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Alex Ar [27]
2 years ago
15

Hey guys help me with this question plzzzzzz​

Mathematics
1 answer:
Ad libitum [116K]2 years ago
5 0

Answer:

625 cm³ and 64000 cm³

Step-by-step explanation:

Given

x = \sqrt[3]{V} ( cube both sides )

x³ = V

(a)

x = 25 cm , then

V = 25³ = 625 cm³

(b)

x = 40 cm , then

V = 40³ = 64 000 cm³

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16.985 in word form?
Shkiper50 [21]
Sixteen point nine hundred eighty five

6 0
3 years ago
A sled is being pulled across a floor by two ropes such that the angle between them is 40°. If the forces on the ropes are 100 p
Dafna1 [17]

Answer:

option 4 ⇒ 236 lb.

Step-by-step explanation:

Best explanation of the question is as shown in the attached figure.

we will use the parallelogram method to calculate resultant force.

to get the length of the resultant force ⇒ use the cosines law

The cosine law is a² = b² + c² - 2 * b * c * cos (∠A)

Applying at the question where b = F₁  , c = F₂  and  ∠A = ∠x

Given that F₁ = 100 pounds  , F₂ = 150 pounds  and  ∠x = 180° - 40° = 140°

∴ (Resultant force)² = 100² + 150² - 2 * 100 * 150 * cos (∠140) = 55481

∴ Resultant force = √55481 = 235.54 ≅ 236 pounds

The answer is option 4 ⇒ 236 lb.

8 0
3 years ago
Ben has 1/2 of a loaf of bread if he and his 3 friends share the 1/2 loaf equally how much of the whole loaf does each person ge
Dvinal [7]
Given:
1/2 loaf of bread
3 friends

1/2 ÷ 3 ⇒ 1/2 * 1/3 = 1*1 / 2*3 = 1/6

In dividing fractions, get the reciprocal of the divisor and multiply it to the dividend
6 0
3 years ago
Read 2 more answers
The average of eight numbers is 56. When one of the numbers was left out, the mean decreased to 54. What number was left out?
Alexandra [31]

The number that was left out is 70.

<h3>What is the number that was left out?</h3>

Average is the sum of a set of numbers divided by the total numbers in the data set.

Average = sum of numbers / total numbers

  • Sum of numbers when there are 8 numbers = 56 x 8 = 448
  • Sum of numbers when there are 7 numbers = 54 x 7 = 378
  • Difference = 448 - 378 = 70

To learn more about average, please check: brainly.com/question/25842202

#SPJ1

4 0
2 years ago
Pwease help me anyone. thanks :-) :-) :-) :-) :-) :-) :-) :-)!!!!
adell [148]
A)
x+3

b)
x(x+3)=340\\&#10;x^2+3x-340=0

c)
x(x+3)=340\\ x^2+3x-340=0\\&#10;\Delta=3^2-4\cdot1\cdot(-340)=9+1360=1369\\\sqrt{\Delta}=37\\&#10;x_1=\dfrac{-3-37}{2}=-20\\&#10;x_2=\dfrac{-3+37}{2}=17

It's 17.
3 0
3 years ago
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