450 mistakes in 9 tests. How many mistakes per test?

Answers

Answer 1

Answer:

50

Step-by-step explanation:

all you have to do is Divide 9 ÷ 450 the answer is 50.

50 mistake per tests.

Answer 2

Answer:

50 mistakes per test. 450 mistakes divided by 9 tests =50


Related Questions

What is 6 divided by 1/2?

Answers

Answer:

12

Step-by-step explanation:

Make 6 a reciprocal which would be 1/6 then change the division sign to multiplication so 1/6 x 1/2 will be 12

Find the solution to the system: y=4x and 3x+2y=55

Answers

Answer:

x = 5, y = 20

Step-by-step explanation:

if y = 4x and 3x+2y = 55 then we can subtitude y as x.

We know that y = 4x so we can write 4x wherever we see y.

3x + 2y = 3x + 2(4x) = 55

3x + 8x = 55

11x = 55

x = 5.

And if y = 4x = 4(5)

y = 20  

8(6g- 5h+8) I need help.

Answers

Answer:

The answer is 48g-40h+64

Which of the following is the inverse relation of the set?
{(5, –2), (3, –3), (4, 6), (–1, –7)}
{( –2, 5), (–3, 3), (6, 4), (–7, –1)}

B)

{( –4, 10), (–6, 6), (12, 8), (–14, –2)}

C)

{( –3, 5), (–2, 3), (–1, 4), (–7, 6)}

D)

{(2, –5), (3, –3), (–6, –4), (7, 1)}

Answers

9514 1404 393

Answer:

  A)  {( –2, 5), (–3, 3), (6, 4), (–7, –1)}

Step-by-step explanation:

The ordered pairs of an inverse relation are the reverse of the ordered pairs of the original relation.

You will be looking for ordered pairs that have first values the same as the original relation's second values: {-2, -3, 6, -7}. That list is found in choice A.


The rate at which a plant grows is constant. At the 3rd week it is 12 inches tall and at the 5th week it is 20 inches tall. If this
information is plotted on a coordinate plane, what is the y-coordinate of the the point (1. y)?

A - 1

B- 2

C- 4

D- 9

Answers

Answer:

4

Step-by-step explanation:

3 (week), 12 (inches)

(3,12) = (1,4)

(x,y)

x=1

y=4

Ans- y=4

what is 287.5/25 simplified I’m literally close to tears help

Answers

Answer:

11.5

Step-by-step explanation:

I hope this helps :)

Answer:

11.5

Step-by-step explanation:

have a great day <3

In math what is 2x=y+b

Answers

Answer:

y= -2x+b

Step-by-step explanation:

How many square feet of outdoor carpet will we need for this hole?

Answers

Answer:

[tex]42 ft^{2}[/tex]

Step-by-step explanation:

[tex]Area=rectangle+2triangles[/tex]

[tex]=11*3+.\frac{3*2}{2} +\frac{4*3}{2}=42ft^{2}[/tex]

A local florist buys a dozen roses for x dollars. He plans to sell the roses at a 40 % mark-up. What expression shows the selling price of the one dozen roses?

Answers

Answer:

1.40x I think :)

Which expression is equivalent to ( xy -6)2 for all values of x and y where the expression is defined?

Answers

Answer:

 ( x y -6)²  =  x² y² - 12 xy + 36            

Step-by-step explanation:

Explanation:-

Given that the expression ( x y -6)²

Apply formula (a-b)² = a² -2ab + b²

( x y -6)² = (xy)² - 2 × xy× 6 + (6)²

             = x² y² - 12 xy + 36

( x y -6)²  =  x² y² - 12 xy + 36            

Answer:

xy^36

Step-by-step explanation:

Help I need one more number but I have no clue what it is!!!!!!!!!!!!!

Answers

Answer:

The point of intersection with the x axis are (-2,0) and (8,0)

Step-by-step explanation:

given circle equation x²+y² = 25

x² + y² = r²

r is the radius.

✓(25) = 5

given the center is at (3,0) and radius of 5

(3+5,0) and (3-5,0)

(8,0) and (-2,0)

(Please heart the answer if you find it helpful, it's a motivation for me to help more people)

Its 21356478392947uejeh

Select the correct answer from the drop-down menu.

Answers

Answer:

The first one is y=1/2

The second one is -17/27

The third one is y=0

The last one is -3/11

Step-by-step explanation:

Not really sure what this was asking. Hope I helped.

What is the answer plz help

Answers

so the formula is V= 4/3 times pi times radius ^3 so you write in calculator 4 divided by 3 times 3.14 times 11^3 which is 5575.28 but you half it cause it’s a hemisphere so it becomes 2787.28 to the nearest tenth it is 30 inches.

What is the greatest common factor of the number pair 18 and 24

Answers

Answer:

Greatest common factor (GCF) of 18 and 24 is 6.

How many pounds of green tea, worth $40 a pound, should be mixed with herbal tea, worth $50 a pound, to produce 20 pounds of blend worth $42 a pound?

Answers

Answer:

840

Step-by-step explanation:

First you have to multiply 42 by 20. Because you have to find the total cost of the whole bag. Then a little guess and check you would get 16 lb of green tea and 4 lb of herbal tea. They both have to equal 20 lbs and $840. Multiply 16 by 40 then 50 by 4 then add them together you will get 840.

Hope this was helpful.

Answer: 16 pounds of green tea and 4 pounds of herbal

Step-by-step explanation:

Mark me brainliest.

Simplify the expression to one number using order of operations:

\frac{-8\left(2-6\right)}{2}
2
−8(2−6)

Answers

COMBINED OPERATIONSExercise

First, let's solve the subtraction (in parentheses):

[tex]\mathsf{\dfrac{-8\left(2-6\right)}{2}}[/tex]

[tex]\mathsf{\dfrac{-8(-4)}{2}}[/tex]

Now, let's solve the multiplication. Remember: in multiplication, two negative numbers will give a positive number:

[tex]\mathsf{\dfrac{-8(-4)}{2}}[/tex]

[tex]\mathsf{\dfrac{32}{2}}[/tex]

Finally, let's solve the division:

[tex]\mathsf{\dfrac{32}{2} = 16}[/tex]

Answer: 16

HELP ANSWER FAST!!!!!!

Answers

Answer:

D = {-4 ≤ x ≤ 1}

R = {5 ≤ x < 1}

Yes, it is a function

Step-by-step explanation:

Hello! Good Afternoon!!!! Please help me with these two math questions!

Answers

Answer:

first 2/21 2nd 4/43

Step-by-step explanation:

Answer for 3:

$4467.25

Answer for 4:

None of them. Are there any other solutions?

Find 3 equivalent ratios for
4/12.

Answers

Answer:

8:24, 24: 72, 16:48

Step-by-step explanation:

There's a lot just multiply them by the same number

1/3 2/6 and 3/9 AND IT KEEPS SAYING I CANT SEND IT LEMME SEND IT PLZZZ





WILL MARK BRAINIST!Complete the similarity statement.

Answers

Answer:

it is the second one

Step-by-step explanation:

Find slope intercept form.
(5,7) (25,12)

Answers

Answer:

Y = 1/4x + 23/4

Step-by-step explanation:

Which best represents the solution to this system of equations?

Answers

Answer:

a. (3,-2) that is the answer

, I already study this lesson

solve x·x·y·y·y = _____

Answers

Step-by-step explanation:

there are 2x and 3y so since it is multiplication you can directly write like below

2x•3y

6xy

Answer:

2x 3y

Step-by-step explanation:

I don't think that's an actual equation, but I'm sure it would just be this

what is 28 divided by 1.0000

Answers

28 divided by 1.0000 is 20

Answer:

It's still gonna equal 28

Pls help me will mark brainliest................

Answers

Answer: A) 356.48m²

Step-by-step explanation:

divide up the shape:

square:

a=s*s

16*16=256m^2

Semicircle:

a = 0.5*πr²

(r would be half of a square side which is 8)

0.5*3.14*64=100.48

Add up the shapes:

100.48+256=356.48m²

another histogram question
i need help

Answers

Total big squares: 16 + 12 + 20 + 3 = 51

51 - 8 = 43

43/51 = 0.84 = 84%

help i still do not know

Answers

Answer:

6xy - 42x

Step-by-step explanation:

Distributive property: distribute the 3x.  Multiply 2y*3x and -14*3x

(3x*2y) + (3x*-14)

= 6xy + (-42x)

=6xy - 42x

The FitnessGram Pacer test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter Pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute after you hear this signal *boop*. A single lap should be completed each time you hear this sound *ding*. Remember to run in a straight line, and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark, get ready, start.

Answers

Answer:

i-

Step-by-step explanation:

Hmm yes you are correct

Lauren had 2 2/3 yards of ribbon. She used 4/5 of the ribbon. How many yards of ribbon did Lauren use?

Answers

Answer:

2 2/15 or 2.13333333

Just did it

Answer:

2 2/15 yds

Step-by-step explanation:

2 2/3 x 4/5 = ?

8/3 x 4/5 = 32/15 = 2 2/15 yds

what is the median of the data set? 38, 65, 72, 67, 80​

Answers

67 should be correct
I believe it is 64.4 because you add all 5 numbers and the divide by 5
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