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2 years ago

Somebody help me please (10th grade geometry)

Mathematics

1 answer:

sertanlavr [38]2 years ago

7 0

Thinks it b because it going to be a different size

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What is the solution to (4x – 23) 2 – 3 = 2?

deff fn [24]

Step-by-step explanation:

(4x-23)2-3=2

(4x-23)(-1)=2

4x-23= -2

4x= -2+23

=21

x=21/4

=5.2

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3 years ago

Equivalent Expressions for 6(4t+5)+2

Radda [10]

Answer:

48t + 60

Step-by-step explanation:

hope this helps!!

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2 years ago

What point on the unit circle corresponds to an angle of 173º

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3 years ago

A diving board is 10 feet above the surface of the water. At time t = 0, the board propels Chris upward at a rate of 12 feet per

Art [367]

Answer:

Chris will take 0.75 seconds to return to his starting height of 10 feet.

Step-by-step explanation:

Let the height of Chris be represented by $h(t) = -16\cdot t^{2}+12\cdot t +10$ , where $h(t)$ is the height in feet and $t$ , the time in seconds. First, we equalize the formula to a height of 10 feet and simplify the resulting expression, that is:

$-16\cdot t^{2}+12\cdot t +10 = 10$

$-16\cdot t^{2}+12\cdot t = 0$

Then, we simplify the expression by algebraic means:

$-16\cdot t\cdot \left(t-\frac{3}{4} \right) = 0$

Roots of the polynomial are, respectively:

$t = 0\,s\,\lor \,t = 0.75\,s$

First root represents the initial height of Chris, whereas the second one represents the instant when Christ returns to the same height above the surface of the water. Hence, Chris will take 0.75 seconds to return to his starting height of 10 feet.

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3 years ago

Anyone know how to do #3 on this trig worksheet

STatiana [176]

The answer I'm pretty sure is B but I can't really explain it, sorry

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3 years ago