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2 years ago

How to know where the ( ) go in a math problem

Mathematics

2 answers:

Lisa [10]2 years ago

5 0

Also
2(3)=6 show as multiplication

jonny [76]2 years ago

4 0

I hope this helps

the brackets can represent multiplication or group large
for example

5 × 4 + 7 × 9
(5 × 4) + (7 × 9)
20 + 63
= 83

or

73 + 92 + 54 + 96 × 6

(73 + 92) + (54 + 96) × 6

165 + 150 × 6

315 × 6

= 1890

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Find the area of the trapezoid.

Usimov [2.4K]

Answer:

$\large\boxed{A=54\ m^2}$

Step-by-step explanation:

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdor h$

b₁, b₂ - bases

h - height

We must use the Pythagorean theorem:

$x^2+8^2=10^2$

$x^2+64=100$ subtract 64 from both sides

$x^2=36\to x=\sqrt{36}\\\\x=6\ m$

We have b₁ = 6 + 6 = 12m, b₂ = 6m and h = 8m.

Substitute:

$A=\dfrac{12+6}{2}\cdot6=\dfrac{18}{2}\cdot6=(9)(6)=54\ m^2$

4 0

3 years ago

True or False? Whole Numbers (W) are a subset of Integers (Z) O True False

sladkih [1.3K]

Answer:

true

Step-by-step explanation:

bc the integer equals to the subset

3 0

3 years ago

Can someone pls help me

olga55 [171]

32-20 = 12

14-2 = 12

so the input is 12 more than the output

so 6+12 = 18

and

-10-12 = -22

4 0

3 years ago

Read 2 more answers

Simplify 2^3/7 • 2^1/4

poizon [28]

Answer:

4/7Hope this helps :)

Step-by-step explanation:

Exact form:4/7

Decimal form:0.571428

7 0

2 years ago

How do you solve? Evaluate a + b for a = 34 and b = negative 6.

Darina [25.2K]

A+b
34+(-6)
34-6
28
I think I did this write

4 0

3 years ago