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3 years ago

2 + 90 - x = 10 Its pretty ez ( I want to give back to the community and give so ez points)

Mathematics

2 answers:

fenix001 [56]3 years ago

8 0

Answer:

x=82 hope this helps!

Step-by-step explanation:

2+90−=10

2+90−x=102+90-x=102+90−x=10

Solve

Add the numbers

2+90−=10

92−=10

Rearrange terms

Subtract

929292

from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

Solution

2+90−=10

2+90−x=102+90-x=102+90−x=10

Solve

Add the numbers

2+90−=10

92−=10

Rearrange terms

Subtract

929292

from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify

Solution

=82

Allushta [10]3 years ago

7 0

Answer:

x=82

Step-by-step explanation:

2+90-x=10

2+90=10+x

92=10+x

82=x

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Answer:

Step-by-step explanation:

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3 years ago

An astronaut on the moon throws a baseball upward. The astronaut is 6 ft 6 in tall, and the initial velocity of the ball is 40 f

weqwewe [10]

Answer:

t = 0.293 s and 14.52 s

Step-by-step explanation:

The heights of the ball in feet is given by the equation as follows :

$S = -2.7t^2+40t+6.5$

Where t is the number of seconds after the ball was thrown.

We need to find is the ball 18 ft above the moon's surface.

Put S = 18 ft

$-2.7t^2+40t+6.5=18\\\\-2.7t^2+40t=18-6.5\\\\-2.7t^2+40t-11.5=0$

It is a quadratic equation. Its solution is given by :

$t=\dfrac{-40+\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)},\dfrac{-40-\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)}\\\\t=0.293\ s,14.52\ s$

So, the ball is at first 0.293 s and then 14.52 s above the Moon's surface.

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3 years ago

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3 years ago

Select all the zeros of the function f(x) = (x + 10)(x - 5)(x + 1).

allochka39001 [22]

Answer:

-10, 5,-1

Step-by-step explanation:

Set each parentheses to 0

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x=-10

repeat

x-5=0 to x=5

x+1=0 to x=-1

3 0

3 years ago