Mathematics Middle School

Petri did the following problem but got the wrong answer. She needs to correct her mistake and turn the problem back in.

(5 - 3) 2 ÷ 3 • 7 + 1

25 - 9 ÷ 3 • 7 + 1

25 - 3 • 7 + 1

25 - 21 + 1

4 + 1

5

What correction does Petri need to make?

A. She needs to multiply 3 times 7 before she divides.
B. She needs to change 25 to 10.
C. She needs to add before she multiplies.
D. She needs to subtract 5 - 3 first.

Answers

Answer 1

Answer:

Im not 100% on this but i think its D

Step-by-step explanation:

Answer 2

Answer:

The answer is d.

Step-by-step explanation:

Related Questions

You are canning 40 cups of applesauce. You have 20 glass jars, each of which will hold 134 cups of applesauce. Choose the correct explanation(s) that explain why you do not have enough jars.

Answers

Answer:

You DO have enough jars! I do not understand!

Step-by-step explanation:

You are only canning 40 cups. This will be filled in less than one jar!

You do have enough cups

Choose two numbers from this list: 3, 4, 6, 12. Explain the difference between finding the greatest common factor and least common multiple of the two numbers.

Answer in at least 2 complete sentences.

Answers

For example let’s pick 6 and 12. To find the greatest common factor, you will break down the number into the numbers you can multiply to get 6 or 12 as much as you can until you reach a prime number.
Now to find the least common multiple, you can set two tables, one of the multiples of 6 and another of the multiples of 12 and see what numbers they have in common and select the smallest number of the multiples they have in common.

What he said I’m just here for the clout

Help!!!!! This is the last one.

Answers

Answer:

C. 12 pages

Step-by-step explanation:

Doreen can get done 2 pages in 5 minutes. there is 30 min in half an hour so 5÷30=6

6x2=12

sorry I am not The best in explaining.

i think it’s 6. because it’s 60 min / 5min = 12 / 2 = 6

Find the slope of the line

Answers

I think the slope of the line is 1/2, I couldn’t really tell from the picture.

Plz help I will mark brainlest on first answer!

Answers

1. D. 950 km

----------------------

3.8x250 = 950

2. C. PQ

------------------------------

XY corresponds to PQ

B,c,D do look close to being right closely and I could be wrong but I’m just trying to get my question asked so go with YZ (b) because it’s on the right angle and is parallel to RQ

00:00

Mia agrees to borrow a 3-year loan with 4% simple interest to buy a motorcycle.

Part A
If Mia will pay a total of $444 in interest, how much money did she initially borrow? Enter your answer in the box.

$

00:00

Part B
How much interest would Mia pay if the simple interest rate were 5%? Enter your answer in the box.

$

Answers

Answer:

Part A: She borrowed: 3700

Part B: She would pay 555 in interest.

Step-by-step explanation:

Since, simple interest is,

Where, P is the principal amount,

r is the annual rate of interest,

t is time ( in years ),

Part A : Here, S.I. = $ 444,

t = 3 years,

r = 4 %,

Thus,

Hence, She borrowed $ 3700.

Part B :

Here, r = 5 %, t = 3 years, P = $ 3,700,

Hence, She would pay $ 555 interest.

What should the following rate be divided by to convert it to a unit rate?

6 inches
________
12 hours

Answers

Answer:

Unit rate is a rate that has 1 as denominator.

Given the rate: 6 inches / 12 hours, we have to divide numerator and denominator by 12 to transform the denominator in 1, as follows:

\frac{6}{12} = \frac{6/12}{12/12} =

6cm base, 3cm height

(b+13)/2 = 5b/1.5
solve for b using scale factor.
Guys I'm completely lost... Can you please show your work so I know how to get the answer for future problems like this!!

Answers

Doesn’t look middle school to me

Answer:

Step-by-step explanation:

(b+13)/2=5b/1.5

We move all terms to the left:

(b+13)/2-(5b/1.5)=0

We add all the numbers together, and all the variables

(b+13)/2-(+5b/1.5)=0

We get rid of parentheses

(b+13)/2-5b/1.5=0

Which ratio is equivalent to 1 to 2?
Group of answer choices

2 to 4

2 to 1

1 to 4

17

Answers

Answer:

2:4 is the correct answer

Step-by-step explanation:

2 to 4 is the correct answer

HELP PLEASE I NEED IT NOW

Answers

Answer:

3rd option(more than 45)

Step-by-step explanation:

6-3=3

the difference in each person's cost

how many people it takes to make up the 135 dollars extra

135/3=45

Sammy buys his clothes at SuperDuper Discount Store. On Saturday, he bought shoes regularly priced at $40 for 25% off, and a jacket regularly priced at $100 for 30% off. What is the total amount that he will have to pay? (Omit sales tax.)

Answers

you would have 10% chance

Step-by-step explanation:

I know, that's probably a lot to take in! :D

40 × 25% = 10

40 - 10 = 30

The final price of the shoes is $30.

100 × 30% = 30

100 - 30 = 70

The final price of the jacket is $70.

30 + 70 = 100

A N S W E R:

The total price of the items Sammy bought (no including sales tax) is $100.

A rectangle has its diagonal length increased from 5 cm to 25 cm. The new rectangle is similar to the original one. The original perimeter was 14 cm. What is the measure of the new perimeter?

Answers

Answer:

The measure of the new perimeter is 70cm.

Step-by-step explanation:

I thought putting up a picture would be easier than explaining it all. The picture is how you would write out the problem.

The original rectangle's measures were 5cm and 14cm. The new rectangles measures are 25 cm and X (We don't know yet.) So write it out. 5cm is to 14cm as 25cm is to X.

5cm/14cm = 25cm/X

Cross multiply. (The arrows I drew. Multiply diagonally.)

You should get

350 = 5X

We need to get X by itself, so divide both sides by 5.

5X/5 leaves X left

350/5 leaves 70

70 = X

The answer is 70 maybe?

The ratio of boys to girls in the schools' math team is five to six. Which combination of boys to girls could the team have?

ten boys to twelve girls

thirty boys to twenty five girls

twenty five boys to thirty girls

eighteen boys to fifteen girls

twelve boys to ten girls

fifteen boys to eighteen girls

Answers

Answer:10 boys to 12 girls or 15 boys to 18 girls

Answer:

It is ten boys to twelve girls

Step-by-step explanation:

Take the number of boys to the number of girls. There is only two teams so multiply both teams by two and you'll get your answer. ( hope this made since)

If 9 fully loaded trucks carry a total of 140,400 pounds, how many pounds can 3 trucks carry?

Answers

Answer: 7000,200 pounds

Step-by-step explanation:

Answer:

46,666.7 pounds for three trucks.

Step-by-step explanation:

Set up a proportion. Find out what 1 truck will carry.

x/1 = 140,000 pounds/9 I take that the period should be a comma.

x = 15555.6 pounds

Now Three trucks out to carry 3 times as much.

3*15555.6 = 46666.7 pounds

The florist makes the greatest number of identical arrangements with the carnations and asters. She has 72 carnations and 42 asters. How can she decide how many carnations to place in each arrangement?
A. Subtract the number of asters from the number of carnations.
B. Divide the number of carnations by the GCF of 72 and 42.
C. Find the least common multiple of 72 and 42.
D. Find the greatest common factor of 72 and 42.

Answers

Answer:

Step-by-step explanation:

Divide the number of carnations by the GCF of 72 and 42.

Match each quantity in the first list with an appropriate unit of measurement from the second list.
g

1.
The volume of a refrigerator

2.
Distance a person can run in 10 minutes

3.
The surface area of a tissue box

4.
The perimeter of a baseball field

5.
The surface area of the moon

6.
The volume of a large lake

7.
The length of macaroni noodle

8.
The area of a bed sheet
a.
cubic kilometers
b.
square inches
c.
meters
d.
square kilometers
e.
centimeter
f.
mile
g.
cubic feet
h.
square feet

Match them up

Answers

i hope this helps!!!!

Can someone help me with these questions. (Answer 1 or answer them all I don't care.)

Answers

The answer to the first one is 6.5

Answer:

1 is 6.5 2 is b 3 is A

Step-by-step explanation:

So I was doing a hooda math escape game, and forgot how to do these. Can you help me?

Answers

to find the radius you divide the circumference by 2pi

area is pi times radius to the 2nd power

Can anyone help me?
I'll put all the questions here.

1) Describe the pattern that is being followed: 1, 5, 10, 16 . . .
What are the next two numbers in the sequence?

2) Describe the pattern that is being followed: 1, 3, 7, 15 . . .
What are the next two numbers in the sequence?

3) Describe the pattern that is being followed: 1, 2, 3, 5, 8 . . .
What are the next two numbers in the sequence?

Will mark brainly if you get all of them!!

Answers

It’s moves 1 up every time

Answer:

Step-by-step explanation:

1) 1 +4=5

5+(4+1) = 10

10 +(4+2)= 16......

2) 0+1 = 1

1+2 = 3

3+4 = 7

7+8= 15

ADD THE NEXT NUMBER 15+16 = 31

3) 0+1 = 1

1+1=2

2+1= 3

3+2 = 5

5+3= 8 8+5=13.........

Put the following fractions in order from least to greatest, 1/8 2/5, 3/5, 1/6 1/4, 2/3, 1/3

Answers

Answer:

Order from Least to Greatest

1/8 < 1/6 < 1/4 < 1/3 < 2/5 < 3/5 < 2/3

Step-by-step explanation:

A fraction is a way to describe a part of a whole. The given fractions can be arranged as shown below.

What is a Fraction?

A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.

In order to put the following fractions in order from least to greatest, we need to take the LCM of the fraction so that all the fractions have the same denominator.

1/8, 2/5, 3/5, 1/6, 1/4, 2/3, 1/3

Since the LCM of 3, 4, 5, 6, and 8 is 120. Therefore, the fractions can be written as,

1/8 = (1/8) × (15/15) = 15/120

2/5 = (2/5) × (24/24) = 48/120

3/5 = (3/5) × (24/24) = 72/120

1/4 = (1/4) × (30/30) = 30/120

2/3 = (2/3) × (40/40) = 80/120

1/3 = (1/3) × (40/40) = 40/120

Now, the fractions can be arranged as,

15/120 < 30/120 < 40/120 < 48/120 < 72/120 < 80/120

Rewriting the fraction in there original form,

1/8 < 1/4 < 1/3 < 2/5 < 3/5 < 2/3

Learn more about Fraction:

https://brainly.com/question/1301963

#SPJ2

PLZ HELP ME IM VERY CONFUSED! BRAINLIEST TO THE FISRT PERSON WITH WORK! AND 50 POINTS! AND ONLY ANSWER IF YOU HAVE AN ANSWER!!!!!!!!!!

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute.

Part A: Define the input and output in the given scenario.

Part B: Write a function to model this situation.

Part C: How many liters of water will be left in the tank after 10 minutes
(hint: liters, not milliliters)

Answers

Answer:

The output would depend on the input so relating this to the question, the input is the time (in minute) and the output is the amount of water left in the tank

We can give a letter 't' for the time, the input, and f(t) for the output

----------------------------------------------------------------------------------------------------------------

The original amount of water in the tank is 10450, so this will be the fixed constant.

The amount of water lost per minute is 270 so this will be the term that varies depends on the variable of time, we write this as 270t

The function is given f(t) = 10450 - 270t

--------------------------------------------------------------------------------------------------------------

Given, t = 10

f(10) = 10450 - 270(10)

f(10) = 7750 ml

Step-by-step explanation:

Answer:

Part A:

Since the rate of 270 ml per minute has units of ml per minute, then yy must have units of ml and x must have units of minutes. The input must then be the number of minutes the tank is leaking for and the output is the number of ml of water remaining in the tank.

Part B:

Since the tank is leaking 270 ml per minute, then after x minutes, 270x ml of water has leaked out of the tank. The tank initially has 10,450 ml of water so after x minutes, there is y=10,450−270x ml remaining in the tank.

Part C:

After x=10 minutes, the amount of water remaining in the tank is y=10,450−270(10)=10,450−2,700=7,750 ml. There are 1,000 ml in 1 liter so 7,750 ml = 7.75 liters. There are then 7.75 liters of water left in the tank after 10 minutes.

There are approximately 7.5 × 10 18 grains of sand on Earth. There are approximately 7 × 10 27 atoms in an average human body. Are there more grains of sand on Earth or atoms in an average human body? How do you know?

Answers

Answer:

147

Step-by-step explanation:

i used a calculator/ kinda common since

Answer:

7.5 x 10^18 = 7500000000000000000

7 x 10^27 = 7000000000000000000000000000

Step-by-step explanation:

Therefore, there are more atoms in the human body.

8. The figure shows a triangle ABC where
ZABC = 35. H lies on BC such that the length
of HC is twice that of BH. Find ZACB.

Answers

Answer:

theres no choices ?

Step-by-step explanation:

Answer:

Step-by-step explanation:

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