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2 years ago

PLS HELP ME ASAP ON THIS,

Mathematics

1 answer:

kkurt [141]2 years ago

7 0

1. The usable domain of the function is the time period from when the object was dropped (t=0) to when it hits the ground (h(t) = 0, at t=3). The appropriate choice for domain is ...
2) 0 ≤ t ≤ 3

The appropriate choice for range is the range of heights the object may have:
3) 0 ≤ h(t) ≤ 144

2. The domain is a count of people, ...
1) positive integers

The domain is an amount of money, ...
2) positive real numbers

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The tank at a gas station contained 400 gallons of gas. A tanker truck that contained 8,100 gallons of gas filled the station's

spin [16.1K]

Answer:

1300

Step-by-step explanation:

Let the amount put in the station's tank = x

4(400 + x) = 8100 - x Remove the brackets

1600 + 4x = 8100 - x Subtract 1600 from both sides

1600 - 1600 + 4x = 8100 - 1600 - x Do the subtraction

4x = 6500 - x Add x to both sides

4x + x = 6500 - x + x

5x = 6500 Divide by 5

5x/5 = 6500/5

x = 1300

1300 gallons were added to the station's tank.

3 0

3 years ago

Read 2 more answers

I need your Help, please! THX:)

USPshnik [31]

450 miles
1 in. Per 60 miles
460/60 = 7.5 inches

7 0

2 years ago

Read 2 more answers

How would you solve this equation?use words only 2+4=8

QveST [7]

Answer:

x=2

Step-by-step explanation:

First, subtract four on both sides and then divide both sides by 2 to get x=2.

2x+4=8

-4 -4

2x=4

÷ 2 ÷2

x=2

6 0

2 years ago

Sine, cosines and tangent of 30 45 and 60 degrees

bonufazy [111]

Answer:

Sine 30 =

$\frac{1}{2}$

Sine 45 =

$\sqrt{ \frac{2}{2} }$

Sine 60 =

$\sqrt{ \frac{3}{2} }$

Cos 30 =

$\sqrt{ \frac{3}{2} }$

Cos 45 =

$\sqrt{ \frac{2}{2} }$

Cos 60 =

$\frac{1}{2}$

Tan 30 =

$\sqrt{ \frac{3}{3} }$

Tan 45 =

$1$

Tan 60 =

$\sqrt{3}$

Step-by-step explanation:

I hope it helps

3 0

3 years ago

Please indicate which type of sampling design is most appropriate for each of the following studies. The choices are SRS, strati

Komok [63]

Answer:

Following are the responses to the given question:

Step-by-step explanation:

In point 1

The random selection stratified: although 50 statements belong to 5 different groups.

In point 2:

Coincide pair design: As we're in the SAME location to measure the difference between the downstream and upstream fractures. Although when calculating a top-down split they need only to calculate the low-up split which corresponds to the top-down split.

In point 3:

Matched layout: As 100 individuals were chosen and ALL were required to give BOTH and document certain responses.

In point 4:

SRS: RANDOMLY has also been selected since 20 spring break goals.

6 0

2 years ago