CJ earned a score of 75% on his math quiz each question on the quiz worth one points in CJ got 18 question correct how many questions were on the quiz

Answers

Answer 1

Answer: 24 questions

Step-by-step explanation:

Let the number of questions on the quiz be represented by x. This means that 75% of x equals 18. We need to calculate x. This will be:

75% × x = 18

75/100 × x = 18

0.75 × x = 18

0.75x = 18

x = 18/0.75

x = 24

The quiz has 24 questions.


Related Questions

In 60 seconds, a turtle’s heart beats 20 times. To find the amount of time between heartbeats, what should you do?

Answers

Answer:

1 heart beat every 3 seconds

Step-by-step explanation:

60 seconds

20 heartbeats

60/20=3

So 1 every 3 second

Solve for the line, Thank you!

Answers

I think 0,5





Explain

2/5 divides by -4/7=?
Can I please get a specified answer?

Answers

Answer:

7/10

Step-by-step explanation:

(2/5)%(-4/7)

We will change the second fraction to make multiplication

So it will be 2/5×-7/4

=. -14/20

= -7/10

Can anyone please help

Answers

2. 64 = 2 × 2 × 2 × 2 × 2 × 2 2 |64

√64 = √2 × 2 × 2 × 2 × 2 × 2 2 |32

√64 = 2 × 2 × 2 2 |16

√64 = 2³ 2 |8

√64 = 8 2 |4

2 |2

3. No positive square root exists for -85 as it is a negative integer. The squares of a number is always positive.

4. 114 is not a perfect square. √114 = 10.677078252

5. √16 = 4

6. √105 = 10 (nearest)

7. √81 = 9

8. √14 = 4 (nearest)

9. √8 = 3 (nearest)

Johanna can jog 3,000 feet in 5 minutes. If she jogs at the same rate, how many feet can she jog in 8 minutes?

Answers

Answer:

4800

Step-by-step explanation:

3000\5=600

600*8=4800

"Samuel spent $16 for 4 erasers and 2 pencils. Alva spent $10.50 for 3 erasers and 1 pencil. How much do 5 erasers and 3 pencils cost?"

Answers

20$ if the erasers and 3 dollars and the penciles close to 2 each

A line passes through (2, -1) with slope 3.
What is the equation of the line in point-slope form?
A. y - 1 = 3(x + 2)

B. 3(y + 2) = x - 1

C. y - 2 = ( 1/3 x + 1)

D y + 1 = 3(x - 2)

Answers

A. y - 1 = 3x + 6
Add 1
y = 3x + 7

B. 3y + 6 = x - 1
Subtract 6, then divide by 3
3y = x - 7
y = 1/3x - 7/3

C. y - 2 = 1/3x + 1
Add 2
y = 1/3x + 3

D. y + 1 = 3x - 6
Subtract 1
y = 3x - 7

When put on a graph, D passes through (2, -1)

Answer is D.

Figure A is a scale image of Figure B.
A
11
1
Figure A
10
Figure B
What is the value of x?

Answers

9514 1404 393

Answer:

  x = 4.4

Step-by-step explanation:

The longer side is 11/10 times the length of the shorter one:

  x = (11/10)(4) = 4.4 . . . units

Mike wants to put 150 square feet of artificial turf in his front yard. This is the maximum area
of artificial turf allowed by his homeowners association. He wants to have a rectangular area
of turf with length one foot less than 3 times the width. Find the length and width. Round to
the nearest tenth of a foot.

Answers

Answer:

Step-by-step explanation:

Area of the rectangular area = Length * width

A = LW ...... 1

If he wants to have a rectangular area  of turf with length one foot less than 3 times the width, then

L = 3W - 1 ...... 2

Substitute 2 into 1

A = (2W-1)W

A = 2W^2 - W

Since area = 150sq.ft

150 = 2W^2 - W

2W^2 - W - 150 = 0

Factorize

2W^2 - W - 150 = 0

W = 1±√1+4(300)/2(2)

W =  1±√1201/2(2)

W = 1±34.655/4

W = 35.655/4

W = 8.91375

W = 8.9 (to nearest tenth)

Get the length

L = A/W

L = 150/8.9

L = 16.85

L = 16.6ft

Hence the length is 16.6ft and the width is 8.9ft

What is accounting? What is the role of accounting in values?

Answers

Answer:

Found this on google, "Accounting creates values by maintaining transparency of accounts. Since man lives in the society, he has got a social life. For leading a social life he has to perform financial and material transactions daily. For carrying out these transactions successfully the existence of a sound environment is necessary."

Answer: Accounting is the process of recording financial transactions pertaining to a business.

Step-by-step explanation: The purpose of accounting is to accumulate and report on financial information about the performance, financial position, and cash flows of a business. This information is then used to reach decisions about how to manage the business, or invest in it, or lend money to it.

A store sells mugs. Each mug cost the same amount.

Answers

Answer:

nobody won't be able to answer this without some more details.

Answer:

that's nice

Step-by-step explanation:

if u actually need help ask this question again or put the whole question in the comments section

ur welcome

Which of the following transformations is the only one that can change the lengths of its sides but remain similar??
A) Translation
B) Rotation
C) Reflection
D) Dilation ​

Answers

Answer:

D

Step-by-step explanation:

It is dilation because transformation is moving and sliding, rotation is spinning, reflection is a mirroring of the shape upon a certain line or axis, and dilation is the change in size leaving 1 point the same.

Which two ratios are equivalent to 10 : 12​

Answers

Answer: 10 divided by 2 is 5 12 divided by 2 is 6

Answer: 20:24 and 50:60

Step-by-step explanation:

The function P(x) = –0.015x^2 + 1.2x – 11.5 gives the profit, in thousands of dollars, when a company sells a new product at x dollars per unit. Which of the following statements best interprets the average rate of change of this function from x = 50 to x = 55?
The profit increases by $375 for every $1 increase in the selling price.
The profit decreases by $375 for every $1 increase in the selling price.
The profit increases by $1875 for every $1 increase in the selling price.
The profit decreases by $1875 for every $1 increase in the selling price.

Answers

Answer:

The profit decreases by $ 375 for every $ 1 increase in the selling price.

Step-by-step explanation:

From the definition of the secant line we get that the average rate of change of [tex]P(x) = -0.015\cdot x^{2}+1.2\cdot x -11.5[/tex], where [tex]x[/tex] is the selling price of the product, measured in dollars per unit, is:

[tex]r = \frac{P(55)-P(50)}{55-50}[/tex] (1)

Now we evaluate the function at each bound:

x = 50

[tex]P(50) = -0.015\cdot (50)^{2}+1.2\cdot (50)-11.5[/tex]

[tex]P(50) = 11[/tex]

x = 55

[tex]P(55) = -0.015\cdot (55)^{2}+1.2\cdot (55)-11.5[/tex]

[tex]P(55) = 9.125[/tex]

Then, the average rate of change is:

[tex]r = \frac{9.125-11}{55-50}[/tex]

[tex]r = -0.375[/tex]

Hence, the profit decreases by $ 375 for every $ 1 increase in the selling price.

The statements that best interprets the average rate of change from x = 50 to x = 55 is (b) The profit decreases by $375 for every $1 increase in the selling price.

The profit function is given as:

[tex]P(x) = -0.015x^2 + 1.2x - 11.5[/tex]

Calculate P(x), when x = 50.

So, we have:

[tex]P(50) = -0.015(50)^2 + 1.2(50) - 11.5[/tex]

[tex]P(50) = 11[/tex]

Calculate P(x), when x = 55.

So, we have:

[tex]P(55) = -0.015(55)^2 + 1.2(55) - 11.5[/tex]

[tex]P(55) = 9.125[/tex]

The average rate of change from x = 50, to 55 is then calculated using:

[tex]m = \frac{P(55) - P(50)}{55-50}[/tex]

So, we have:

[tex]m = \frac{9.125 - 11}{55-50}[/tex]

[tex]m = \frac{-1.875}{5}[/tex]

Divide

[tex]m = -0.375[/tex]

The function is in 1000 units.

So, we have:

[tex]m = -0.375\times 1000[/tex]

[tex]m = -375[/tex]

-375 implies a decrease of $375 for every $1 increase in sales

Hence, the correct statement is (b)

Read more about average rates at:

https://brainly.com/question/8728504

HELP ME I HAVE TO PASS
What is the value of x in the solution to this system of equations?
3x+5y=94
x=2y−9

A.x = 7
B.x = 13
C.x = -13
D.x = 10

Answers

B, I used elimination

can anyone help me please!! i dont get it (explain too)
MARKING BRAINLIEST

Answers

Answer:

i=

Step-by-step explanation:

Find the slope I’m sorry I need help with this one I’m finding the answer but don’t understand it sorry

Answers

the answer is 4 ....

4x =64 find x in exponential equations

Answers

Answer:

X=16

Step-by-step explanation:

4/64

x=16

What is the average rate of change for the following graph over the interval 1 ≤ x ≤ 3?

A. 4

B. -4

C. 3

D. -3

Answers

The answer is c


I hope that helps you

ILL GIVE BRAINLIEST FOR CORRECT ANSWER. SUPER SUPER EASY.

determine which chart matchs which graph
only answer number 9

Answers

Answer:

B and F

Step-by-step explanation:

The sum of the ages of Martin and his son Sherwin is 47 years. Martin's age is 2 years more than 4 times the
age of Sherwin. Find their present age.​

Answers

Answer:

In the picture above it shows how to answer the questions step by step. If there's a mistake, pls inform me.

3. Nathan usually drinks 48 ounces of water per day. He read that he should
drink 72 ounces of water per day. If he starts drinking 72 ounces, what is the
percent increase?

Answers

Answer:

50%

Step-by-step explanation:

Write the equation of a line that passes through (4, 6) and is parallel to y = 4x + 4.

Answers

Answer:

y = 4x - 10

Step-by-step explanation:

6 = 4 (4) + b

-10 = b

hello help me please i need it a lot

Answers

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Hint :

Equilateral triangle has same sides and same angles.

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Suppose that one of the angles has a measure of y .

So angles are : y , y and y

_________________________________

Sum of the interior angles of any triangle is 180° .

_________________________________

According above :

[tex]y + y + y = 180°[/tex]

[tex]3y = 180°[/tex]

Divide sides by 3

[tex] \frac{3y}{3} = \frac{180}{3} \\ [/tex]

[tex]y = 60°[/tex]

We found that the measure of the angles are equal , so this is the measure of all three angles.

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Question gave us one of the angles as

4x -12 .

So ;

[tex]4x - 12 = 60[/tex]

Add sides 12

[tex]4x - 12 + 12 = 60 + 12[/tex]

[tex]4x = 72[/tex]

Divide sides by 4

[tex] \frac{4x}{4} = \frac{72}{4} \\ [/tex]

[tex]x = \frac{9 \times 2 \times 4}{4} \\ [/tex]

[tex]x = 9 \times 2[/tex]

[tex]x = 18[/tex]

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We found that sides are same ,

So :

[tex]BZ = DB = DZ = 7x + 119 \\ [/tex]

Thus :

[tex]DB = 7x + 119[/tex]

[tex]DB = 7(18) + 119[/tex]

[tex]DB = 126 + 119[/tex]

[tex]DB = 245[/tex]

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The correct answer is Option three .

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Find the value of a. The diagram is not to scale. ​

Answers

Answer: B. a = 144 degrees

Step-by-step explanation:

180=36+a

144=a

Step-by-step explanation:

hope it's obvious both the reason is being cointerior angle

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Please help meeee :)))))

Answers

It’s a aka 1/2 , -2 hope this helped

In ΔBCD, the measure of ∠D=90°, BC = 81 feet, and DB = 52 feet. Find the measure of ∠C to the nearest tenth of a degree.

Answers

Answer:

39.9°

Step-by-step explanation:

m∠C = β

sin β = [tex]\frac{52}{81}[/tex] ⇒ β = arcsin [tex]\frac{52}{81}[/tex] ≈ 39.9°

Answer:

39.9

Step-by-step explanation:

sinC=  

sin C = \{52}{81}

sinC=  

81

52

​  

 

C=\sin^{-1}{52}{81})

C=sin  −1 (  81 /52 )

C=39.9393\ 39.9^

C=39.9393≈39.9∘

In the 48 years between 1842, the average rate of erosion at horseshoe falls was 33 divided by 50 metre per year. In the 22 years between 1905 and 1927 the rate of erosion was 7 divided by 10 meter per year . Approximately how much total erosion occurred during these two time periods

Answers

Answer:

47. 08 meters

Step-by-step explanation:

Given that:

In 48 years between 1842 :

Rate of erosion = 33/50 meters per year

Between 1905 - 1927 (22 years)

Rate of erosion = 7/10 meters per year

Approximately how much total erosion occurred during these two time periods ;

Total erosion that occured within 1842:

Rate of erosion * number of years

(33/50)m * 48

0.66 meters * 48

= 31.68 meters

Total erosion that occured between 1905 - 1927:

Rate of erosion * number of years

(7/10)m * 22

0.7 meters * 22

= 15.40 meters

total erosion which occurred during these two time periods ;

31.68 meters + 15.40 meters

= 47.08 meters

Answer:

47. 08 meters

Step-by-step explanation:

Given that:

In 48 years between 1842 :

Rate of erosion = 33/50 meters per year

Between 1905 - 1927 (22 years)

Rate of erosion = 7/10 meters per year

Approximately how much total erosion occurred during these two time periods ;

Total erosion that occured within 1842:

Rate of erosion * number of years

(33/50)m * 48

0.66 meters * 48

= 31.68 meters

Total erosion that occured between 1905 - 1927:

Rate of erosion * number of years

(7/10)m * 22

0.7 meters * 22

= 15.40 meters

total erosion which occurred during these two time periods ;

31.68 meters + 15.40 meters

= 47.08 metersStep-by-step explanation:

Guessing the initial of a students middle name

Answers

Answer:

1/26

Step-by-step explanation:

Simplify:
3p+2p-p

Please help ASAP !!

Answers

Answer: 4 P

Step-by-step explanation: hope this helps!

The solution of the given expression 3p+2p-p will be 4P.

What is an expression?

The mathematical expression is the combination of numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also be used to denote the logical syntax's operation order and other properties.

Given expression is 3p+2p-p. The expression will be simplified as:-

E = 3p+2p-p

Add the values 3p and 2p first.

E = 5p - p

Subtract p form 5p.

E = 4p

Therefore, the solution of the given expression 3p+2p-p will be 4P.

To know more about an expression follow

https://brainly.com/question/17520957

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