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3 years ago

Plssssss helppp il mark brainliest i promise

Mathematics

1 answer:

bekas [8.4K]3 years ago

4 0

Answer:

First one

Step-by-step explanation:

B and C aren't it as you cannot produce a negative amount of things. D is also incorrect as its range is exclusively stuff above the $225,000 they're trying to stay below. A is correct as it shows the positive range of values that stay below $225,000

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Sara jumps off a diving board that is 6 feet above the surface of the water her height above the surface of the water h in feet

Flauer [41]

Well when she hits the water h=0 so

2t^2-t-6=0 factor

2t^2-4t+3t-6=0

2t(t-2)+3(t-2)=0

(2t+3)(t-2)=0, since t>0

t=2 seconds...

However it should be noted that h(t)=-2t^2+t+6 implies that

v(t)=dh/dt=-4t+1 and

a(t)=dv/dt=-4

Since this is a free fall equation, this would suggest that the acceleration due to gravity is -4, whether that is supposed to be -4ft/s^2 or -4m/s^2, it certainly is not on this planet! :D If it is -4ft/s^2 it could be on the Moon or if it is -4m/s^2 it could be on Mars.

7 0

3 years ago

What is t+1/5=t+7/8? What is the value of t? There should be 2 values and the slashes are fractions

muminat

There is NO solution.

Cancel t on both sides (1/5 = 7/8).

Since 1/5 = 7/8, that doesn't make any sense so that is inapplicable ( So NO answer).

4 0

3 years ago

What is the square root of 56 in radical form

V125BC [204]

$\sqrt{56} \\ \\ \sqrt{7*8} \\ \\ \sqrt{7*4*2} \\ \\ \sqrt{7*2*2*2} \\ \\ 2 \sqrt{7*2} \\ \\ 2 \sqrt{14}$

7 0

3 years ago

The question is in the pic.

vodka [1.7K]

Answer:

$100

$120 in and $20 out

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Here's a question ~

Gre4nikov [31]

Answer:

(0, 5√3/2 + 2)

Step-by-step explanation:

Given is the absolute value function.

Observations:

It has a slope of ±√3 and the y- intercept of 2.
There is no horizontal shift, so the the y-axis is the line of symmetry.
The y-axis is also an angle bisector of the two lines.
The foot P₁P₂ is parallel to the x-axis since it's perpendicular to the y- axis.

We need to find the coordinates of intersection of the line P₁P₂ with the y- axis (the point Y in the picture).

Consider the triangle AYP₂.

We know AP₂ = 5.

The angle YAP₂ is:

arctan (1/√3) = 30°

The distance AY is:

AY = AP₂ cos 30° = 5*√3/2

The distance from the x-axis to the point Y is:

5√3/2 + 2, added the y- intercept of the graphed lines

The coordinates of the point Y:

(0, 5√3/2 + 2)

3 0

3 years ago