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alex41 [277]
3 years ago
7

If the list price is $500 and the trade discount rate is 20%, what is the complement rate?

Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

500 \div 20

100

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The lateral area of a cone is 400 pi cm squared. The radius is 10 cm. Find the slant height to the nearest tenth.
Ilia_Sergeevich [38]

Answer:

Option A. 40\ cm

Step-by-step explanation:

we know that

The lateral area of a cone is equal to

LA=\pi rl

we have

LA=400\pi \ cm^{2}

r=10\ cm

substitute and solve for l (slant height)

400\pi=\pi (10)l

simplify

400=(10)l

l=400/10=40\ cm

8 0
2 years ago
Question ok iterations help would be greatly appreciated!
Alexandra [31]

your answer would be A. I would hope this is right

6 0
3 years ago
PLEASE HELP! Which ordered pairs are solutions to the inequality y-4x (greater than or equal to) -5? Select each correct answer
Wittaler [7]

(-2, 1), (-4, 2) and (1, -1) are solutions to given inequality y-4x (greater than or equal to) -5

<u>Solution:</u>

Given, inequality is y – 4x ≥ - 5

We have to find the correct answers from given options

<em><u>We have to check option by option. </u></em>

Now, (-2, 1) ⇒ 1 – 4(-2) ≥ - 5 ⇒ 1 + 8 ≥ -5 ⇒ 9 ≥ -5 ⇒ correct answer.

Now, (-4, 2) ⇒ 2 – 4(-4) ≥ -5 ⇒ 2 + 16 ≥ - 5 ⇒ 18 ≥ - 5 ⇒ correct answer

Now, (1, -1) ⇒ -1 – 4(1) ≥ - 5 ⇒ -1 – 4 ≥ - 5 ⇒ -5 ≥ -5 ⇒ correct answer

Now, (4, 0) ⇒ 0 – 4(4) ≥ - 5 ⇒ -16 ≥ -5 ⇒ wrong answer

Now, (5, -2) ⇒ -2 – 4(5) ≥ - 5 ⇒ -2 – 20 ≥ -5 ⇒ -22 ≥ -5 ⇒ wrong answer

Hence, (-2, 1), (-4, 2) and (1, -1) are solutions to given inequality.

8 0
2 years ago
The vertex form of the equation of a parabola is y = 2(x + 4)2 - 21.
Ronch [10]

Answer:

y = 2x^2 + 16x + 11

Step-by-step explanation:

2(x + 4)^2 - 21

2(x + 4)(x + 4) - 21

2(x^2 + 8x + 16) - 21

2x^2 + 16x + 32 - 21

2x^2 + 16x + 11

6 0
3 years ago
Ms. Golding managed to get discount tickets to a BTS concert. At the concert venue, a hot dog costs $4 each, while bottles of so
konstantin123 [22]

Each hot dog is x, and costs $4. Each soda is y, and costs $3.

A.

4x + 3y = 33

B.

4x + 3y = 33

4 * 3 + 3y = 33

12 + 3y = 33

3y = 21

y = 7

7 bottles of soda.

8 0
3 years ago
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