Mathematics High School

GUYS PLEASE HELP ASAP!!!!!!! A car is driving 18 meters per second. It then merges on to a highway and accelerates at a rate of 6 meters per second per second for 2.0 seconds. It then remains at this speed. What is the speed of the car on the highway?
a. 3.0 m/s
b. 12.0 m/s
c. 26.0 m/s
d. 30 m/s

Answers

Answer 1

Answer:

it is going to be B. 10 m/s

Answer 2

The speed of the car on the highway will be 30 m/s

What is acceleration?

The rate at which velocity changes with time, in terms of both speed and direction.

Given that, a car is driving 18 meters per second. It then merges on to a highway and accelerates at a rate of 6 meters per second for 2.0 seconds.

Using first equation of motion,

v = u + at where, v is final velocity, u is initial velocity, a is acceleration and t is time,

v = 18 + 6*2

v = 18 + 12

v = 30

Hence, speed of the car on the highway will be 30 m/s

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Related Questions

Select the expression that has a value of 23.

6 + (9 x 3) ÷ 3 + 8
(6 + 9) + 3 ÷ 3 + 8
6 + 9 x 3 ÷ (3 + 8)
(6 x 9 x 3) ÷ 3 + 8

Answers

i believe the first one which is:
6 + (9 x 3) ÷ 3 + 8
I think its the first choice, the other choices dont seem right to me

it costs $5.25 for a bottle of 150 vitamins. if the cost varies directly with the number vitamins in the bottle, what should a bottle of 250 vitamins cost?

Answers

Answer:

$8.75

Step-by-step explanation:

I HOPE THIS HELPS YOU OUT WITH YOUR QUESTION! PLZ LET ME KNOW IF IT DID! IT MAKES ME FEEL GOOD THAT SOMEONE APPRECIATES IT! ANYWAY, IF YOU HAVE A FEW MINUTES PLZ GOT TO MY PROFILE AND THANK MY ANSWERS (THE MORE THE MERRIER)

yeah it would be 8.75

Please help! I will give branliest!

Answers

Answer:

1.  1/2

2. 1/4

3. 1/4

43 lbs of bananas cost $86. How many
lbs of bananas can you get with $100 ?
will get brainliest

Answers

Answer:

$200

Step-by-step explanation:

Hey There!

So first we want to find the price of each pound of banana

To do this we divide the cost by amount of bananas bought

86/43=2

so each pound of bananas cost $2

now we just multiply 2 and 100

2x100=200

so 100 pounds of bananas would cost $200

hope this helps :)

Answer:

50

Step-by-step explanation:

Calculate how much 1lbs of bananas cost by dividing 86 by 43. getting you 2. That means each lbs of bananas is $2. Then divide $100 by $2 getting you 50 because you have $100. So you can get 50lbs of bananas with $100.

1) Determine if the side lengths could form a
triangle. Use an inequality to prove your
answer.
29ft, 38ft, 9ft

Answers

9514 1404 393

Answer:

  cannot form a triangle

Step-by-step explanation:

The triangle inequality requires the sum of the shorter sides exceed the longest one.

  9 + 29 > 38

  38 > 38 . . . . . . . . FALSE — not a triangle

Write a quadratic function for the graph
shown below in the form
f(x) = (x - h)? +k.

Answers

Where's the graph ? I will answer once I see the graph

4.) A store is having a sale in which all items are marked 30% off.
4a.) Which equation represents the selling price, s, in dollars, of an item originally
priced p dollars after a markdown of 30%?
a.) s=0.3p
b.) s=0.7p
c.) p=0.35
d.) p=0.75

Answers

Answer:

0.70p

Step-by-step explanation:

"30% off" means paying only 70% of the original sales price (subtracting 30% from 100% yields 70%).  Next, find the decimal equivalent of 70%:

It is 0.70.  Finally, multiply the price p by 0.70:  0.70p (Answer b)

Answer:

d

Step-by-step explanation:

what are the pair of solutions?

Pleaseee needing helppp

Answers

Answer:

You were correct.

Step-by-step explanation:

If the input to the function y = 4x - 3 is 2 Then

y = 4 * 2 - 3

= 8 - 3

= 5

Hope it helps :)

you are correct, the answer is 5

Please help!!!!! Due Today in a couple hours!!!!!

Answers

Answer:

select them all. all is correct

Step-by-step explanation:

Answer:

All of them

Step-by-step explanation:

Help! Check if my answer is right please, I’m marking brainliest!!!

A. 46.1
B. 50.1 - (my answer)
C. 76
D. 54.2

Show work, if possible. Thanks❤️

Answers

Answer:

its B

Step-by-step explanation:

Help please. I need to finish this in five minutes!

Answers

Answer:

i have no idea....

Step-by-step explanation:

but i hope someone helps :((  good luck:((

PLEASE HELP ITS DUE BY 11!! I NEED ALL QUESTIONS SOLVED AND I WILL MARK BRAINLIEST

Answers

I’ve attached my work!
X=15 than you just plug it in for each angle

Answer:

∠A = 60°

∠B = 42°

∠C = 78°

Step-by-step explanation:

∵ In a triangle, sum of all the three interior angles is 180°

∴ m∠A + m∠B + m∠C = 180°

∴ (4x)° + (3x - 3)° + (5x + 3)° = 180°

∴ (4x + 3x - 3 + 5x + 3)° = 180°

∴ (12x)° = 180°

∴ 12x = 180

∴ x = 180/12

∴ x = 15

∠A = (4x)° = (4× 15)° = 60°

∠B = (3x-3)° = (3× 15-3)° =(45-3)°= 42°

∠C = (5x+3)° = (5× 15 + 3)° =(75 + 3)°= 78°

I need help with part b and c pretty p please show your work so I can do this

Answers

It is black just letting u know

Help me pleaseeee right now please

Answers

Answer:

x   |   y

-2  | -5

-1   | -3

0   |  -1

1    |   1

2   |  3

3   |  5

The pattern is as x increases by 1, y increases by 2.

Step-by-step explanation:

One-half of a number added to seven is eleven. What is the number?

Answers

8/2 + 7 = 4 + 7 = 11?

I NEED HELP PLEASE Which is the better buy?

14 rolls of paper towels for $18
or
10 rolls of paper towels for $12

what is the unit rate for the 14 roll option

Answers

Answer: The second one, 10 rolls for $12. 1.29 (Rounded)

Step-by-step explanation:

14/18 is 1.29 (Rounded)

10/12 is 1.20.

The unit rate is cheaper, therefore making it the better buy

The 10 roll option is better:
Make both numbers of rolls 140 (14x10 and 10x14)
Do the same with the dollars:
10 roll option: $168 but 14 roll option: $180
Bottom option is better

Richie is solving the equation x^2 – 12x = 28 by completing the square. What number should he add to
both sides of the equation to complete the square? Pleaseee Help

Answers

Answer:

Richie should add the number 36 to both sides.

Step-by-step explanation:

To complete the square, you need to divide b by 2, square it, then add it to both sides. In this case, you'd do this:

12/2=6

6^2=36

Need Help on math question

​

Answers

Answer:

36 yards

Step-by-step explanation:

The triangle is a 3-4-5 right triangle with a scaling factor of 12. No complicated Pythagorean theorem has to be used in this case.

60/12 = 5

48/12 = 4

3 is the only base number remaining.

3(12) =36

The school cafeteria sells two kinds of wraps: vegetarian and chicken. The vegetarian wrap costs $1.00 andthe chicken wrap costs $3.10. Today they made $268.30 from the 136 wraps sold. How many of the wraps
sold were vegetarian?
a. 57 wraps
c. 63 wraps
d. 75 wraps
b. 73 wraps

Answers

Answer:

I think it is 73

Step-by-step explanation:

Because i tryed all of the other numbers and they didnt work

HOPE THIS HELP !!!!!!!!!!!!!!!! :)

Pls helppp due soon!!

Answers

Answer:

I think the answer is B

Step-by-step explanation:

Sorry if it's wrong

Answer: i think its b

Step-by-step explanation:

A recipe for biscuits calls for 1 cups
of flour. How much flour would be
needed if the recipe is tripled?
A 4 1/2 cups
B 3 cups
D 6 cups

Answers

Answer:

A

Step-by-step explanation:

1 1/2 × 3 = 4 1/2

.........

What is the measure of the missing angles?

Answers

Answer:

[tex]x = 64 + 45 \\ x = 109[/tex]

Find the SLOPE between (-8,9) and (-4,12) Write answer as a SIMPLIFIED FRACTION.​

Answers

Umm so I’m thinking -3/4 .... you welcome

At what position on the number line is the red dot located, thank you

Answers

Answer:

Root under 39

Step-by-step explanation:

Just multiply the times like 5, 5.25, 5.50, 5.75, 6, 6.25 , 6.50....in such way and calculate...

Answer:

D. [tex]\sqrt{39}[/tex]

Step-by-step explanation:

You don’t even need a calculator for this task.

You can see that the dot is 6.2, but lets just think what number should give us 6 in [tex]\sqrt{x}[/tex], and we know it’s [tex]\sqrt{36}[/tex], but since our dot equal 6.2, we see from our choise that the best answer is [tex]\sqrt{39}[/tex].

Which of the following graphs represents the equation
2x + y = 12?

Answers

Answer:

a

Step-by-step explanation:

Answer:

Step-by-step explanation:

HELP I WILL GIVE YOU BRAINLIEST

Question: What is the solution to this quadratic?

Answers

(5,0) if it’s asking the solution or do you want the equation? Technically the solution would be where the parabola touched the x axis

I think it is 5 because it crosses on the x axis at 5


The answer is A
You’re welcome

Answers

Answer:

so you answered your own question?

solve the triangle a=? b=7m c=10m

Answers

Answer:

[tex]\sqrt{149}[/tex]

Step-by-step explanation:

The third side of a triangle can be any value in the range of -

1 ≤ a < 17.

What is a triangle?A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane

Given are two sides of a triangle as b = 7m and c = 10m.

The sum of two sides of a triangle is always greater than the third side. Mathematically -

a < {b + c}

a < {7 + 10}

a < 17

a ∈ [1, 16]

Therefore, the third side of a triangle can be any value in the range of -

1 ≤ a < 17.

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What is the area of the figure?
18 yd2
54 yd?
72 yd?
90 yd?

Answers

Answer:

72yd2

Step-by-step explanation:

making figure into 2

1st figure

= 6×5

= 30yd^2

2nd figure

= 14×3

= 42yd^2

Area of the full figure

= (30+42)yd^2

= 72yd^2

PLZZZ MARK ME AS BRAINLIEST:)

I need help right now I’m in my class plz help

Answers

Answer:

1/3x + 1/2

Step-by-step explanation:

combine like terms 1/3x plus 2/3x equals 3/3x - 2/3x = 1/3x

and 3/4-1/4 = 2/4.

Answer:

1/3x+1/2

Step-by-step explanation:

1/3x+2/3x-2/3x+3/4-1/4      eliminated +2/3x-2/3x

1/3x+3/4-1/4

1/3x+2/4    simplify 2/4 to 1/2

1/3x+1/2

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