter to the disc diameter = Diameter of mini disc / diameter of disc

Ratio of the mini disc diameter to the disc diameter = \frac{14}{21}=\frac{2}{3}

Ratio of the mini disc diameter to the disc diameter = 2 : 3

3 0
3 years ago
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+70,0000 . What is the difference in the popul
Sindrei [870]

Answer:

25,800

Step-by-step explanation:

Plug in 4 everytime you see T.

multiple-150 times 4 plus 50000 which gives you 49,400.

then multiple 50 times 4 and add 75000, giving you 75,200 then subtract 75,200 - 49,400 which you end up with 25,800.

hope this helped

5 0
1 year ago
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