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Lina20 [59]
3 years ago
12

Can anyone answer these 4?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0
1. -3p^3+7p^2-3
2.5a^2x(a-1)
3.6+7n^3
4.-6n^3
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∠A=5x−15 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 5, x, minus, 15, degrees, end color #1
andreyandreev [35.5K]

Answer: 45°

Step-by-step explanation:

Given that :

∠A=5x−15°---(1)

∠B=2x+21°----(2)

Equating

∠A = ∠B

(5x−15)° = (2x+21)°

5x - 15 = 2x + 21

Collecting like terms

5x - 2x = 21 + 15

3x = 36

x = 12

Substitute x = 12 in either angle A or B since both are congruent

∠A=(5x−15)°

∠A = (5(12) - 15)°

∠A = (60 - 15)°

∠A = 45°

∠A = ∠B = 45°

4 0
3 years ago
Karen paid $43.70 for a book. The price of the book was $40. What was the sales tax rate?
astraxan [27]
43.70 / 40 = 1.0925

1.0925 - 1 = 0.0925 = 9.25%

answer: <span>b.9.25%</span>
7 0
3 years ago
Read 2 more answers
Georgina likes to read during her summer break. The table below shows the number of pages in each book she read last summer and
Burka [1]

The correct answer would be:

B. The number of pages in each book varied more last summer than this summer.

Step-by-step explanation:

I was doing my test and this was the correct answer. Sorry if this is too late for you.! I hope you have a great day.

3 0
3 years ago
Write each statement as a decimal to two decimal places. $6.00 to 95 cents = 3 hours to 35 minutes = 42 inches to 2 feet = (Hint
Kruka [31]

Answer/Step-by-step Explanation:

The above given statements can be written as decimals by first writing both quantities in a statement in the same unit.

1. $6.00 to 95 cents:

This is same as $6.00 : 95 cents = \frac{6.00}{95}

Convert $6 .00 to cents to make both quantities be in the same unit.

$1 = 100 cents

$6.00 = 6*100 = 600 cents

\frac{600}{95} = 6.32 (to 2 d.p)

2. 3 hours to 35 minutes:

Convert 3 hours to 35 mins

1 hr = 60 mins

3 hrs = 3*60 = 180 mins

180mins : 35 mins = \frac{180}{35} = 5.14 (2 d.p)

3. 42 inches to 2 feet:

Convert 2 ft to inches

1 ft = 12 inches

2ft = 2*12 = 24 inches

42 in:24 in = \frac{42}{24} = 1.75

8 0
3 years ago
∣∣x+34∣∣=−11, How do you solve this
VMariaS [17]

Answer:

The answer is No Solutions

Step-by-step explanation:

Since this is absolute value, we know the answer has to be positive, because distance has to be positive. We see it is negative, and that cannot be, so the answer is no solutions.

3 0
3 years ago
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