3 years ago

Need help with this one

Mathematics

1 answer:

Aleks04 [339]3 years ago

4 0

Answer:

Attached

Step-by-step explanation:

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Jlenok [28]

Answer:

the answer is 23 on edguniity

Step-by-step explanation:

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3 years ago

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Which point is an x-intercept of the quadratic function f(x)=(x-4)(x+2)

Mademuasel [1]

Answer:

x = - 2 or x = 4

Step-by-step explanation:

To find the x- intercepts let f(x) = 0, that is

(x - 4)(x + 2) = 0

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 2 = 0 ⇒ x = - 2

The x- intercepts are at x = - 2, x = 4

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3 years ago

X^2-7x+10=0?? Please and thank you

Andrej [43]

There are two answers those being x=5 & x=2
explanation in picture

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The distance around the middle of a sphere (the circumference) equals 37.699 in. what is the surface area of the sphere?

podryga [215]

To solve this problem you must apply the proccedure shown below:

1. Clear the radius from the formula for the circumference of a circle and substitute values, as following:

$C=2\pi r\\ r=C/2\pi \\ r=37.699in/2\pi \\ r=5.99in$

2. Substitute the radius calculated into the formula for calculate the surface area of the sphere:

$SA=4\pi r^{2} \\ SA=4\pi(5.99in^{2})\\ SA=450.88in^{2}$

The answer is: $450.88in^{2}$

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3 years ago

Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 1013 kilometers. What is the distance

aalyn [17]

6.8 x 10^13 = 68,000,000,000,000
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6.8 x 10^13 * 1 light year / 9.46 x 10^12 = 7.188 light years.

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3 years ago