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3 years ago

12 x 4 + 36 ÷ 4 - 37

1 answer:

4 0

The answer is 20 you do multiplication first then the division, add what both the numbers that you got. Then subtract 37 and you get 20

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boyakko [2]

Answer:ummmmmmmmm

Step-by-step explanation:

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3 0

3 years ago

103 + 21 = _ + 103 please help

lorasvet [3.4K]

This is the commutative property of addition. It basically says, x+y=y+x.
To answer your question, 103+21=21+103

6 0

3 years ago

Read 2 more answers

Choose whether if it is a scalene, isosceles, or equilateral. SIDES: 23 mm, 20 mm, 13 mm, ANGLES: 62^,72^,46^

garri49 [273]

Answer:

It is a Scalene triangle

Step-by-step explanation:

No angles nor any sides are congruent to each other, hence it is a scalene triangle.

3 0

3 years ago

How to do 2/5 = (x-3)/(7x+15)

Zigmanuir [339]

Answer:

$x = - 5$

Step-by-step explanation:

To work out this question you have to first cross multiply.

$\frac{2}{5} = \frac{(x - 3)} {(7x + 15)} \\ \\ 2(7x + 15) = 5(x - 3)$

When you cross multiply you will get the equation above. Therefore

$(2 \times 7x) + (2 \times 15) = (5 \times x) \\ - (5 \times 3) \\ \\ 14x + 30 = 5x - 15 \\ \\ 14x - 5x = - 30 - 15 \\ \\ 9x = - 45$

Therefore

$\frac{9}{9} x = \frac{ - 45}{9} \\ \\ x = - 5$

6 0

2 years ago

Read 2 more answers

In the sequence generated by the formula an=(-1)^n+1(5)^n, which of the following terms has the greatest value? Assume an > 0

marishachu [46]

Answer:

c a(n+10)

Step-by-step explanation:

[(-1)^(n+1)] × (5^n)

an > 0

a(n+5) = (-1)⁵ × 5^(n+5) < 0

a(n+10) = (-1)¹⁰ × 5^(n+10) > 0

a(n+15) = (-1)¹⁵ × 5^(n+15) < 0

Since a^n is positive, n is even

Odd powers of -1 are negative

5 0

3 years ago