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3 years ago

Give an example of a time when finding the percentage of a number would be useful. Explain.

1 answer:

4 0

When you're out shopping and something you want to buy is on sale. You can take the original price and give it's percentage to find out how much it really is.

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2(x-3)=3/4(8x-12)<br> step by step please

Umnica [9.8K]

Answer:

$x = \frac{3}{4}$

Step-by-step explanation:

$2(x-3)=\frac{3}{4} (8x-12)$

$2x-6 = \frac{3}{4}8x- \frac{3}{4} 12$

$2x-6 = 6x - 9$

$-6+9 = 6x - 2x$

$3 = 4x$

$x = \frac{3}{4}$

7 0

3 years ago

What are the fourth roots of -3+3√3i?

barxatty [35]

Answer:

Set

−

√

equal to

−

√

Since

−

√

≠

, there are no solutions.

Step-by-step explanation:

3 0

3 years ago

Help <br> 50 points and brainleist

UkoKoshka [18]

Answer: -0.5c

Step-by-step explanation: multiply -2.5 by 1/5 (0.2) and you get -0/5

3 0

3 years ago

Read 2 more answers

Help me pleaseeee (10 points )

krek1111 [17]

Answer
It would be 14
Explanation
Bababoey is fhe explantion

5 0

3 years ago

Read 2 more answers

Help me with a. b. c. I need help

hammer [34]

Answer:

a) Perimeter = 20.5 Inches

Area is 15 Sq Inches

b) Perimeter is 61.4 Cms

Area is 210 Sq cm

c) Perimeter is 22 yards

Area is 21 Sq Yards

Step-by-step explanation:

a) Perimeter = sum of all the sides

= 8+7.5+5

=20.5

Perimeter = 20.5 Inches

Area of Triangle = $\frac{1}{2} \times height \times Base$

Base = 7.5 In

Height = 4 In

$A = \frac{1}{2} \times 4 \times 7.5$

$A = 2 \times 7.5$

$A = 15$

Hence Area is 15 Sq Inches

b) Perimeter = Sum of all the sides

P=13+23+13.4+12

P=61.4

Perimeter is 61.4 Cms

Area of trapezium = $\frac{1}{2} \times height \times (sum \ of \ parallel \ sides)$

$A= \frac{1}{2} \times 12 \times (12+23)$

$A= 6 \times 25$

$A=210$

Area is 210 Sq cm

c) Perimeter = Sum of all the sides

P = 7+4+7+4 ( as Opposite sides are equal in a parallelogram

P = 22

Perimeter is 22 yards

Area of a parallelogram = $base \times height$

$A= 7 \times 3$

$A = 21$

Area is 21 Sq Yards

3 0

3 years ago