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Illusion [34]
3 years ago
5

I NEED HELP ASAP PLEASEEEEEE

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
3 0

Step-by-step explanation:

The answer is 33 because

If Mathew is 13 then twice is 13 x 2 = 26

Then 7 years older so 26 + 7 = 33

vekshin13 years ago
3 0

Answer:

I think the answer is A.

Step-by-step explanation:

I would write the equation using x as Mathew's sisters age so his sister's age is 2x + 7 = 13 and then solve for x. Subtract 7 from both sides which leaves

2x = 6, divide both sides by 2 which is 3. Hope that helps.

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Vlad [161]

Answer:

He should enter the lottery

Step-by-step explanation:

8 0
3 years ago
If 4 times the sum of a number and 3 is six less than twice the number, what is the number?
Nat2105 [25]

Answer:

-9

Step-by-step explanation:

4(n + 3) = 2n - 6

4n + 12 = 2n - 6

2n = -18

n = -9

3 0
2 years ago
Use the table below to find the product of the two polynomials.
Valentin [98]
(x^2 - 1)(x^6 + x^4 + x^2) =
x^2(x^6 + x^4 + x^2) - 1(x^6 + x^4 + x^2) =
x^8 + x^6 + x^4 - x^6 - x^4 - x^2 =
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8 0
3 years ago
(x+15)<br> (3x-35)<br> If the angles are congruent, what is x?
Arada [10]

Answer: x = 25

Step-by-step explanation:

If these angles are congruent, that means they are equal. Using that information, we can frame the following equation:

(x+15) = (3x-35)

To find 'x', we just need to solve the above equation.

(x+15) = (3x-35)

x+15 = 3x-35

x-3x = -35-15

-2x = -50

x = 25.

Therefore, 'x' is 25 degrees.

7 0
3 years ago
What is the place value for 9 and 7 for the number 12354897
icang [17]
7 is in the ones place value.
9 is in the tens place value.

Hope this helps.
-Benjamin
7 0
3 years ago
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