Noel correctly answers 80% of the questions on a test with
40 questions
How many questions does Noel answer correctly
O 5
08
32
50

Answers

Answer 1
40 x (80/100)
= 32
So answer will be 32

Related Questions

Will paid $2.73 for 3.5 pounds of bananas. What was the cost per pound of the bananas?
stuck on this one.

Answers

Answer:

0.78¢

Step-by-step explanation:

if 3.5 lbs of bananas is $2.73, then we need to divide each side by 3.5 to get 1 lb of bananas

1 lb = 0.78¢

To check our work, we can do 0.78x3.5 = 2.73

Hope this helps! Please mark Brainliest if this helped :)

Please help im running out of time:(

One train is traveling 120 m with a velocity of 52 km/h and a
second train is traveling in the opposite direction with a
velocity of 20 km/h. How long will it take for them to
completely pass one another?

Answers

Answer: It took the train 11 s to completely pass the other.

11 seconds it takes for them to completely pass one another if one train is travelling 120 m with a velocity of 52 km/h.

What is distance?

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

We have:

One train is travelling 120 m with a velocity of 52 km/h.

A second train is travelling in the opposite direction with a velocity of 20 km/h.

Here, the length of the second train is not given:

We are assuming the length is 100 m

Relative velocity = 52+20 = 72 km/h = 20 meter/seconds

Total distance: = 120 + 100 = 220 m

The time = 220/20 = 11 seconds

Thus, 11 seconds it takes for them to completely pass one another if one train is travelling 120 m with a velocity of 52 km/h.

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Express the following as a single fraction in its simplest form: 12/y x y/3x

Answers

Answer:

by cancellation method  we can cancel both the y's

so the leftover digits are, 12/3x

when simplifying, we will get 4/x

∴ the final answer is 4/x

hope this answer helps you.....

calcula b para que la recta 2x + by = - 11 pase por el punto (-2, 5)

Answers

Answer:

i dont kown sorry i hope i helped :)

Step-by-step explanation:

jsqfwfnkewrrbnrjbhrwob

You go to the quad on a windy day to fly a kite. You have released 40 feet of string. The string makes an angle of 36° with the ground. How high is the kite in the air? Round your answer to the nearest tenth. Show your work!.

Answers

1800 odkdkcheidncncmk

Answer:

23.51m is the height

Step-by-step explanation:

the kite creates a triangle. 40•sin(36°) = 23.51141009 and round it to 23.51

Remy has 4 monster trucks, 3 fire trucks, 1 ambulance, and 2 taxis he will randomly choose one from his toy box
What is the probability that remy will choose a taxi?


A 1/10 b 1/5 c 2/4 D 1/3

Answers

Answer:

Your answer should be A forgive me if i am wrong.

Step-by-step explanation:

It should be B because there are two taxis out of the 10 toys...

Read the passage from the Houston Chronicle about air quality in Houston in 2019. “I’m surprised and disturbed that Houston’s air quality worsened in this year’s [American Lung Association ‘State of the Air’] report,” said Luke Metzger, director of Environment Texas. “The trend since 1999 had been one of steady progress and instead now it seems we are backtracking and that’s bad news particularly for the hundreds of thousands of people who have asthma or other vulnerable populations like senior citizens. . . .” Current models estimate that more than 60 percent of ozone pollution is from cars, according to Raun, and to address that, the city is trying to encourage practices such as the use of mass transit and transitioning to fuel-efficient or low-emission vehicles. Which statement best describes air quality in Houston since 1999? Air pollution has been steadily increasing in Houston since 1999. Air pollution has been steadily decreasing in Houston since 1999. Air pollution has varied depending on climate conditions since 1999. Air pollution has steadily decreased since 1999, before suddenly increasin

Answers

Answer:

D.) Air pollution has steadily decreased since 1999, before suddenly increasing.

Step-by-step explanation:

right on edge

Air pollution has steadily decreased since 1999, before suddenly increasing. Therefore, option D is the correct answer.

What is low-emission?

A car with low emissions produces very little pollution. A low-emission zone is an area where polluting cars are either not allowed or must pay to enter. They've developed a new kind of low-emission buses.

Vehicles that are either designated as Zero emission Vehicles or as Low Emission Vehicles are considered low-emitting and fuel efficient.

Air pollution has steadily decreased since 1999, before suddenly increasing is the statement best describes air quality in Houston since 1999. As the use of mass transit and transitioning to fuel-efficient or low-emission vehicles.

Therefore, option D is the correct answer.

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The National Center for Health Statistics reported that of every 1,008 deaths in recent years, 34 resulted from an automobile accident, 202 from cancer, and 358 from heart disease. What is the probability that a particular death is due to an automobile accident

Answers

Answer:

0.0337 = 3.37% probability that a particular death is due to an automobile accident

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

What is the probability that a particular death is due to an automobile accident?

Total of 1008 deaths.

34 resulted from an automobile accident. So

[tex]p = \frac{34}{1008} = 0.0337[/tex]

0.0337 = 3.37% probability that a particular death is due to an automobile accident

Please help me fast.
Question 1 (4 points)

(07.07 LC)

A cheetah runs at a speed of 50 miles for every hour. If the distance traveled, in miles, is d and time, in hours, is t, which equation shows the relationship between d and t? (1 point)


a

t = 50d


b

d = 50 + t


c

d = 50t


d

t = 50 + d

Answers

Answer:

d/t=speed

Step-by-step explanation:

Would appreciate the help

Answers

Answer:

x = 13

Step-by-step explanation:

Hope it helps you!........

Answer:

Hey!

Here, you can use the Pythagoras theorem:-

[tex]Hypotenuse^{2} = base^{2} +altitude^{2}[/tex]

Hypotenuse is x

Altitude is 12 cm.

Base is 5 cm.

Substituting the given values in the Pythagoras equation:-

[tex]x^{2} = 5^{2} +12^{2}[/tex]

[tex]x^{2} = 25 + 144[/tex]

[tex]x = \sqrt{25+144}[/tex]

[tex]x= \sqrt{169}[/tex]

x = 13cm

which statement about the relationship between the graph f and the graph of g(x)=7x^2 is true

Answers

Answer:

where is F

Step-by-step explanation:

It's ffffffffffff:))))

Help pls! I need help to finish :(
No Links!

Answers

the answer is 7.5.
7 4/8 is also 7.5

The table shows the results of a survey on the number of text messages per month for people of different ages. Based on this survey, what is the probability that a person texts over 50 messages per month given that the person is between the ages of 23 and 60? A) 157/229 B) 157/312 C) 157/384 D) 157/456​

Answers

Answer:C

Step-by-step explanation:I took the test got a

The probability that a person texts over 50 messages per month given that the person is between the ages of 23 and 60 is 157/456.

What is probability?

Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty. We can predict only the chance of an event to occur i.e., how likely they are going to happen, using it.

Given is table showing the results of a survey on the number of text messages per month for people of different ages.

we need to find the probability that a person texts over 50 messages per month given that the person is between the ages of 23 and 60,

P(E) = favorable outcomes / total outcomes

Favorable outcomes = 157

Total outcomes = 456

Hence the required probability = 157 / 456

Hence the probability that a person texts over 50 messages per month given that the person is between the ages of 23 and 60 is 157/456.

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Which electrician would be cheaper to hire for 3 hours? 8 hours? Why

Electrician A charges $35 per hour and a $100 consultation fee.
Electrician B charges $40 per hour and a $70 consultation fee.

Answers

Answer:

3 hour: electrician B because you would save $15

8 hour: electrician A because you would save $10

Step-by-step explanation:

35×3+100=205 vs 40×3+70=190

b is 15 dollars less

35×8+100=380 vs 40×3+70=390

a is 10 dollars less

For each set of measures, choose whether the conditions determine a unique triangle, more than one triangle, or no triangle.

Answers

Answer:

the first one is "1 triangle" the second one is "no triangles" the third one is "no triangles and the fourth one is "1 triangle"

Step-by-step explanation:

I got it right one edge

From conditions 1, 4 the triangles can be formed and from conditions 2,3 the no triangles can be formed.

What is a triangle?

A triangle is a flat geometric figure that has three sides and three angles. The sum of the interior angles of a triangle is equal to 180°. The exterior angles sum up to 360°.

For the given situation,

The table shows the set of measures, we need to determine which condition can make triangles.

Condition 1:

AB = 15 cm, BC = 20 cm, ∠B = 40°

By SAS criteria, this condition can form a triangle.

Condition 2:

AB = 20 cm, BC = 15 cm, ∠C = 40°

Here the condition is Side-Side-Angle. There is no such criteria, so no triangle can be formed.

Condition 3:

BC = 10 cm, BC = 5 cm, ∠A = 20°

Here side length of BC alone is given. With one side and one angle, no triangle can be formed.

Condition 4:

AC = 5 cm, BC = 10 cm, AB = 14 cm

Here three sides are given, so we can form a triangle.

Hence we can conclude that from conditions 1, 4 the triangles can be formed and from conditions 2,3 the no triangles can be formed.

Learn more about triangles here

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if g(x)=8(1/2)^x then What is g(3)=

Answers

Answer:

g(3)= 4/3

Step-by-step explanation:

plug in the 3 for the x for get 4/3

Answer:

1

Step-by-step explanation:

put x=3,

8×1/2³ = 8/8 =1

The probability that a randomly selected student is a girl is 0.52, and the probability that a student is a girl and in an art class is 0.20. Giver that a student is a girl, what is the probability she is in an art class?

0.20
0.32
0.38
0.52

Answers

Answer: The answer is 0.38

Step-by-step explanation:

Well, everything is given, as stated in the question "the probability that a student is a girl and in an art class is 0.20."

It's given that the probability that a student is a girl is 0.52.

However, in the question, it said that it's given a student is a girl.

You have the probability that a student is a girl and in art class, so you need to find what 0.52 was multiplied by which would be the probability of someone being in art class. Knowing this you can do 0.20 / 0.52 to get 0.38.

HELPPP ME NOW (7x^4 − x^2 + 10x + 15) ÷ (x + 1)

Answers

Answer: 7x^(2)-7x^(2)+6x+4+(11)/(x+1)

Step-by-step explanation:   Set up the synthetic division using the coefficients of the numerator and the root in the denominator. Divide using the rules for synthetic division.

not sure how im suppose to answer but yeah

brainliest or a thank you please :)) <33

Answer:

(7x4-x2+10x+15) / (x+1)

Step-by-step explanation:

What is the least common multiple of 9 and 15?

Answers

Answer:

45

Step-by-step explanation:

Find prime factors

9 = 3 x 3

15 = 3 x 5

3 x 3 x 5 = 45

What is the y-intercept of the graph of h(x) = 2^x - 4

Answers

Answer:

If I remember correctly isn't it -4

Step-by-step explanation:

I am pretty sure that's it

Evaluate the expression for p = 3.

7p

Answers

7(p)

p=3

7(3)

the answer is 21.
7p
p=3
7 x 3 = 21 is the correct answer

what is the perimeter of this red polygon ??

Answers

Answer:

26

Step-by-step explanation:

4+4+4+2+2+3+3+4=26

How I found the Other lengths, REASON :

Other pair of lengths are tangents to circle from a single point so their lengths are equal.

An engineer traveled 150 mi by car and then an additional 630 mi by plane. The rate of the plane was three times the rate of the car. The total trip took 8 h. Find the rate of the car.

Answers

Answer:

Step-by-step explanation:

150 mile by car            x mph

630 mile by plane      3x mph

Total travel time equal 8 hours

    150 / x     mile / (mile / hour)   = hour

    630 / 3x  mile / (mile / hour)   = hour

    150/x + 630/3x  = 8 hours

    450/3x + 630/3x = 8 hours

    450  + 630  = 8(3x)  = 24x

         1080  =  24x

             45  =  x    the rate of the car is 45 mph

help please. i need it asap

Answers

Answer:

The answer  3

Step-by-step explanation:

the number of televisions owned by Matt's classmates is 1, 4, 3, 3, 2, 1, and 7. what is the mean absolute deviation for the number of televisions owned by Matts classmates answer

Answers

The answer is 3
Add all numbers (21) then divide by 7 (there are seven numbers there)
So the answe is 3

giving brainliest!! *easy*

Answers

Surface area is 1256.64

The label of a snack says it has 530calories per 20ounces.

Answers

Answer:

can you just mark me brainlest pls

Step-by-step explanation:

Do you want to know how much calories per oz?

Answer: 26.5 calories per oz

If you are facing South-west, you should turn ______degree anti-clockwise to face North ?

Answers

Answer:

You should turn 225 degrees anti-clockwise to face North.

Car A travels 18 miles every 20 minutes. Car B travels 13 miles every 12 minutes. Which Statement best compares how far the two cars can travel in an hour?

Answers

Car A: 18/20(60)=54 mph

Car B: 13/12(60) = 65 mph

So car b travels 11 more miles than car a in one hour

What is the approximate average rate of change for the function f(x)
from x = 3 to x = 6?
12(1.25)

Answers

Answer:

b

Step-by-step explanation:

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