Mathematics High School

If a car travels 299.8 miles in 7.5 hours, what is the car's speed? please help quick!

45 mi/hr

27.5 mi/hr

25 mi/hr

40 mi/hr

Answers

Answer 1

Answer:

answer is D

Step-by-step explanation:

speed = distance divide by time.

299.8/ 7 .5

Related Questions

Melody can cycle for 30 miles against the wind in the same amount of
time that is takes her to cycle 66 miles with the wind. If the speed of the
wind is 3 mph, what equation could be used to find Melody's speed
without any wind (x).

Answers

Answer:

15x/2*4

Step-by-step explanation:

Solve:
13/19- (-1/19)

Answers

It’s c I hope it works

Answer:

The answer is C! :) hope that helps haha

Question 4 of 10
Which statement about setting is true as it relates to a story?
A. Setting helps to define a story's point of view.
B. Setting is another word for characterization.
Ο Ο Ο
C. Setting affects character behavior, which drives the plot.
D. Setting comes into play at the end of a story.
SUBMIT

Answers

Answer:

First of all not a math question but wtv

the answer is C since where the story takes place affects what the characters do

Hope This Helps!!!

B setting is another word for characterization

ayy yo who want smok wit me

Answers

Meeeeeeeeeeeeeeeeeeee

Solve for u. (u + 6)(u − 6) = 0

Answers

Answer:

u= 6, -6

Step-by-step explanation:

simplify the equation. Isolate the variable.

Hey there!

(u + 6)(u − 6) = 0

DISTRIBUTE “u” WITHIN the PARENTHESES

u(u) + (-6) + 6(u) + 6(-6) = 0

u^2 - 6u + 6u - 36 = 0

COMBINE the LIKE TERMS

u^2 - 36 = 0

ADD 36 to BOTH SIDES

u^2 - 36 + 36 = 0 + 36

CANCEL out: -36 + 36 because it gives you 0

KEEP: 0 + 36 because it helps solve for the u-value

NEW EQUATION: u^2 = 0 + 36

SIMPLIFY IT!

0 + 36 = 36

NEW EQUATION: u^2 = 36

TAKE the SQUARE ROOT

u = ± √36

u = -6 or u = 6

Therefore, your answer is: u = 6 or u = -6

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

please help ill give brianliest to whoever gets the question right :)

Answers

Answer:

Step-by-step explanation:

I this problem I'm sure you're supposed to multiply: 24 x 3 = 72

hopefully this helped :)

Kareem has $20,000 in his savings account that earns 5% annually. How much interest will he earn in one year?

Answers

Answer:

1000

Step-by-step explanation:

5% of my 20000 is 1000 so 21000 total or 1000 anually

Find the range for the measure of the third side of a triangle given the measures of two sides.
18 ft and 23 ft

Answers

The range for the measure of the third side of the triangle is (5, 38).

What is a triangle?

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

The sum of the angles of a triangle is always 180°

Given that,

Two sides of the triangle are 18 ft and 23 ft.

Let the third side of the triangle is x cm.

Since, the third side is greater than the difference of the remaining sides and less than the sum of the two sides.

Implies that,

23 - 18 < x < 23 + 18

5 < x < 38

The range of the third side varies from (5, 38).

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What type of slope does the graph have!

Answers

Answer:

it either has a postive slope (when lines go uphill from left to right)

a negative slope (when lines go downhill from left to right)

a zero slope (when lines are horizontal)

or a undefined slope (when lines are vertical)

Step-by-step explanation:

hope this helps

Answer:

a negative slope of -2

Explanation:

slope = (y2-y1)/(x2-x1)

points (1,1) (0,3)

x1 = 0 y1 = 3

x2 = 1 y2 = 1

(1-3)/(1-0) = -2/1 = -2

please help me please

Answers

Answer:

x+2y = 5

2x+y=4

x+3y = 5

6x-y = 11

2x+y=10

x-3y=-2

Step-by-step explanation:

solutions of x and y for each system of equation can be solved by graphing

graph the two equations, and the intercepts of the two equations would be the x and y-values, aka the answers

if there are no intercepts, the equations have no solution

Please help with this I will give brainliest

Answers

Answer:

I beleave its 27

Step-by-step explanation:

Students majoring in engineering make up 21% of the students at a university. There are 6,600 total students enrolled at the university, How
many students are majoring in engineering?

Answers

Answer:

Step-by-step explanation:

21 percent of 6600 is 1386.

I'm sorry if I'm wrong.

1. A hat store tracks the state of college and professional team hats for m, months. The number of
college hats sold is represented by (6m+3). The number of professional hats sold is represented by
(5m-2). Write an expressions to show how many more college hats were sold than professional hats.
Then evaluate the expression if m equals 10.
NYS
2. Which expression is equivalents to the expression -3(4x-2)-
2x ? Explain the process you used to find your solution.
A. -8x
B. -16%
C. -14x-2
D. -14x + 6
3. A square scrapbooking page has a perimeter of (8x+20) inches. What is the length of one side of the
scrapbooking page? Show your work.

Answers

1) The expression representing how many more college hats were sold than professional hats is [tex]m+5[/tex]

when [tex]m=10[/tex], [tex]15[/tex] more college hats were sold

2) The equivalent expression to [tex]-3(4x-2)-2x[/tex] is [tex]-14x+6[/tex]. The explanation is found in the steps below

3) The length of one side of the square scrapbooking page will be

[tex](2x+5)\text{ inches}[/tex]. The working is shown below.

1) According to the question, [tex]m[/tex] is the number of months hats were sold.

[tex]6m+3[/tex] is the number of college hats sold in [tex]m[/tex] months

[tex]5m-2[/tex] is the number of professional hats sold in [tex]m[/tex] months

Since [tex]6m+3>5m-2[/tex] when [tex]m>0[/tex]

the expression representing how many more college hats were sold than professional hats is

[tex](6m+3)-(5m-2)\\=6m+3-5m+2\\=m+5[/tex]

when the number of months hats were sold is [tex]10[/tex], [tex]m=10[/tex], and

[tex]m+5=(10)+5=15hats[/tex]

[tex]15[/tex] more college hats were sold in [tex]10[/tex] months

2) To get the equivalent expression to [tex]-3(4x-2)-2x[/tex], carry out the steps below

remove brackets

[tex]-12x+6-2x[/tex]

arrange like terms

[tex]-12x-2x+6[/tex]

simplify like terms

[tex]-14x+6[/tex]

The answer is (D)

3) Let the length of one side of the square be [tex]s[/tex]

The perimeter will be

[tex]4s=8x+20[/tex]

making [tex]s[/tex] the subject of the formula

[tex]\dfrac{4s}{4}=\dfrac{8x+20}{4}\\\\s=(2x+5)\text{ inches}[/tex]

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PLEASE HELP WITH ALGEBRA WILL GIVE BRAINLIEST

Answers

Answer:

[tex]\frac{ad}{bd} + \frac{cb}{bd}[/tex]

Step-by-step explanation:

[tex]\frac{a}{b} + \frac{c}{d}[/tex]

[tex]\frac{ad}{bd} + \frac{cb}{bd}[/tex] Multiply by the LCD (bd)

Darren got 42 out of 56 correct on a test. What percent of the questions did he get correct?

Answers

Answer: Darren got 75% of the questions correct.

Step-by-step explanation:

To find the percentage of questions Darren got correct, we can divide the questions he got correct by the total number of questions.

42 ÷ 56 = 0.75

0.75 X 100 = 75

So, Darren got 75% of the questions correct.

Find the circumference of the object. Use 3.14 or 22 7 for ml. Diameter:9

Answers

Answer:

c = 28.26 cm

Step-by-step explanation:

equation for circumference of a circle is 2πr

r = d/2 so here r = 9/2 = 4.5

2 x 3.14 x 4.5 = 28.26

Answer:

C ≈ 28.26 cm

Step-by-step explanation:

The circumference (C) is calculated as

C = πd ( d is the diameter ) , then

C = π × 9 ≈ 3.14 × 9 = 28.26 cm ( to the nearest hundredth )

For a new neighborhood, 100 acres of land will be split into 10 lots.How many acres of land will each lot have?

Answers

Step-by-step explanation:

I think it's 10 my bad if I'm wrong

803 to 2:12
1,460 to 4:00
753 to 1:30
are these proportional?!?

Answers

Answer:

Step-by-step explanation:

In terms of area per hour, Bob's works at the rate of ...

1460 ft²/(4 h) = 365 ft²/h

Rhonda's rate is ...

753 ft²/(1.5 h) = 502 ft²/h

The rates are different, so they are not proportional.

___

Additional comment

Toni's rate is 803 ft²/(2.2 h) = 365 ft²/h . . . the same as Bob's

Bob's and Toni's rates are proportional.

Which expression is equivalent to 7 − 9 ?

Answers

Answer:

Try subtracting 9 from 7 to find the value.

Step-by-step explanation:

What is the answer to 27 · 64?

Answers

Answer:

1728

Step-by-step explanation:

-----------

108

1620

1728

Answer:

1728

Step-by-step explanation:

27•64= 0108+162 =1728

Please help me out

Fill in the blanks for this graph

1. This graph crosses the y-axis at______

2. The graph increases in the interval_____

3. The graph decreases in the interval____

Answers

Answer:

1 -5

don't know the answer of q2 and q3

find the value of A

help please

Answers

Answer:

a= 6

Step-by-step explanation:

(7a-4)= 38

7×6= 42

42-4= 38

raplhy jogs at a rate of 4/2 miles in 2/5 of an hour. What is his speed in miles

Answers

Answer:

Ralph's speed is 2 miles in 24 minutes.

(Unit rate, Ralph runs 1 mile in 12 minutes)

Step-by-step explanation:

4 divided by 2 is 2 (miles)

2/5 of an hour is 24 minutes (60/5=12+12=24)

what is the lowest common denominator for 2/3 and 3/5

Answers

the lowest common denominator is 15

Answer:

Step-by-step explanation:

3 times 5 is 15

182,000/907 step by step please

Answers

Answer:

200 R 600

200 600/907

Step-by-step explanation:

0 0 0 2 0 0

9 0 7 1 8 2 0 0 0

− 0

1 8

− 0

1 8 2

− 0

1 8 2 0

− 1 8 1 4

6 0

− 0

6 0 0

− 0

6 0 0

The thermostat for a house is set to 68 °F, but the actual temperature may vary
by as much as 2 °F. What is the range of possible temperatures?

Answers

Answer:

the range is 66 to 70 since it can be 2 degrees in either direction

The range of possible temperatures is 66 to 70°F.

It is required to find the range of possible temperatures.

What is Temperature?

The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.

Given:

The thermostat for a house is set to 68 °F, but the actual temperature may vary by as much as 2 °F.

According to given question we have,

∴The range is 66 to 70 °F since it can be 2 degrees in either direction.

Therefore, the range of possible temperatures is 66 to 70°F.

Learn more about temperature here:

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Please help
What is the domain and range of the function

Answers

Answer:

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. They may also have been called the input and output of the function.)

fill in the table of values for y=2x+3

Answers

Answer:

2 4 2 y-3

•

Yan po answer

PLEASE NO LINKS OR NEGATIVITY

Answers

It’s A because they all have the same term which is x

Solve for X (x-4)(x-3)=0

Answers

[tex](x-4)(x-3) =0\\\\\implies x-4 = 0~~ \text{ or}~~ x - 3 = 0\\\\\implies x = 4~~ \text{or}~~ x = 3[/tex]

Other Questions

The OrnithopterMany people know Leonardo da Vinci today as an artist, and it is true that he was indeed a great painter and sculptor, but he was also an inventor and one of the first individuals in recorded history to draft detailed plans for a flying machine.In order to make a living, Leonardo often depended upon wealthy individuals who would commission work from him. That means they would hire him and pay him to create specific work they wanted. In 1482, when he was 30 years old, Leonardo heard of an opportunity to work for Ludovico Sforza, the Duke of Milan. The duke, however, did not want a painter; he wanted a military engineer to help him defend the city against its enemies. This was an excellent opportunity that would pay Leonardo well, but Leonardo was a peaceful man. He considered war to be a beastly madness. He preferred to make things of beauty.Leonardo made the decision that he could tolerate making weapons if the resources the duke could provide would also allow him to create things he loved. He sent a letter to the duke detailing his skills in designing and building weapons. I will assemble catapults, mangonels, trebuchets and other instruments of wonderful efficiencyI will make an infinite number of items for attack and defense, he wrote.Leonardos letter convinced the duke of his talents, and he got the job. He set about designing the weapons that the duke desired. But Leonardo was infinitely creative, always thinking of new things, new ideashe could not be limited to weapons alone. One idea that he had not mentioned in his application was the ornithopter. It was not a weapon of war, and it was not something that the duke had asked for, but Leonardo went ahead and designed it anyway.Leonardo was fascinated by the idea of flight. The word ornithopter comes from two words meaning bird and wings. And on first inspection, his plans resembled a birds wings attached to a human beings arms. He concluded that a human beings arms were neither strong enough nor light enough to stay in the air for long. So, his design included sets of foot pedals and levers that were operated with the hands. He created detailed plans and presented them to the duke, uncertain of how the duke would react to a design for which he didnt ask.As it turned out, the duke was very impressed with the ornithopter, but it wasnt Leonardos innovation that excited him. He immediately thought of the ways this machine could be used in war. If a spy could fly over the enemys camp, imagine what information he could gather! This was not what Leonardo had intended for his beautiful flying machine.But how Leonardo felt about war turned out not to matter in the end. 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If a car travels 299.8 miles in 7.5 hours, what is the car's speed? please help quick! 45 mi/hr 27.5 mi/hr 25 mi/hr 40 mi/hr

Answers

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If a car travels 299.8 miles in 7.5 hours, what is the car's speed? please help quick!

45 mi/hr

27.5 mi/hr

25 mi/hr

40 mi/hr