Mathematics High School

someone please help! important.

Answers

Answer 1

Answer:

x = 4.9t²

Step-by-step explanation:

x is directly proportional to t²

x = kt²

When t = 2 , x = 19.6

Substitute into the equation

x = kt²

19.6 = k * 2²

19.6 = k * 4

19.6 = 4k

k = 19.6/4

k = 4.9

Substitute the value of k into the equation:

x = kt²

x = 4.9t²

Related Questions

Kevin just put 20.26 gallons of fuel into his car. There were 3.9 gallons in the car to begin with. How much fuel is in Kevin's car now?
HELPP

Answers

Answer:

24.16

Step-by-step explanation:

1
Which expression can be simplified as this?

Answers

Answer and Step-by-step explanation:

The answer would be the last answer choice.

[tex](n^{-3} )^{6}[/tex]

Exponents that are the being raised by another exponent get multiplied, so 6 times -3 is -18.

When a number/variable has a negative exponent, the number/variable will be put under 1, and the exponent will change to be positive.

#teamtrees #PAW (Plant And Water)

Pleaseee help!!!
James’ stock dropped 2 points each day over the last 5 days.
How many points has James’ stock dropped?

Answers

Answer:

10 points

Step-by-step explanation:

since they only said 5 days and each day 2 points drop.

1 day = 2 points

5 days = 2 x 5 = 10 points

its a angle question.

PLS HELP

Answers

OK,
this is an equilateral triangle, and by the indicators on the lines, we know the bottom angles have to be the same
we also know that angles in a triangle sum to 180
with this information we can work out the angle x

180 - 24 = 156
156/2 = 78

The answer is 78

Plssss help meeee I need help??

Answers

Answer:

The y-intercept will be moved 11 units downward.

Step-by-step explanation:

The perimeter of the triangle is 202cm. Using that find the value of x

Answers

Answer:

x = 13

Step-by-step explanation:

3x + 12 + 5x + 16 + 4x + 18 = 202

combine like terms

12x + 12 + 16 + 18 = 202

12x + 46 = 202

-46 -46

12x = 156

divide by 12

x = 13

Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!!

-Lil G

Add all the sides together (don´t forget parenthesis) Put the x´s with the x´s and the same with the other numbers. The subtract additional numbers from the total. The divide what left from the number in front of the x.

(3x + 12) + (5x + 16) + (4x + 18) = 202

8x + 28 + (4x + 18) = 202

12x + 46 = 202

- 46 -46

12x = 156

/12 /12

x = 13

The square root of 150 lies between which two consecutive integers?
O 10 and 11
O 11 and 12
O 12 and 13
O 149 and 151

Answers

Answer:

12^2 = 144 and 13^2 = 169

So, the answer is 12 and 13

Step-by-step explanation:

How do I know where to put numbers on a graph

Answers

Answer:

X axis is on the left of the Coordinates (x,y) and Y axis is on te right

X goes sideways

Y goes Vertical

Step-by-step explanation:

Which point lies on the bisector?

Answers

Answer:

Point Y

Step-by-step explanation:

I have attached a picture of me showing which point lies on the bisector since it says to bisects <C of polygon ABCDE.

Hope this helps, thank you :) !!

Point y is the one on the bisector

June was thinking of a number. June doubles it, then adds 18 to get an answer of 90.7. What was the original number?

Answers

Answer:

36.35

Step-by-step explanation:

2x×18=90.7

2x=72.7

x=36.35

In its first two months, a small business had profits of -$402 and -$390. If
the total profit for the first five months was -$1038, what was the average
profit for months 3-5? Show your work.

Answers

Answer:

-$82

Step-by-step explanation:

-402 + -390 = -792

-1038 - -792 = -246

Since you are trying to find it for the remaining 3 months you divide by 3.

-246/3 = -$82

A student need to fill a tank with 9 liters of water. How many 1/3 liters will it take to fill the tank?

Answers

Answer:

Number of [tex]\frac{1}{3}[/tex] liters required to fill the tank = 27

Step-by-step explanation:

Amount of water needed to fill the tank = 9 liters

Measure of water to fill a vessel = [tex]\frac{1}{3}[/tex] liters

Number of [tex]\frac{1}{3}[/tex] liters vessels required to fill the tank = [tex]\frac{9}{\frac{1}{3}}[/tex]

= 9 × [tex]\frac{3}{1}[/tex]

= 27

Therefore, number of [tex]\frac{1}{3}[/tex] liters required to fill the tank = 27

Write 245,800,000 in scientific notation.

Answers

Answer:

2.485x10^8

Step-by-step explanation:

What is the area? (please help ╥﹏╥)

Answers

Answer:

It should be 28 inches if im not correct but if you do the triangle formula then it would be 14 inches 4 x 7 = 28 but half is 14

Step-by-step explanation:

Help I don’t know answer

Answers

Answer:33

Step-by-step explanation:dwaWDwawawdawd

the ratio of dogs to cats at the local shelter is 2 to 5.there are 20 dogs at the shelter.what is the total number of dogs and cats at the shelter?

Answers

20:50 or if you have to add it 70

C) Ms. Applewhite needs to drive 210 miles to get to Washington, D.C. She has already driven 60 miles. If she drives 30 miles per hour, how
many more hours will she have to drive? Write and solve an equation.

Answers

Answer:

5 hours

Step-by-step explanation:

210-60=150

150/30=5 hours

ANSWER ASAP PLEASE
A right rectangular prism has a height of 2 1/2 inches. Its length is 1/3 inch and its width is 3 feet. What is its volume?

Answers

Answer: 30 inches (2.5 feet)

Step-by-step explanation:

2 1/2 x 1/3 x 36

additive inverse of -4/7

Answers

Answer:

1/7

Step-by-step explanation:

$6.00 times 200 per day times 65.00 per day for saftey

Answers

78,000
................

i need help w this plss

Answers

Answer:

Line a and Line b are parallel. The slopes are equal

Line b is perpendicular to line c. The slopes are different

Step-by-step explanation:

The standard form of an equation is y =- mx+C

m is the slope

Two lines are parallel if they have the same slope and perpendicular if the product of their slope is -1

For Line a: 4x-3y = 2

Rewrite

-3y = -4x+2

y = 4/3 x - 2/3

Slope of line a is 4/3

Line b: y = 4/3x + 2

mx = 4/3x

m = 4/3

slope of line b is 4/3

Line c = 4y+3x = 4

4y = -3x + 4

y = -3/4 x + 1

Slope of line c is -4/3

Since line a and b have the same slope, they arer parallel

mb * mc = 4/3 * -3/4

mb*mc = -1

Since the product of slope of line b and c is -1, they are perpendiclar

PLS HELP!!!

A circle whose radius is 5 meters is divided by a central
angle. The arc subtended by this central angle has a
length of
[tex] \frac{5\pi}{2} [/tex]
meters. What is the measure of the central angle?

Select one:

A: 60°
B: 180°
C: 120°
D: 90°

Answers

Answer:

it's B:180

Step-by-step explanation:

can i have the brainly crown pls

Solve: 2.4y - 3.2 = 4
A y = 0.5
B y = 1.6
C y = 2
D y = 3

Answers

Answer:

y=3 you have to use PEMDAS

Answer:

y=3

Step-by-step explanation:

Combine multiplied terms into a single fraction

2.4y-3.2=4

12y/5 -3.2=4

Add 3.2 to both sides of the equation

12y/5- 3.2+3.2=4+3.2

Simplify

add the numbers 12y/5=7.2

Solution

y=3

Help will reward brainiest!

Answers

Answer:

200 in^2

Step-by-step explanation:

If it only asking the area in yellow, then it is consisted of two squares, for each square, it is 10in * 10 in for area, so for two squares, the area will be 2*10*10 = 200 in^2.

I dont understand graphing

Answers

Answer:

What exactly do you not understand maybe i can help

Step-by-step explanation:

please answer! will mark brainliest!!
THE OPTIONS IN THE DROP DOWN ARE TIME AND DISTANCE

Answers

Answer:

Independent: Time, Dependent: Distace

Step-by-step explanation:

The x Axis is usually independent, it lays on the ground. The Y-axis depends on the x-axis to hold it up up. < little way to remember

HELPP
The coast guard is out to sea and gets notification that two ships need help. One ship is directly west of the coast guard, and the other is directly south, as shown in the image below. The two ships are 6 miles from each other. Which ship is currently closer to the coast guard?

Answers

Answer:

Ship one is closer to the coast guard

I don’t know how to do it please help

Answers

Answer:

37.5

Step-by-step explanation:

First you have to realize that these are similar triangles.

You can do a easy cross multiplication with these types of questions by forming an equation with the similar angles.

put the smaller above the decimal and the bigger one below like this.

[tex]\frac{8}{25}[/tex]=[tex]\frac{12}{x}[/tex]

Now cross multiply

8x=300

x=37.5

Complete the table of values for x + y =6

Answers

Answer:

-2 -1 0 1 2 3

8 7 6 5 4 3

Step-by-step explanation:

one part of one hundred equal parts; 0.01.

Answers

Answer:

0.01, 1%, or 1/100

Step-by-step explanation:

These are all the same.

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