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joja [24]
3 years ago
12

Factor the expression completely: x⁴ + 27x

Mathematics
2 answers:
Aleks04 [339]3 years ago
8 0
See attached picture for answer:

il63 [147K]3 years ago
7 0
I dont know if this is right but here u goo

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What is the value of x? (1st image)
cluponka [151]
2nd image

Yes, if you rotate it 360 degrees,
8 0
3 years ago
Chad drove 168 miles in 3 hours and has 280 more miles to go. How fast (in miles per hour) did he drive the first 3 hours? Expla
Margarita [4]
<span>How fast (in miles per hour) did he drive the first 3 hours? "He drove 56mph the first 3 hours."

Explain how you got your answer. "I got my answer by divding the miles he drove (168) by how many hours it took (3) to get 56."

If he continues to drive at that rate, how many hours will it take him to go the 280 more miles? "It will take him 5 more hours."

Explain how you got your answer. "I divided the miles he needs to travel (280) by the mph he would be going (56)."</span>
4 0
2 years ago
The volume of a large tank is 210 ft3. It is 5 3/5
IRISSAK [1]

Answer:

20 5/6 ft

Step-by-step explanation:

5 3/5 = 28/5

1 4/5 = 9/5

V = l * w * h

210 = l * 28/5 * 9/5

210 = l * 252/25

multiply both sides by 25/252

5250/25 = l

Reduce

20 5/6 = l

20 5/6 ft

6 0
2 years ago
Alright need answers 29-31 please reply To This question That I posted
pickupchik [31]

Answer:

29: A

30: $7.50

31: number of dots in total:

1) 0 dots

2) 1 dot

3) 1 dot

4) 3 dots

5) 1 dot

6) 1 dot

7) 1 dot

8) 0 dots

Step-by-step explanation:

8 0
3 years ago
Solve the right triangle. Round decimal answers to the nearest tenth.
AnnZ [28]

Answer:

See solution below

Step-by-step explanation:

According to pythagoras theorem

hyp^2 = opp^2 + adj^2

10^2 = 4^2 + b^2

100 = 16 + b^2

b^2 = 100-16

b^2 = 84

b = √84

b ≈ 9

Using SOH CHA TOA identity

sin B = AC/AB

Sin B = 9/10

B = arcsin0.9

B ≈ 64degrees

sinA = BC/AB

Sin A = 4/10

A = arcsin0.4

A ≈ 24degrees

5 0
2 years ago
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