7th grade math help me plzzzz

7th Grade Math Help Me Plzzzz

Answers

Answer 1

Answer:

35

Step-by-step explanation:

Answer 2
Answer-
32cm
Hope that helped

Related Questions

Divide. Round your answer to the nearest whole number.
5,481 - 0.605

Answers

Answer:

Step-by-step explanation:

It matters what the order is when you do the rounding.

5481 = 5500

0.605 = 1

The rounded answer is 5500 / 1 = 5500

However if you do the question and then round you get a much closer answer.

5481 ÷ 0.605 = 10712

A quality control manager is inspecting four digital scales to see if they accurately reflect a weight of 0 ounces. The table shows the weight displayed on four empty scales.

Empty Scale Weight Displays
Scale 1
–1 ounce
Scale 2
–2 ounces
Scale 3
0 ounces
Scale 4
–1 ounce

What is the average error in the scale displays?

Answers

Answer:

-1 Ounces

Hope this was helpful!

Answer:

-1 ounce

Step-by-step explanation:

the product of m and the sum of m and 82. Tranlate into a variable expression

Answers

Step-by-step explanation:

This expression will be;

m(m + 82).

What is the inverse of the function f(x) = 1/4x – 12?

h(x) = 48x – 4
h(x) = 48x + 4
h(x) = 4x – 48
h(x) = 4x + 48

Answers

Answer:

h(x)=4x+48

Step-by-step explanation:

f(x) = 1/4x – 12

x=1/4y-12

x+12=1/4y

4x+48=y

h(x)=4x+48

Evaluate the distance from -4 to 8.

Answers

Answer:

12

Step-by-step explanation:

-4 + 4 = 0

0 + 8 = 8

4 + 8 = 12

Is 2|12 true or false

Answers

Answer:

true

Step-by-step explanation:

Because it is

At a farmer’s market, a basket of strawberries costs $20 and a basket of peaches costs $18. On Saturday, 23 baskets were sold and $430 collected. If x represents the number of baskets of strawberries and y represents the number of baskets of peaches, how many baskets of peaches were sold on Saturday?

Answers

Answer:

The number of basket of strawberries are 8 and number of basket of peaches are 15.

Step-by-step explanation:

As given

x =  represents baskets of strawberries .

y =  represents baskets of peaches .

As given

At a farmer’s market, a basket of strawberries costs $20 and a basket of peaches costs $18.

On Saturday, $430 worth of strawberries and peaches were sold, and a total of 23 baskets were sold.

Than the equations becomes

x + y  = 23

20x + 18y = 430

Multiply  x + y  = 23 by 20 and subtracted from 20x + 18y = 430.

20x - 20x + 18y - 20y = 430 - 460

-2y = -30

2y = 30

y = 15

Put y = 15 in the equation  x + y  = 23

x + 15 = 23

x = 23 - 15

x = 8

Therefore the number of basket of strawberries are 8 and number of basket of peaches are 15.

Answer:

D  15 baskets of peaches

Step-by-step explanation:

took the test

1. You are conducting a survey of the people in the United States to find out how popular racket sports (tennis, badminton, racquetball, etc.) are. You randomly choose people to call and make 1,000 calls to people across the country. In this study, what is the statistics term for the people you called? A. Both the people of the U.S. and the people you call are populations B. The people of the U.S. are the population and the people you called are the sample C. The people of the U.S. are the sample and the people you called are the population D. Both the people of the U.S. and the people you called are samples​

Answers

Answer:

welcome to brainly thanks for adding your first question i hope you enjoy it here at brainly

Step-by-step explanation:

D. Both the people of the U.S. and the people you called are samples​

because if you choose a population and residents they would problaly give you the same things and others from the sample will give you different answers so d is your best bet

hope this helps enjoy brainly

If ΔABC ≅ ΔEDF where the coordinates of A(−1, 1), B(2, 4), and C(3, 1), what is the measure of EF?

3
3.2
4
4.6

Answers

Answer:

4 is the correct answer.

Step-by-step explanation:

If you're taking FLVS math then this is the right answer, I got it correct on my test.

The required measure of EF is 4. Option c is correct.

ΔABC ≅ ΔEDF
A(−1, 1), B(2, 4), and C(3, 1).

What are congruent geometry?

In congruent geometry, the shapes that are so identical. Can be coincide to themselves.

Here,
ΔABC ≅ ΔEDF
SO, AC = EF
EF = [tex]\sqrt{(3+1)^2+(1-1)^2 }[/tex]
EF = 4

Thus, the required measure of EF is 4.

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Please include an explanation.


"a" varies directly as the square of "b" and inversely as the cube of "c". If a=171 when b=8 and c=9, find a if b=9 and c=6. Round your answer to two decimal places if necessary.

Answers

Answer:

a = 730.43

Step-by-step explanation:

The formula for this type of problem is [ a = kb²/c³ ].

We are given a = 171, b = 8 and c = 9.

Solve for k.

171 = k(8)²/(9)³

k = 1947.80

Solve for a since we found k using b = 9 and c = 6.

a = (1947.80)(9)²/6³

a = 730.425

Round to the nearest hundredth.

730.425 → 730.43

Best of Luck!

Answer:

730.42

Step-by-step explanation:

a varies directly with the square of b, and inversely with the cube of c.  Therefore:

a = k b² / c³

where k is the constant of proportionality.

a = 171 when b = 8 and c = 9.  So the value of k is:

171 = k (8)² / (9)³

k ≈ 1947.8

So the value of a when b = 9 and c = 6 is:

a = 1947.8 (9)² / (6)³

a ≈ 730.42

fully reduce 18/10 plz i need help

Answers

Answer:

9/5

Step-by-step explanation:

The two-way table below describes the car rental habits of sales representatives attending a conference.
What percentage of representatives staying at least two nights rented a car?
20%
44%
55%
79%

Answers

Answer:

44 bro

Step-by-step explanation:

The percentage of representatives staying at least two nights rented a car is 44%.

What is Percentage?

Percentage is defined as the parts of a number per fraction of 100. We have to divide a number with it's whole and then multiply with 100 to calculate the percentage of any number.

So the percentage actually means a part per 100.

Percentage is usually denoted by the symbol '%'.

Given is a two way table.

From the table, the number of representatives staying at least 2 nights rented a car is 11.

Total number of representatives staying at least two nights = 14 + 11 = 25

Percentage = (11 / 25) × 100

                    = 0.44 × 100

                    = 44%

Hence the percentage for the required number is 44%.

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Find the best buy for
a)
shampoo if 8 ounces cost $0.99 and 12 ounces cost $1.47.
b) cereal if 31 ounces cost $1.50 and 16 ounces cost $0.77.
c) soda if 3 cans cost $1.77 and 5 cans cost $1.79.

PLEASE HELPPP

Answers

Answer:

A.  12 oz. for $1.47

B. 16 oz for $0.77

C.  5 cans for 1.79

Step-by-step explanation:

A. Divide them both, cost by quantity.

 0.99/8=0.123

  1.47/12=0.1225

The second option is better since its 0.005 less than the first option.

B. Again, divide both options.

   0.77/16=0.04125

    1.50/31=0.04838

     Second option because it is 0.00713 cents cheaper.

C.  1.77/3=0.59

     1.79/5= 0.36

       Second option is .23 cents cheaper than the first option.

   

Determine whether the following graph represents a function.


PLZ HELP!! the picture is above

Answers

Answer:

yes it is a function

Step-by-step explanation:

The answer to your question is yess .

state which of the following sets of ordered pairs represents a function. Please pick the best option
Set A: (5, 2), (4, 3), (3, 4), (2, 5) Set B: (-1, -6), (0, 2), (1, 2), (3, 6)
Set B: (-1, -6), (0, 2), (1, 2), (3, 6)
Set C: (2, 1), (4, 2), (2, 3), (8, 4)
a. Set C
b. Set B
c. Set A
d. Set A and Set B

I would really appreciate it if you could help me out!

Answers

Answer:

set A and set B...it is the best and right option bro...option c is wrong because 2 elements of domain has relation with 1 range

quick easy math question please help write in fraction form brainliest will be awarded :)))

- [tex]\frac{5}{8}[/tex] + [tex]\frac{3}{4}[/tex]

Answers

Answer:

- 5/8 + 3/4 = 1/8

Step-by-step explanation:

I hope this helps!

Mr. Townsend needs to make 13 pairs of butterfly wings for costumes for a play. Each pair of wings is made with ¾ yard of fabric. The fabric costs $8 per yard. You'll apply properties of multiplication in the following steps to find the total cost of the fabric.​

Answers

Answer:

Step-by-step explanation:

1 pair of wings = 3/4 yard fabric

We know that 1 yard of fabric = $8

1 pair of wings = $8 x 3/4 = $6

Therefore total cost = $6 x 13 = $78

The total cost of the fabric is $ 78

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the number of pairs of butterfly wings = 13 pairs

The amount of fabric used in 1 pair of butterfly wings = 3/4 yards

The cost of 1 yard of fabric = $ 8

Now , the equation will be

The cost of 3/4 yard of fabric = 3/4 x cost of 1 yard of fabric

                                                = 3/4 x 8

                                                = 3 x 2

                                                = $ 6

Now , the equation is

The total cost of fabric for 13 pairs of butterfly wings =
13 x cost of 3/4 yard of fabric

The total cost of fabric for 13 pairs of butterfly wings = 13 x 6

                                                                                       = $ 78

Therefore , the cost is $ 78

Hence , The total cost of the fabric is $ 78

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9 - 5k = 12 - (6k + 7)
help

Answers

Answer:

k = 10

Step-by-step explanation:

9 - 5k = 12 - (6k + 7)

open the parenthesis

9 - 5k = 12 - 6k - 7

add 6k to both sides of the equation

9 - 5k + 6k = 12 - 6k - 7 + 6k

combine like terms

9 + k = 19

subtract 9 from both sides of the equation

9 + k - 9 = 19 - 9

k = 10

24+26
[tex]25 + 52[/tex]

Answers

50 and 77
If combined then 127

Can someone help ? Thankssss

Answers

Answer:

im not sure but I think is c

What is 797 rounded to the nearest ten?

Answers

Answer: 800

Step-by-step explanation:

2. What is the quotient if you divide 15 1/3 by 18/23​

Answers

it would be 529/27 i believe

You purchase a total of 10 books. Some of the books are paperback and some are hardcover.
The number of paperbacks is two less than three times the number of hardcover books. How
many of each did you buy?

Answers

Answer

You bought 7 paperbacks and 3 hardcovers.

Step-by-step explanation: This doesn't seem college level! Jokes aside, you solve this with a system of equations. Your first equation is 10 = p + h, where p stands for the number of paperbacks and h stands for the number of hardcovers. Your second equation is p = 3h - 2, meaning that the number of paperbacks is triple the number of hardcovers minus 2. Now, you just have to plug in p = 3h - 2 into your first equation, and you get 10 = (3h - 2) + h. 4h = 12, and h = 3, meaning the number of hardcovers must be 3. All you have to do now is subtract 3 from 10, and you have 7, which is the number of paperbacks!

Out of the total number of 10 books bought, there were 3 hardcovers and 7 paperbacks

Paperbacks are two less than three times the hardcovers. Assume the hardcovers are x, the paperbacks would be represented as:

= 3x - 2

Solving would give:

10 = Paperbacks + Hardcovers

10 = 3x - 2 + x

10 = 4x - 2

4x = 10 + 2

x = 12/4

x = 3 hardcovers

Paperbacks:

= 10 - 3

= 7

In conclusion, there are 3 hardcovers and 7 paperbacks.

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Solve 6y + 2x = 14 for x.

Answers


X= 7-3y

X has to be on one side

6y+2x =14
2x= 14-6y
X= 7-3y

Now we can plug that into the original equation (check)

6y + 2(7-3y)
6y+ 14-6y
14=14

X= 7-3y

Hope this helps!

A can of fruit contains 411 grams. One gram is approximately 0.035 ounces. About how many ounces does the can contain?

Answers

Answer:

14.385 ounces

Step-by-step explanation:

Converting grams to ounces:

1g ----- 0.035 ounces

411g ----- ?

Since we multiply 411 to the left hand side, multiply the left hand side by 411 too.

411g

= 0.035(411) ounces

= 14.385 ounces

Thus, the can contains 14.385 ounces of fruit.

. which one of the following is not equal to the rest?
a. 2% of 150
b. 3 / 4 of 400
c. 5% of 60
d. 6% of 50​

Answers

Answer:

a

Step-by-step explanation:

A grocery store sells a bag of 5 oranges for $3.00. What is the cost of oranges, in dollars per orange? On the double number line below, fill in the given values, then use multiplication or division to find the missing value

Answers

Answer:

0.6

Step-by-step explanation:

5:3

x:1

3x=5

x=0.6

0.6 or 0.60 basically 60 cents because 60x5= 300 or 3.00

A kilometer is 1,000 meters because kilo is a prefix that means 1,000. The prefix mega means 1,000,000 and giga (as in gigabyte) means 1,000,000,000. One byte is the amount of memory needed to store one letter of the alphabet. About how many of each of the following would fit on a 1-gigabyte flash drive?

Answers

Answer: 10 megabytes

10,000 kilobytes

Step-by-step explanation:

What is the equation of this line? (shown in picture)

A. Y = -1/4x

B. Y = 4x

C. Y = -4x

D. Y = 1/4x

Answers

The answer is B. Hope this helped.

If you spend 540 minutes per year waiting in lines, how many hours is this?

Answers

Answer:

540 minutes in hours =540/60

=9 hours

The time 540 minutes in hours will be 9 hours.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the time is 540 minutes. The value of time in hours will be calculated as,

The time of 60 minutes is equal to 1 hour. So divide the time 540 minutes by 60 minutes.

Time = 540 / 60

Time = 9 hours

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