Mark got 18 out of 25 questions correct on his science test. What percent of the questions did he get correct

Answers

Answer 1

Answer:

72%

Step-by-step explanation:

Turn the denominator to 100.

So: 18/25 times 4 equals 72/100

72/100= 72%

*You turn the denominator into 100 because all percents are out of 100.*


Related Questions

3x 45 help Pleasssssse

Answers

Answer:135

Step-by-step explanation:45+45=90 90+45=135

Simplify the following expression
- 4p - (1 - 6p)​

Answers

Answer:

2p-1

Step-by-step explanation:

Answer:

-2p - 1

Step-by-step explanation:

-4p - (1 - 6p)

-4p - 1 + 6p

-4p + 6p - 1

-2p - 1

Please let me know if I'm wrong!

Evaluate7r -
3
when r=2.5 andq=12.
+6)
A. 3.5
B. 4.5
C. 5.5
D. 7.5

Answers

Answer:

14.5

Step-by-step explanation:

Can someone help me with this question

Answers

hi! here is your answer

Answer:

It is SAS congruence criterion

hope it helps you!!

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SAS

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

(( AR )) Side = (( ER )) Side

(( ARK )) Angle = (( ERN )) Angle

(( KR )) Side = (( NR )) Side

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What are the solutions of x^2-2x+5=0? A. X=2i or x=-2i. B. X=1+2i or x=1-2i. C. X=2+i or x=2-i. D. X=2+2i or x=2-2i

Answers

Answer:

B. x=1+2i or x=1-2i.

Step-by-step explanation:

The equation is given as;

x²-2x+5=0

complete the square method to find value of x as;

x²-2x = -5

x²-2x + 1 = -5 + 1

x²-2x +1 =-4

( x-1 )² = -4

x-1 = ±√-4 ---------where √-1 = i

x-1 =± 2i

So;

x-1 = + 2i

x= 1+2i

or

x= 1-2i

x= 1-2i

Which equation represents a line which is parallel to the line y-7x= -2

Answers

Answer:

7x-y = 2

Step-by-step explanation:

i think it is right I"m not very sure

What do solving absolute value equations and solving quadratic equations have in common?

Answers

Answer:

They often have more than one solution.

Answer:

Step-by-step explanation:

Quadratic equations are equations that when rearranged using the 5 operations can yield a polynomial of degree 2 on one side of the equation and 0 on the other. There are 3 commonly taught methods for solving quadratic equations. These methods are factoring, completing the square, and the quadratic formula. These functions are most commonly used to model projectiles, disregarding air resistance.

When using the factoring method one attempts to write a degree 2 polynomial as the product of two degree 1 polynomials. This method works because if we multiply two degree one polynomials together we find  

For example: When factoring , we want to find two number a, b whose product is 6 and sum to 5. The values of a and b we are looking for are 2 and 3.

The method of completing the square centers around using the five operations to replace the original equation with an equivalent equation of the form  by taking advantage of the fact that

The absolute value function takes the value of a number, regardless of whether it is positive or negative. Some problems that the absolute value is useful for modeling include an object bouncing on the ground.

For example, , since we do not care about the negative sign.

Example: Solve  

Solution: Since the absolute value does not care about whether a number is positive or negative, if  then  or . Then we can solve each equation individually to find that x = 1 or 5.

Help please :<
I don't get this that well

Answers

Answer:

1. Combining like terms

2. Distributive property

3. Subtraction (both sides)

4. Addition(both sides)

5. Division

Step-by-step explanation:

Evaluate the expression.


[tex]-82^{2}[/tex]=

Answers

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[tex] - {82}^{2} = - (80 + 2)(80 + 2) = \\ [/tex]

[tex] - ( \: (6400) + (160 \times 2) +( 4) \: ) = \\ [/tex]

[tex] - (6400 + 320 + 4) = - (6724) = - 6724 \\ [/tex]

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[tex] ({ - 82})^{2} = {82}^{2} = + 6724 [/tex]

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What are the steps in solving word problems involving multiplication of simple
fractions with other operations?

Answers

Answer:

See explanation

Step-by-step explanation:

For every question that comes your way, the first step is to understand the question.

The next, is to convert the word problems into algebraic expressions.

Lastly, you solve the expression accordingly.

Take for instance.

Ade has half a dozen eggs. How many dozen does Ade have?

We understand that; half means ½ and a dozen means 12.

So, the expression is

½ * 12 = 6 eggs

can you tell me how you get your answer

Answers

Answer:

The answer to this is: You click answer and then you just answer what the person asks and can i have brainliest?? please

Step-by-step explanation:

Answer:

For math I use my calculater :)

step-by-step explanation:

whats the answer to number 1 please and thank you? please write down the steps too

Answers

Answer:87

Step-by-step explanation:

43+x+15=3x

58+x=3x

58=2x

x=29

Math math math :D


Please help me!

Answers

2.75________________________________________

Answer:

£4.48

Step-by-step explanation:

PLEASE SOLVE THIS i really need help

Answers

Answer:

Oh jeez I forgot most of this, but I believe it is Complementary

Step-by-step explanation:

Answer:

32+58+90

Step-by-step explanation:

32 and x is a 90 degree angle since its a right angle and right angles add up to 90

Patrice earns $10 per hour.
Last week, she worked 9
hours on Monday, 3 hours
on Tuesday, and 8 hours on
Wednesday She had
Thursday off, and then she
worked 6 hours on Friday.
How much money
did
Patrice earn in all last week?

Answers

Answer:

She earned 260 dollars

Step-by-step explanation:

If you multiply 9 by 10 you get 90 then do the same to the rest of the numbers then add them you get your answer.

1 point
Officer Cooter spent half of the money in his wallet going to the movies. After the movies, he found 6 dollars in the dryer while doing his laundry
and put it in his wallet. How much money did he start with in his wallet if he ended with 16 dollars?
Choose the equation from the following list and solve.
16 = 2 + 6
16 = -6
16 = +6
16 = 2r - 6
Officer Cooter started with $ type your answer...
in his wallet

Answers

Answer:

34

Step-by-step explanation:

Help please all of yu smart mathematics

Answers

Answer: take the picture again and i well help you am here to help its burred

Step-by-step explanation:

Mary is making some shirts for her school's drama department. The fabric store has 3 1/6 yards of the fabric she wants in stock. But this quantity of fabric can make only 1 1/3 shirts. What length of fabric does Mary need to buy if she wants to sew 2 shirts?
A.
3 5/6 yards
B.
3 3/4 yards
C.
2 3/8 yards
D.
1 1/6 yards

Answers

Answer:

A. 3 5/6 yards

Step-by-step explanation:

..........

The answer is A. 3 5/6. Please mark as brainliest and like cause I’m trying to level up and if u need a explanation let me know

Kaelyn has 14 coins that have a value of $1.20 she only has dimes and nickels how many nickels does kaelyn have ?

Answers

10 dimes and 4 nickels.
10 dimes= 1 dollar
4 nickels= 20 cent

the function g(x) represents f(x)=9 cos (x-pi/2)+3 after translating pi/6 units left and 4 units up. which equation represents g(x)?

g(x)= 9 cos (x - 2pi/ 3) -1

g(x)= 9 cos (x - 2pi/3) +7

g(x)= 9 cos (x - pi/3) +7

g(x)= 9 cos (x - pi/3) -1

Answers

Answer:

g(x)= 9 cos (x - [tex]\frac{\pi}{3}[/tex]) +7

Step-by-step explanation:

What is given is f(x) = g cos (x - pi/2) + 3

Note that the standard form of cosine function is a cos (bx + c) + d

a= amplitude

-c/b = phase shift

d = vertical shift

After moving pi/6 to the left --

x = pi/2 - pi/6 = pi/3

once moving pi/6 left, it is at pi/3

moving 4 units up just means adding 4 + 3, and that equals 7, that would be the vertical shift once applied.

So the equation that represents g(x) is C. 9 cos (x - pi/3) + 7

The equation that represents the function g(x) is [tex]g(x)=9 \cos (x- \frac{\pi}{3})+7[/tex]

The function is given as:

[tex]f(x)=9 \cos (x-\frac{\pi}{2})+3[/tex]

The function f(x) is first translated [tex]\frac{\pi}{6}[/tex] units left.

The rule of this translation is:

[tex](x,y) \to (x + \frac{\pi}{6},y)[/tex]

So, we have:

[tex]f'(x)=9 \cos (x+ \frac{\pi}{6}-\frac{\pi}{2})+3[/tex]

Take LCM

[tex]f'(x)=9 \cos (x+ \frac{\pi - 3\pi}{6})+3[/tex]

[tex]f'(x)=9 \cos (x- \frac{2\pi}{6})+3[/tex]

Divide 2 by 6

[tex]f'(x)=9 \cos (x- \frac{\pi}{3})+3[/tex]

Next, we translate f'(x) 4 units up.

The rule of this translation is:

[tex](x,y) \to (x,y+4)[/tex]

So, we have:

[tex]g(x)=9 \cos (x- \frac{\pi}{3})+3 +4[/tex]

[tex]g(x)=9 \cos (x- \frac{\pi}{3})+7[/tex]

Hence, the equation that represents the function g(x) is [tex]g(x)=9 \cos (x- \frac{\pi}{3})+7[/tex]

Read more about function transformation at:

https://brainly.com/question/1548871

To rent a midsize car for one day, Speedy charges a flat rate of $41 plus an additional fee of $0.10 per mile driven. Write an equation that relates the total cost of the car rental for one day as a function of the number of miles driven .

Answers

Answer:

C(m) = 41(flat rate) + .10m(rate per mile)

Step-by-step explanation:

Someone please help me with this
Your distance from lightning varies directly with the time it takes you to hear thunder. If you hear thunder 10
seconds after you see the lightning, you are about 2 miles from the lightning.

a. Write a direct variation equation for the relationship between time and distance.

b. Estimate how many seconds it would take for the thunder to travel a distance of 4 miles.

Answers

Answer:

[tex]a.\ D=\dfrac{1}{5}t[/tex]

b. 20 seconds

Step-by-step explanation:

Let [tex]D[/tex] be the distance in miles and

[tex]t[/tex] be the time in seconds and

[tex]s[/tex] be the speed in miles/sec

Formula for Distance is given as:

[tex]Distance = Speed \times Time\\OR\\D=st[/tex]

Given that:

Distance = 2 miles and

Time = 10 seconds

Putting the values in formula:

[tex]2=s\times 10\\\Rightarrow s =\dfrac{1}{5} \ miles/sec[/tex]

Answer a:

Putting the value of [tex]s[/tex] back in the formula to find the direct variation equation for the relationship between time and distance:

[tex]D=\dfrac{1}{5}t[/tex]

Answer b:

Using the above formula and putting [tex]D=4\ miles[/tex]:

[tex]4=\dfrac{1}{5}t\\\Rightarrow t =\bold{20\ seconds}[/tex]

Paulo's grandfather gave him a collection
of 20 coins. Each month Paulo adds 4 coins to his collection. Which inequality can be used
to find m, the number of months after starting
his collection when Paulo will have more than 50 coins in his collection?

Answers

Answer:

20 + 4m >50

Step-by-step explanation:

you plan to run 2 miles but only make it 3/4 of the way how many miles did you run in total

Answers

Answer:

Step-by-step explanation:

In triangle ABC, the measure of angle B is 13 more than the measure of angle A, and the measure of angle C is 9 less than twice the measure of angle A.  Find the measure of each angle

Name an angle that is supplementary to ABC

Answers

I think the answer is Right angle

At a pumpkin patch, if Armando guesses the weight of his pumpkin within 0.3 pounds, he gets to take the pumpkin home for free. If his pumpkin weighs 4.9 pounds, which two equations can be used to find the minimum and maximum weights he can guess in order to get his pumpkin for free?

x – 0.3 = 4.9 and x – 0.3 = –4.9
x + 0.3 = 4.9 and x + 0.3 = –4.9
x + 4.9 = 0.3 and x + 4.9 = –0.3
x – 4.9 = 0.3 and x – 4.9 = –0.3
Please Help <3

Answers

Answer:

x – 4.9 = 0.3 and x – 4.9 = –0.3

Answer:

d

Step-by-step explanation:

The sum of four consecutive integers is 298. What is the largest integer?

Answers

Answer:

largest number =76

Step-by-step explanation:

let the consecutive integers be x,x+1,x+2,x+3

x+x+1+x+2+x+3=298

4x+6=298

4x=298-6

4x=292

x=292/4=73

numbers are 73,74,75,76

2. 12 more than 5 times c

Answers

Answer:

5c + 2.12

Step-by-step explanation:

5 × c = 5c2.12 more than 5 × c = 5c + 2.12

I hope this helps!

Matt filled his pail with 16 kg of sand, but found that it was too heavy to carry. He scooped out 7 kg of the sand. What is the mass of the sand in the pall now?
9 g

9001

9 kg
9g​

Answers

Answer:

9kg

Step-by-step explanation:

..................

Answer:

9kg

Step-by-step explanation:

16k-7kg=9kg

Rena is building a 1 : 180 scale model of a real castle. Her model has a rectangular base that is 333 feet wide and 444 feet long.

What is the area of the base of the actual castle in square feet?

Answers

Answer:

26,613,360 ft^2

Step-by-step explanation:

333 feet wide and 444 feet long

333 ft x 444 ft

147,852 ft^2

147,852 = the 1 in the 1:180 ratio, so...

147,852 x 180 = 26,613,360 ft^2

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