Mathematics Middle School

42- _____ = 31
with explanation plz

Answers

Answer 1

Answer:11

Step-by-step explanation:11 bc 42-11=31

Answer 2

Answer:

11

Step-by-step explanation:

To figure this out you just need to to do 42 - 31

Related Questions

What is the multiplicative inverse of the number 5?

Answers

The correct answer is D. 1/5
D/15 the answer i think

what is one and on half time one pint

Answers

The answer is 1.5 pints
1.5 pints:):):):):):):):):)):):):):):):):):):):):):):)::):)):):)):):):):

Here is questions for you because such thing as spring break is over ;)

Answers

Answer:

I don't now why but by seeing this photo my mouth is watery

Answer:yes

It I’ve it started on 29 and end on Monday

Show the work please

Answers

its 16x^2 i'll give explanation in a second

Use the scale drawing to determine how wide the duck pond is?
pls hurry

Answers

There’s no picture. Do it again and add the picture. Then we can see the scale

USE THE SQUARE ROOT PROPERTY!!!!!

the sides of a square are reduced by 2 inches. the new area is 20 square inches. Set up and solve an equation to find the original length of the square

Answers

Answer:

Step-by-step explanation:

x = original length of one side

(x-2)² = 20 inches²

x-2 = ±√20 = ±2√5

x = 2±2√5

2-2√5 is an extraneous solution,

so x = 2±2√5 ≈ 6.47 inches

PLZZZ help with this its pretty simple!

Answers

Answer:

5

Step-by-step explanation:

x² + 8x + 12=

(-1)² + 8(-1) + 12=

1 - 8 + 12=

-7 + 12 = 5

Answer:

5

Step-by-step explanation:

-1x-1-8+12=1-8+12=5

each bag of cereal should contain 350 grams. a box was selected at random and weighed 342 grams. what is the percent error?

Answers

Answer:

the percentage error is 0.02286 x 100% = 2.286%.

Step-by-step explanation:

pls help its for a grade and i need to up my grade

Answers

Answer:

l

Step-by-step explanation:

what’s (6x10^3) / (3x10^2)

express your answer in scientific notation

Answers

the answer would be 20 in scientific notation
The answer is 20 in scientific notation

PLEASE EXPLAIN THIS IM SO CONFUSED (dont send links)
_____________________________________________________
Lyn played a trivia game. She answered 6 questions and received the following scores: 200, -400, 100, -600, 700, and 200. What was Lyn's score?

Answers

200 was her score. you are just adding all the numbers, including the negatives

Answer: Her end score would be 200 points.

Step-by-step explanation:

Add everything together like so, 200+-400+100+-600+700+200 and that equals 200

Dani experimented with a dollar bill and the copy machine a dollar bills length is 6.1 inches and width is 2.6 inches, she reduced the dollar bill so its length was 80% of its original size. What is the length of the copy of the dollar bill? please show how you figured it out :)

Answers

Hi, make sure not to click links

b. Write an equation that shows the relationship 64% of
y is 40.

c. 45 of x is 72 find the value if x

Answers

B.

[tex]0.65 \times y = 40 \\ y = \frac{40}{0.65} [/tex]

C.

[tex].45 \times x = 72 \\ x = \frac{72}{.45} \\ x = 160 \\ 45 \: percent \: of \: 160 \: is \: 72[/tex]

HELPPPPPPPPPPPPPPPPPPPP!!!!!!!!

Answers

Answer:

y+1 = -1/3(x+3)

Step-by-step explanation:

we can use this formula to  answer this question

y-y1 = m(x-x1) where y1 and x1 indicate the coordinates of the point and m indicates the slope

y-(-1) = -1/3(x-(-3)

y+1 = -1/3x-1

y = -1/3x -2

y= -1/3x - 2
Explanation:

Help please ill make brainliest

Answers

Answer:

1) Dots

2) Blank

3) Stripes

4) Stars

Step-by-step explanation:

Total = 30

1)

6/30 = 1/5

2)

8/30 = 2/15

3)

12/30 = 2/5

4)

4/30 = 2/15

In 10^3(exponent), 10 is the base, and 3 is the exponent. That means 10 will appear as a factor 3 times: 10 · 10 · 10. 10^3(exponent)​​ = 1000.
​


In 2^7, how many times will 2 appear as a factor?

A
2

B
14

C
7

D
9

Answers

C. 7 2^7 makes 2 appear 7 times
I think b I’m not sure

Jessica buys a computer that originally cost $1,015 using a 20% off coupon. Sales tax in her city is 5%. How much will she pay for the computer? Show/explain how you know!

Answers

Answer:

852.6

Step-by-step explanation:

Coupon
20% of 1,015 is $203.
1,015-203=812
Tax
5% of 812 is $40.60
812+40.6=852.6
After the coupon and tax she has to pay $852.6

plz plz plz help plz i need help

Answers

Answer:

62/10

Step-by-step explanation:

All the other options are positive integers, which are natural numbers.

Answer:

[tex] \frac{62}{10} [/tex]

is a fraction which isn't a natural number,

and

[tex] \frac{40}{4} [/tex]

can be simplified to get 10, which is natural number and others are natural numbers too

62/10 is not a natural number

correct option A

How do i do this and help me! Fast!!!

Answers

Answer: 1. 7,   2. 0,   3. 4,    4. 7,   14

Step-by-step explanation:

1. (3+4)+7=14  3+(4+x)  x=7   14-3+4

2. 15+0=15  15-15=0

3. (4x12)x6=288 Yx(12x6)  12x6=72 288/72= 4

4. (2x7)x5=70 2x(Yx5)  2x5=10  70/10=7 Y=7

5. 14x35=490 490/35=14

^^ what they said on top of my answer !

Demarcus has a cereal box shaped like a rectangular prism. It measures 758 inches long, 212 inches wide, and 12 inches high. What is the volume of the cereal box?

Answers

Answer:

1,928,352 in cubed

Step-by-step explanation:

The volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.

What is the volume of rectangular prism?

The volume of rectangular prism is given by :-

[tex]\rm Volume = Length \times Width \times Height[/tex]

Demarcus has a cereal box shaped like a rectangular prism. It measures 7 5/8 inches long, 2 1/2 inches wide, and 12 inches high.

The volume of the cereal box is determined in the following steps given below.

[tex]\rm Volume = Length \times Width \times Height\\\\\rm Volume = 7\dfrac{5}{8}\times 2\dfrac{1}{2} \times 12\\\\\rm Volume = \dfrac{7\times 8+5}{8} \times \dfrac{2\times 2+1}{2} \times 12\\\\\rm Volume = \dfrac{61}{8} \times \dfrac{5}{2} \times 12\\\\Volume =\dfrac{3660}{16}\\\\Volume=228\dfrac{3}{4}[/tex]

Hence, the volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.

Learn more about prism here;

https://brainly.com/question/3244285

#SPJ2

I am not in a joking mood
DON'T DO ANYTHING DUM

Answers

Answer:

[tex]\frac{3}{4}[/tex]

Step-by-step explanation:

Probability of rolling an even number P(A):

[tex]\frac{3}{6}[/tex] = [tex]\frac{1}{2}[/tex]

Probability of flipping tails P(B):

[tex]\frac{1}{2}[/tex]

P(A OR B) = P(A) + P(B) – P(A AND B)

[tex]\frac{1}{2}[/tex] + [tex]\frac{1}{2}[/tex] - ([tex]\frac{1}{2}[/tex] x [tex]\frac{1}{2}[/tex]) =  [tex]\frac{3}{4}[/tex]

What is the area of the figure below?


40 mm2
80 mm2
88 mm2
96 mm2

Answers

The answer for this question is 88mm2
88 mm2 that the answer

Part of the population of 5,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 10 of them are infected. How many elk are likely to be infected?

Based on the sample, there will likely be infected elk in the wildlife preserve. List the next 4 multiples of the fraction 5/6

Answers

Answer:

575

Step-by-step explanation:

If a sample of 50 is selected and ten out of that are infected, dividing you would get my answer. To get it, divide the sample amount that were infected by the whole amount. I am unsure if this is correct but fingers crossed this helps. Feel free to talk it through with me.

A restaurant placed a 2- quarter pitcher of water on each 76 tables. the water was severed from from a 50- gallon containter. How many QUARTS of water remained in the 50- gallon container after all ther pitchers were filled

(4 quarts=1 gallon)

Answers

Answer:

There would be 12 gallons left

Step-by-step explanation:

If there was 76 of the 2 quarter pitchers that would make 152 Qt and 152 Qt equals 38 gallons so 50 - 38 = 12

Answer is 24

Step by step.

(50x2)-76

Don't guess!
I will mark brainliest if its correct!
Don't answer if you don't know!
Also no links!
And show your work plz!

Answers

Answer:

The correct answer would be J; [tex]\frac{1}{2} r + 2[/tex];  

Step-by-step explanation:

Using the algebra;

[tex]\frac{1}{2} * r[/tex] = [tex]\frac{1}{2} r[/tex]

[tex]\frac{1}{2} * 4 = 2[/tex]

Altogether this would give "J" as the answer.

Hope this helps!

Answer:

J

Step-by-step explanation:

1/2(r+4) you distributing 1/2 to r and 4

Which basically divides them in half

write a real world problem in which you need to find the volume of a right rectangular prism. solve your problem

Answers

Answer:

Bh=v

Step-by-step explanation:

You and your friend are competing to see who can buy the biggest game cards in the biggest box. You buy a rectangular box of game cards. Your friend also buys a rectangular box of game cards with a volume of 76in³. The bottom of your box has a length of 13in and a width of 4in. The height of your box is 23in. Find the volume of your box to see if it is bigger than your friends.

John bought a screwdriver for $7.75 plus tax. The total cost was $8.37. What was the tax rate

Answers

Answer:

62 percent

Step-by-step explanation:

[tex]8.37 - 7.75 \\ = 0.62 \\ 0.62 \times 100 \\ = 62\%[/tex]

62%


8.37-7.75 = 0.62
0.62 x 100 = 62%

what category does all these shapes belong to?

Answers

Answer:

rectangle

Step-by-step explanation:

plz mark brainliest

Answer:

Step-by-step explanation:

there are 60 in in 5 feet how many inches are in 8 ft

A. 63 in
B. 72 in
C. 96 in
D. 80 in​

Answers

Answer:

ABCD

Step-by-step explanation:

JUST BECAUSE

Answer:

your answer is C:96in

Step-by-step explanation:

Juan wants to find out the percentage of students in his middle school who like to watch soccer. Which of the following strategies should he use?
A Ask a random group of people playing soccer after school.

B Divide the number of players on the soccer team by the total number of students in the school.

C Invite people to watch a soccer game at his house and record the percentage of people who come.

D Ask a random group of students from each grade as they enter the cafeteria for lunch.

Answers

Answer:

C or D

Step-by-step explanation:

My gut feeling tells me its either these 2.

Hope i helped:)

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