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3 years ago

What is the prime factor of 8?

Mathematics

2 answers:

VLD [36.1K]3 years ago

4 0

Answer:

The prime factor of 8 is (2)(4) or 2³ as you prefer or how your writing it on you class

fgiga [73]3 years ago

3 0

2 because it cannot be factored down any further

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An elliptical culvert is 3.5 feet tall and 6 feet wide. It is filled with water to a depth of 0.95 feet. Find the width of the s

maks197457 [2]

Answer:

$W_s \approx5.3$

Step-by-step explanation:

From the question we are told that

Height $H=3.5ft$

Weight $W= 6ft$

Depth $D=0.95ft$

Generally the equation for ellipses is given as

$\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

Where

$b=H/2\\b=3.5/2\\Therefore\\b=1.75\\a=W/2\\a=6/2\\Therefore\\a=3\\$

$\frac{x^2}{3^2} +\frac{y^2}{1.75^2} =1$

Generally to find y in the equation $\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

$y=-b+d$

$y=-1.75+0.95$

$y=-0.8$

Therefore

$\frac{x^2}{3^2} +\frac{(0.8)^2}{1.75^2} =1$

$\frac{x^2}{3^2} =1-\frac{(0.8)^2}{1.75^2}$

$\frac{x^2}{3^2} =1-0.2089795918$

$X^2 =3^2(1-0.2089795918)$

$X^2 =7.119183674$

$X =\sqrt{7.119183674}$

$X =2.66817984$

Therefore the width of the given stream is

$W_s=2.66817984*2$

$W_s=5.33635968$

$W_s \approx5.3$

3 0

3 years ago

Which percent is equivalent to 1/2 ? 1% 2% 25% 50%

postnew [5]

Answer:

1/2 = 50%

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

The length of the base of a rectangular prism 8 inches the width of a prism 4 1/2 inches and the height is 3 1/2 inches what is

Angelina_Jolie [31]

Answer:

126 cubic inches.

Step-by-step explanation:

8 × 4.5 × 3.5 = 126

5 0

3 years ago

Read 2 more answers

A plane flies 1440miles at a speed of 240mph.<br> How long does it take?

Alexeev081 [22]

The best thing to do is to divide 1440 by 240, which will allow you to find a unit rate (which will be the length of time that the journey takes) 1440/240= 6. Therefore, the journey takes 6 hours Hope this helps :)

7 0

3 years ago

Circle Y has an area of 394.38cm ^ 2 . What is the circumference? Use 3.14 for pi Round to the nearest hundredth.

Oduvanchick [21]

Answer:

70.38 cm

Step-by-step explanation:

π = 3.14

Area of a circle = πr^2

394.38 = πr^2

125.598726 = r^2

r = 11.2070837 cm

Circumference = 2πr

C = 70.3804856 cm

6 0

2 years ago