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Oduvanchick [21]
3 years ago
12

Use mental math to find the sum. 53 + 38

Mathematics
2 answers:
Inga [223]3 years ago
7 0

Answer:

91

i did it in my head!

arlik [135]3 years ago
6 0
91 is the answer to your question:)
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If 1/3 of a set of numbers is 8 how many numbers are in the total set ?
Eduardwww [97]

Answer:

24

Step-by-step explanation:

1/3 = 8

3/3 = 8*3

7 0
3 years ago
Which of the following steps can be performed so that the square root property may easily be applied to 2x2 = 16? (1 point)
Ivan

Answer:

\Large \boxed{\mathrm{Option \ 2}}

Step-by-step explanation:

2x^2 =16

The square root property requires a quantity squared by itself on one side of the equation. The only quantity squared is x, so divide both sides by 2 before applying the square root property.

The x variable should be isolated on one side of the equation. The x variable is squared so before performing the square root property where we take the square root of both sides, we divide both sides by 2, then take the square root of both sides.

Dividing both sides by 2.

\displaystyle \frac{2x^2 }{2} =\frac{16}{2}

x^2 =8

Taking the square root of both sides.

\sqrt{x^2 } =\pm \sqrt{8}

x=\pm 2\sqrt{2}

7 0
3 years ago
Read 2 more answers
Why can you use Linear Pairs and Vertical Angles to prove lines are parallel?
natta225 [31]

Answer:

The reason why linear pairs and vertical angles are used to prove lines are parallel is because they area transversal drawn through the parallel lines will form angles on each of the two parallel lines including;

1) Supplementary linear pairs  and

2) Vertical angles

3) Alternate angles

Given that either;

a) The corresponding angles that form the linear pairs are congruent

b) The corresponding vertically opposite angles are congruent

c) The corresponding alternate angles are congruent, we have;

The two lines are said to be parallel.

Step-by-step explanation:

5 0
3 years ago
Ahmed buys a house worth 268,000 pounds and its value rises at a compound rate of x% per year.
levacccp [35]
It would be .546% increase per year. You divide 292662.70 by 268000 and get 1.092025 and then divide by 2 for the years and get .546. Hope this helps
8 0
2 years ago
Domain and Range for this equation? F(x)= 3x^7+0x^6-0x^5-2x^4-3x^3-2x^2-x^1+x^0
sp2606 [1]
The domain is equal all real numbers
D=\mathbb{R}

The degrees of the polynomial is odd (3x^7, 7 is odd), therefore the range is equal all real numbers

R=\mathbb{R}
8 0
3 years ago
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