#5 George took a 30 question math quiz. She got 10% of the questions incorrect. How many questions did she
get incorrect?

Answers

Answer 1

Answer:

  3

Step-by-step explanation:

Number of Questions = 30

Percentage incorrect = 10%

10% = 10 / 100 x 30

= 300 / 100

= 3

George got 3 questions incorrect.


Related Questions

PLEASE HELP ITS DUE TONIGHT!

Answers

Answer:

2x = 7y

Step-by-step explanation:

2 Yogurts = $7

4 Yogurts = $14

6 Yogurts = $21

8 Yogurts = $28

10 Yogurts = $35

Help!!! Thank you


Math xl





Answers

Answer:

A= 648 :)

Step-by-step explanation:

PLEASE HELP ILL GIVE BRAINLIEST ASAP

Answers

Answer:

hope you can figure it out from the but incase you can't it's D.

Step-by-step explanation:

10% off $40 would be $36 15% off $45 would be $38.25

$36 > $38.25

Kaitlyn makes 65% of her free throws on the basketball court. If she attempts 50 free throws in practice, about how many would you expect her to make?

Answers

32.5 , so about 32 or 33 throws

Answer: Its 33 !

Step-by-step explanation:

Okay so its actually not that bad at all !

So STEP 1

Convert your percent into a decimal : 65% -->  .65

STEP 2 you still following me you got this !

since kaitlyn attempts to throw  50  free throws all you need to do is multiply your decimal you converted by 50

it would look like this   .65 X 50 = 32.5

Step 3

Depending on what your answer choices are 32.5 is going to have to be rounded upwards remember anything at or above 5 you round up. Anything below 5 you round down so your answer will be  33 in this problem

Summary  

when seeing questions like this  convert that percent into a decimal  then depending on what is being counted for. you multiply your decimal by the number !  Hope this helps thanks for reading <3




HELP ME PLEASE!


 Jessica is planting a garden. It has the shape of a right triangle. She wants 4 plants for each square yard of area. How many plants does she want in the​ garden?

A right triangle has a base of length 9 yards and a height of 12 yards. The longest side has length 15 yards

Answers

Answer:

216 plants

Step-by-step explanation:

To answer this question :

Determine the area of a triangle Multiply the area of the triangle by the number of plants per square yard

Area of a triangle = 1/2 x base x height

1/2 x 9 x 12 = 54 yards²

54 x 4 = 216 plants

It takes 3/4 of a cup of sugar to make one batch of cookies how many cups of sugar does he need to double the recipe

Answers

Answer:

Step-by-step explanation:

3/4 cups → 1 batch

x cups    → 2 batches

 

x = 2(3/4) = 6/4 = 1 1/2 cups

 

3/4 cups → 1 batch

y cups → 9 batches

y = 9(3/4) = 6 3/4 cups

Please help write a rule to represent the secuence 3, -12, 48, ...

Answers

Answer:

multiply the value behind the other value

Step-by-step explanation:

3 x -12 = 48

-12 x 48 = -576

and so on

can someone please help me?!?!?!?!?!?!? 25 POINTS!!!!!! NO LINKS!!!!!​

Answers

Answer:

1) (1.5a , 2b)

2) a

3) (1.5a , b)

PLEASE HELP!!!!!!!!! 25 POINTS!!!!!!!!! NO LINKS, I WILL REPORT!!!!!!!!!!!!!


Find the values of x or the measurements requested (segments that appear tangent are tangent)​

Answers

Answer:

3)

x² = 9² + 14²x² = 277x = √277x = 16.64

4)

x² = 24² + 32²x² = 1600x = √1600x = 40

5)

(2x)² = 21² - 12.6²4x² = 282.24x² = 70.56x = √70.56x = 8.4

6)

XY = XW

Find x:

2x + 16 = 7x - 297x - 2x = 16 + 295x = 45x = 9

Find WX:

WX = 7*9 - 29 = 34

are the two lines x+2y=7 and 2x+4y=21 parallel or perpendicular?

Answers

Answer:

They are parallel

Step-by-step explanation:

Count the possible combinations of 3 letters chosen from A, B, C, D. The possible combinations of 3 letters are __.

Answers

Answer:

Step-by-step explanation:

We are given the letters:

2

We write the possible permutations of 3 letters from the given list:

3

Because order is not important in a combination we cross out the duplicate pairs:

4

Answer:

4

Step-by-step explanation:

n! / r!(n-r)!

n = # of total objects

r = # grouped together at a time

4! / 3!(4-3)!

4

(09.01 MC)

In circle A shown below, BD is a diameter and the measure of CB is 36°:

What is the measure of angle DBC? (4 Points)

Answers

Answer:

54degrees

Step-by-step explanation:

Find the diagram attached

Since the angle of the triangle in a semicircle is a right angle, hence <DCB = 90 degrees

Given

<DBC= 36 degrees

Required

<DBC

Since the sum of angles in the triangle DBC is 180 degrees, hence;

<DBC+<DBC+<DCB = 180

<DBC+36+90 = 180

<DBC + 126 = 180

<DBC = 180 - 126

<DBC = 54degrees

Hence the measure of angle DBC is 54degrees

Graph the quadratic inequality of y>x^2+6x+6

Answers

Answer:

Step-by-step explanation:

8a - 3 = 5(a + 7) + 3a

Answers

Answer: NO SOLUTIONS

Step-by-step explanation:

8a-3=5a+35+3a

8a-3=8a+35

-8a     -8a

-3 does not equal to 35

NO SOLUTIONS

Answer: 8a=38+8a²

Step-by-step explanation:

8a-3=5(a+7)+3a

8a-3=5a+35+3a

8a-3=8a²+35

8a=35+3+8a² (I moved 3 to put it with 35 because they are the same, I couldn't do the same for 8a and 8a² because of the 2)

8a=38+8a²

HOPE IT WORK

pie graphs anyone help????

Answers

I’m not understanding what you’re asking here

HELPPPPPPPP ME I HAVE A D+ AND GRADE GO OUT THIS FRIDAY PLZZZZZZZZZZZZZZZZ HELPPPPPPPPPPPPPPPP MY PARENTS ARE GONNA MURDER ME (NO CAP) PLZ HELP ME

Answers

Answer:

The slope of this graph is 3.5

Step-by-step explanation:

Because 28/8=3.5

Answer:

3.5

Step-by-step explanation:

Abdul Hayee had and annual income of $ 21 500 in 2018.

His annual income increased to $ 22 790 in 2019.

Calculate the percentage increase.

Answers

I’m not 100% sure I haven’t done percentage increase in a while so don’t take my word for it but I think it’s 6% but double check with someone else

I did change over original

21500-22790=1290

1290
——— x 100 = 6%
21500

But please check with someone else just in case

Jasmine bought a new stereo system for $480.50 if the tax rate is 6 1/2 what was the total cost of the stereo system?

Answers

Answer:

$511.7

Step-by-step explanation:

Given data

Cost of stereo system= $480.50

Tax= 6 1/2% = 6.5%

Let us find the amount of the tax

=6.5/100*480.5

=0.065*480.5

=$31.2

Hence the amount of the tax = $31.2

Therefore the total cost is

=31.2+480.50

=$511.7

You start at (1,-5). You move left 5 units. Where do you end?​

Answers

Answer:

QUESTION:

You start at (1,-5). You move left 5 units. Where do you end?​

ANSWER:

You end at (-4,-5)

Step-by-step explanation:

Hope that this helps you out! :)        

If you have any questions please put them in the comment section below this answer.        

Have a great rest of your day/night!        

Please thank me on my profile if this answer has helped you.

(-4,-5)

1-5=-4

Moving left and right is x-axis

“Josh drops his phone from a height of 50 feet. The situation is best modeled by h = -16t^2 +50, where h is the height in feet and t is the time in seconds. How long will it take for the phone to hit the ground? Round to the nearest tenth”

Answers

Answer:

hope this helps you out good luck

Anna has a jewelry box that is 10 inches long, 8 inches wide, and 3 inches high. What is the volume of her jewelry box?

No sites-No Free Point's-

Answers

Answer:

The box volume is 240 in^3

Step-by-step explanation:

The volume of a rectangular box is V = L*W*H.

Here, that would be V = (10 in)(8 in)(3 in)= 240 in^3

Answer:

Volume is 240 inches

Step-by-step explanation:

Volume = Length x Width x Height

 L    W   H       V

10 x 8 x 3 =  240 inches

20 divide ( 4 + 1) x 2

Answers

4+1= 5
20 divide 5 x 2
5 x 2 = 10
20 divided by 10 is 2
So your answer is 2

Answer:

[tex]\bf\huge{8}[/tex]

Step-by-step explanation:

Given that:

20 divide ( 4 + 1) x 2

To find:

simplify

formulas used:

BODMAS

where,

B = bracket O = ofD = division M = multiplication A = addition S = subtraction

explanation:

⟼ 20 ÷ ( 4 + 1 ) × 2

⟼ 20 ÷ (5) × 2

⟼ 20 ÷ 5 × 2

⟼ 4 × 2

8

20 ÷ ( 4 + 1 ) × 2 = 8.

Hence simplified ☑️

Help me pls! Thnx if u do ✨✌️

Answers

Neither of them are correct. When you plug in both of the fractions into the equation, you get answers like 2/9 (from plugging in 1/3) and 1/9 (from plugging in 1/6). None of them are equal to 9.

Can someone please help me in math?

Answers

Answer:

yes

Step-by-step explanation:

What you don't know. which chapter is hard for you?

Combine like terms to simplify the following polynomial.

6x + 7y – 9 – x + 8y + 5

A. 4x + 12y – 5
B. 42xy – 8xy – 45
C. 5x + 15y – 4
D. 13x + 7y – 4

Answers

Answer:

5x + 15 y - 4 (option C)

Step-by-step explanation:

Solve

6x + 7y – 9 – x + 8y + 5

Group like terms!

6x - x +7y +8y - 9 + 5 =

5x + 15 y - 4 (option C)

_____________________

#IndonesianPride - kexcvi

the answer to this is C

Triangle XYZ is inscribed in semicircle O shown below such that YZ = 7 and YX = 10. Which of the following
is closest to the radius of the semicircle?

(1) 5.8
(2) 6.1
(3) 11.6
(4) 12.2

Answers

Answer:

(2)   6.1

tep-by-step explanation:

∠Y is a right angle, so ΔXYZ is a right triangle

[tex]XZ^{2} = XY^{2} + YZ^{2}[/tex]

[tex]XZ^{2} = 7^{2} + 10^{2}[/tex] = 49 + 100 = 149

XZ = [tex]\sqrt{149}[/tex] = 12.2

XZ is the diameter of the semicircle, therefore, the radius is 12.2/2 = 6.1

solve the system of equations -4x- y = -18 and 2x + 3y = 24 by combining the equations

Answers

Answer:

x = 3

y = 6

Step-by-step explanation:

-4x- y = -18

2x + 3y = 24 (Multiply everything by 2)

-4x - y = -18

4x + 6y = 48

5y = 30

y = 6

-4x- y = -18

-4x - 6 = -18

-4x = -12

x = 3

help I literally got a 4/10 in my math test and my mom is like REALLLLY mad that she took my phone so I’m using my sisters ipad and she gave me advice on this app so i don’t even know if this could help but this is the page I need to complete/it’s for term 2 (week2) basically on my test well it’s apart of it so pls help- ~btw don’t look at the top cause I already completed it, I just need the 2 and 3 helppppp ima die ANDDD I used all the points I think that’s what it’s called~

Answers

Answer:

3/8 < 2/4

2/3 > 7/12

i could be wrong sorry

It should look like this:

how can I solve this 9x-5-(6-)​

Answers

Answer:

9x - 5 = 6

9x = 6 + 5

9x = 11 (divide both sides by 9 to get x)

9x/9 = 11/9

x = 1.22222222222

the last one, it’s d) 1.222,0

Concept 9.6: Find measure of angle 2. Assume that any segments that appear to be tangent are tangent.

Answers

Answer:

<2= 113

Step-by-step explanation:

134/2=67

TANGENT LINES ARE SUPPLEMENTARY

180-67=113

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