THE ONES THAT ARE IN GREY ARE THE ANSWER OPTIONS.

THE ONES THAT ARE IN GREY ARE THE ANSWER OPTIONS.
THE ONES THAT ARE IN GREY ARE THE ANSWER OPTIONS.

Answers

Answer 1

Answer:D

total 450 marks 90 of which are maths

90/450= 0.2

0.2=20%

20% is D

Step-by-step explanation:

Answer 2

Answer:

the answer is D

Step-by-step explanation:

90/450=2/10


Related Questions

This right circular cone has a volume of 75 cubic inches. The height of the cone is 9 inches. What is the length of the radius? A. 4 in. B. 5 in. C. 6 in. D. 8 in.

Answers

Answer:

B. 5 in.

Step-by-step explanation:

Answer:

either 8 or 4

Step-by-step explanation:

because it can't be 6 or 5

If you invest $7,000 for 5 years, and you earn 4% interest, how much interest overall
will you earn, assuming the interest is NOT compounding? (Hint: I=PRT)
Show your answer as a whole number (no decimals).

Answers

The interest earned in five years is $1400.

What is simple interest?

Simple interest is interest calculated on the principal portion of a loan or the original contribution to a saving account.

Formula for simple interest

A = P(1 + rt)

Where,

A is the final amount

P is the initial principal balance

r is the annual interest rate

t is time(in years)

According to the given question

We have

Initial Principal balance, P = $7000

Time, t = 5years

Annual interest rate, r = 4% = 0.04

Therefore, the amount in five years is given by

A =  7000(1 + 0.04(5))

A = 7000(1 + 0.2)

A = 7000(1.2)

A = $8400

Now, the interest earned in five years

S.I = A - P

⇒ S.I = $8400 - $7000

S.I = $1400

Hence, the interest earned in five years is $1400.

Learn more about simple interest here:

https://brainly.com/question/17959107

#SPJ2

Alex and 3 of his friends are playing in a class math competition. Each player can score up to 10 points per round. Choose the equation or inequality to represent the number of points Alex’s team scores in one round.

A. p = 40
B. p = 30
C. p ≤ 40
D. p ≤ 30
E. p ≥ 40
F. p ≥ 30

Answers

A.p:40 his friends alex

Answer:

the answer is p<40

Step-by-step explanation:

(: ur welcome

The Kitten Korner animal shelter buys cat food in 64-can crates. Each can holds 6 ounces of cat food. If the animal shelter orders 2 crates of cat food at a time, how many pounds of cat food are in each order?

Answers

Answer: 48 pounds in each order

64 cans (each 6 ounces) is 384 ounces per crate

Since they ordered 2 crates, its 768 ounces

Now you have to convert this into pounds

There are 16 ounces in a pound, so divide 768 by 16 to get 48 ounces in each order

Please help me

10pts + Brainliest

Answers

Answer: two hundred and fifty thousand people were left without homes in the earthquake.

They were there for every major disaster.

Step-by-step explanation:

You are looking at the New York ball drop on New Year’s Eve at a distance of 100 m away from the base of the structure. If the ball drops at a constant rate of 2 m/s, what is the rate of change of the

angel between you and the ball when the angle is ( ?

Answers

The question is an illustration of related rates.

The rate of change between you and the ball is 0.01 rad per second

I added an attachment to illustrate the given parameters.

The representations on the attachment are:

[tex]\mathbf{x = 100\ m}[/tex]

[tex]\mathbf{\frac{dy}{dt} = 2\ ms^{-1}}[/tex] ---- the rate

[tex]\mathbf{\theta = \frac{\pi}{4}}[/tex]

First, we calculate the vertical distance (y) using tangent ratio

[tex]\mathbf{\tan(\theta) = \frac{y}{x}}[/tex]

Substitute 100 for x

[tex]\mathbf{y = 100\tan(\theta) }[/tex]

[tex]\mathbf{\tan(\theta) = \frac{y}{100}}[/tex]

Differentiate both sides with respect to time (t)

[tex]\mathbf{ \sec^2(\theta) \cdot \frac{d\theta}{dt} = \frac{1}{100} \cdot \frac{dy}{dt}}[/tex]

Substitute values for the rates and [tex]\mathbf{\theta }[/tex]

[tex]\mathbf{ \sec^2(\pi/4) \cdot \frac{d\theta}{dt} = \frac{1}{100} \cdot 2}[/tex]

This gives

[tex]\mathbf{ (\sqrt 2)^2 \cdot \frac{d\theta}{dt} = \frac{1}{100} \cdot 2}[/tex]

[tex]\mathbf{ 2 \cdot \frac{d\theta}{dt} = \frac{1}{100} \cdot 2}[/tex]

Divide both sides by 2

[tex]\mathbf{ \frac{d\theta}{dt} = \frac{1}{100} }[/tex]

[tex]\mathbf{ \frac{d\theta}{dt} = 0.01 }[/tex]

Hence, the rate of change between you and the ball is 0.01 rad per second

Read more about related rates at:

https://brainly.com/question/16981791

Tom is deciding whether or not he should become a member gym to use their basketball courts. The membership cost is $135. Members pay $2 to rent out the basketball courts. Non-members can rent the court also, but they have to pay $11 each time. how many times would Tom need to rent the court in order for it be cheaper to be a member than a non member?​

Answers

Answer:

16 times

Step-by-step explanation:

Membership cost:

C = 135 + 2x

Non-members:

C = 11x

____

135 + 2x = 11x

135 = 9x

x = 15

The cost would be the same after renting 15 times, so after 16 times the cost would be cheaper for a member.

30 POINTS AND BRAINLIST TO GRAPH

Graph the equation by translating y=|x|.

y=|x+5|

Answers

Answer:

Please refer to the attached photo.

Step-by-step explanation:

Table of values

[tex]\begin{array}{|c|c|c|c|c|c|c|c|c|c|c|c|} \hline \sf x &\sf -8 &\sf -7 &\sf -6 &\sf -5 &\sf -4 &\sf -3 &\sf -2 &\sf -1 &\sf 0 &\sf 1 &\sf 2 \\\hline \sf y &\sf 3 &\sf 2 &\sf 1 &\sf 0 &\sf 1 &\sf 2 &\sf 3 &\sf 4 &\sf 5 &\sf 6 &\sf 7 \\\hline \end{array}[/tex]

The deer population is estimated to be 17,600 in northern
Illinois, but an actual count was 21,300. What is the percent
error?

Answers

The percentage error in the deer population is 17%

Actual population = 21300

Estimated population = 17600

The percentage error will be calculated by subtracting the estimated population from the actual population and then dividing the result. This will be:

= (Actual population - Estimated population) / Actual population × 100

= (21300 - 17600) / 21300 × 100

= 3700/21300 × 100

= 0.17 × 100

= 17%

Therefore, the percentage error in the deer population is 17%

Read related link on:

https://brainly.com/question/24988697

Val started watching a live video on social media. The equation Y + 20 = 120(X + 1) represents Y, the total number of people watching the video as a function of X, the number of minutes since Val started watching.

A - List the slope and what it represents.
B - Write the equation in slope-intercept form.
C - How many people were watching the video when Val started watching? how do you know?

Help asap

Answers

Answer:

y = 120x + 100

x = y/120 - 5/6

Step-by-step explanation:

Two times a number Increased by fifteen is the same as five times a number less than forty three

Answers

Step-by-step explanation:

2x+15 = 5x-43

- Add 43 to both sides

2x+58 = 5x

- Subtract 2x from each side

58 = 3x

- Divide by 3

what law would you use to simplify (2xy)^(2)

Answers

Answer:

(2xy)²

Step-by-step explanation:

please mark me as brainliest

what is the midpoint of 0.2 and 0.3

Answers

Answer:

0.25

Step-by-step explanation:

Half of a tenth in 5 hundredths.

To find the midpoint of 0.2 and 0.3, think of it as 20 and 30.

What would be the midpoint of 20 and 30? 25.

Therefore, 0.25 would be the midpoint of 0.2 and 0.3

-kiniwih426


Paula orders 3.75 pounds of
macaroni salad and 2.25
pounds of coleslaw. How
many more pounds of
macaroni salad does she
have than coleslaw?

Answers

Answer:

1.5 pounds more.

Step-by-step explanation:

3.75 - 2.25

= 1.50.

Answer:

1.50 pounds

Step-by-step explanation:

Paula orders a macaroni salad and coleslaw each weighing 3.75 and 2.25 pounds respectively

so, to find how many more pounds of macaroni salad than coleslaw we do,

3.75-2.25=1.50

therefore,  macaroni salad has 1.50 pounds more than coleslaw.

PLS MARK BRAINLIEST

can somebody answer this? thankyu​

Answers

Answer:

1. 3, 12, 48, 192, 768               Ratio: x4

2. 8, 16, 32, 64, 128                Ratio: x2

3. 120, 60, 30, 15, 7.5             Ratio: ÷2

4. 5, 10, 20, 40, 80, 160          Ratio: x2

5.  1.3?, 4, 12, 36, 108, 324      Ratio: x3

Hope this helps!

I'm not sure about the first one on question 5 though.

A cab company charges $7 boarding fee in addition to its meter which is $4 for every mile. The equation of the line that represents this cab company's rate is:
a. y = 4x + 7
b. y = 7x + 4
c. y = 4x - 7
d. y = 4x + 6 ​

Answers

Answer:

A

Step-by-step explanation:

y=4x+7

- 150 and -50 which one is bigger in inequality?
please help! I will give you brainliest.​

Answers

Answer:

-150

Cause right now it's negative I think

Yes

Can anyone help me with my math problem?

Answers

Step-by-step explanation:

1296 students of a school are arranged in a square formation. How many rows did they make??

Solution

Number of rows = number of columns = r

:: r × r = 1296

In other words,

r square 2 = 1296

now solve in prime factorization,

the answer is 36

In 2012 Joe had $ 104
in his bank account. BY
2017 he had $889 in his
account. Determine
the annual rate of
change.

Answers

Answer:

$157

Step-by-step explanation:

The amount of change is:

889 - 104 = 785

The time difference in years:

2017 - 2012 = 5

The annual rate of change is the ratio of the difference in amount to the time difference:

785/5 = 157

A laptop has a listed price of $503.98 before tax if the sales tax rate is 7.5% find the total cost of the laptop with sales tax included

Answers

Answer:

The tax would be roughly $37.79, which means the laptop would be overall $541.77.

20 - 4 TIMES 4 DIVIDE 2 + 3

Answers

[tex]20 - 4 \times 4 \div 2 + 3[/tex]

Using BODMAS formula, we see that we have first divide, then multiply, then add and finally subtractSo[tex]20 - 4 \times 4 \div 2 + 3 \\ = 20 - 4 \times 2 + 3 \\ = 20 - 8 + 3 \\ = 23 - 8 \\ = 15[/tex]Answer:

15

Hope it helps..

ray4918 here to help

Answer:

14

Step-by-step explanation:

20-4×4÷2+2=14

you change the words into symbols

4 Jamyra4555 (follow her)

Answers

Answer:

b

Step-by-step explanation:

10*10=100

100+140=240

240/5=48

Answer:

it's BBBBBBBBBBBBBBBBBB) 48

Step-by-step explanation:

Which of the following describes distributive property? *

12 + 10 = 22
12 + 10 = 10 + 12
5( 7 + 4) = 35 + 20
5( 7 + 4) = 35 + 5

Answers

deu ruim  aqui pq eu não sei

Step-by-step explanation:

Luigi incorrectly solved the following equation. Explain the error in Luigi's work.

Complete your work in the space provided or upload an image of your work completed on paper.

Answers

Answer:

the error(s) is from the step 2

Step-by-step explanation:

3r - 12 = 2r - 3  +4r

3r - 4r -2r = 12 - 3

-3r = 9

r = 9 : (-3)

r = -3

--------------------------

the error(s) is from the step 2

3b- 4/2 = c , for b
please explain the steps​

Answers

Answer:

b = c/3 + 2/3

Step-by-step explanation:

3b - 4/2 = c

the goal is to have b all by itself on one side of the equals sign.

start by moving the fraction over to where c is by adding.

3b = c + 4/2

adding -4/2 and +4/2 together makes it a 0 on the b side so there's no need to write anything in that space anymore.

Now 3b are next to each other which means they are multiplying. To move 3 we need to do the opposite (divide by 3 on both sides of the equal sign)

b = c/3 + 2/3

notice I divided both c and 4/2 by 3. 4/2 = 2 so I changed it to 2, then divided by 3

PLZZZ HELPPPP ILL MARK BRAINLIEST TO FIRST AND CORRECT ANSWER THAT HAS WORK AND A THX TO SECOND AND CORRECT ANSWER.

Answers

Answer:

well I think it is none of these because the square root would be 9^2

Step-by-step explanation:

Answer:

9^2

Step-by-step explanation

if the are is 81 then you have to think for th numbers like if the are was 20

it would be 5x4=20cm sorry i can't type in anything special  ti won'y let me

x−5/8=2x−1 solve for x

Answers

Answer:

[tex] if \: \frac{x - 5}{8} = 2x - 1) \times 8 \\ x - 5 = 16x - 8 \\ 15x = 3 \\ x = \frac{15}{3} \\ \therefore \: x = 5 \\ if \: your \: quetion \: is \\ x - \frac{5}{8} = 2x - 1) \times 8 \\ 8x - 5 = 16x - 8 \\ 8x = 3 \\ x = \frac{3}{8} \\ try \: to \: use \: brackets \: next \: time[/tex]

Need help with math question. Please. I’ll give 5 stars

Answers

Answer:

The domain is -11 < x < 4 or in interval notation it is (-11, 4).

Step-by-step explanation:

The domain is the set of possible values of x.

Here the open circles at each end mean that these values are not included.

hi, please what's 4/5 - (-1/3) quick! I dont have that much time PLEASE

Answers

Answer:

17/15

Step-by-step explanation:

Solution:

[tex] \frac{4}{5} - ( - \frac{1}{3}) \\ = \frac{4}{5} + \frac{1}{3} \\ = \frac{12 + 5}{15} \\ = \frac{17}{15} \\ = 1 \frac{2}{15} [/tex]

What is the reason for each step in the solution of the equation?

12−5x+6x=4

Drag and drop the reasons into the boxes to correctly complete the table.



12−5x+6x=4
12+x=4
x=−8

Answers

The correct reason for each step in the solution of the equation would be as follows:

12 − 5x + 6x = 4 - Given

12 + x = 4 - Combine Like Terms

x= −8 - Subtraction Property of Equality

Hope this answers the question. Have a nice day.

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