Mathematics Middle School

EXPERT HELP I'LL GIVE BRAINLIEST:

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer is

C

Explanation is error

Related Questions

x + x + x−1−1−1
distributive property

Answers

Answer: 3x-3 or 3(x - 1)

3(x-1) I think sorry if it’s not.

A long-distance telephone company charges $4.95 per month and $0.07 per minute for phone calls.

What is the independent variable quantity in this situation?

Answers

Y = $0.07x+$4.95

Also, is that an umbrella academy pfp?

An architecture firm creates blueprints for office buildings. Last week, they produced four rectangular blueprints for four different projects.

Project A: A 20-inch by 15-inch blueprint with a scale of 1 inch to 4 feet and a projected cost of $22,000.

Project B: A 10-inch by 8-inch blueprint with a scale of 1 inch to 8 feet and a projected cost of $25,000.

Project C: A 15-inch by 12-inch blueprint with a scale of 1 inch to 6 feet and a projected cost of $27,000.

Project D: An 8-inch by 6-inch blueprint with a scale of 1 inch to 12 feet and a projected cost of $30,000.

Order the projects from greatest to least projected cost per square foot of the actual offices.

Answers

Answer:

Wow! This is hard. I will try i answer it but for now other people will have ze chance

Step-by-step explanation:

Ew. lol

D, B, C, A

If you have to show your work, LMK

Enrique predicted his car payment to be $200 each month. His actual car payment is $225 each month. What is Enrique's percent error
PLEASE SHOW WORK

Answers

Answer:

12.5%

Step-by-step explanation:

12.5 %
100% = 200
x% = 25
100% = 200(1)
x% = 25(2)
100/x% = 200/25
x%/100% = 25/200
x = 12.5% 25 is 12.5 percent of 200

Which of the following measurements, in centimeters (cm), could be the lengths of the sides of a trianglo? Select all that apply

Answers

Answer:

Step-by-step explanation:

the 2 sides added have to be greater than the hypotunese

1 is a right angle triangle because of the pythagorus theorem
3 is a obtuse scalene triangle
6 is a obtuse scalene triangle
it can’t be the others because the sum of two sides is always greater than the third

(please ask if you want a more detailed explanation)

Can someone help me with this

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Answer:

i wanna say C

im not sure

Select the correct location on the number line.
Which point on the number line represents the approximate volume of a cylinder with a radius of 4 units and a height of 4 units? Use 3,14 for 11
50
100
150
200
250

Answers

Answer:

the answer should be 200!

Step-by-step explanation:

hope this helps

200 my sister needed help and the answer was 200

Complete the puzzle so that each row, column, and diagonal adds up to the same total.

Answers

Answer:

0 in the middle, minus 4 up centre, minus 3 down right and 2 right centre

Values of the elements in the Matrix are A₂₁ = -2, A₂₂ = 0, A₂₃ = 4, A₃₃ = 5.

What is the matrix?

A collection of numbers lined up in rows and columns to form a rectangular array is called a matrix. The elements, or entries, of the matrix, are the integers. In addition to many other areas of mathematics, matrices have numerous applications in the fields of engineering, physics, economics, and statistics.

given, the sum of each row is equal to the sum of each column equals the sum of all diagonals.

Since, the sum of column C₁ = 3 + -2 + 1 = 2

the sum of Row R₁ = 3 + A₂₁ + 1 = 4 + A₂₁

Since this is equal to the sum of column C₁

thus, 4 + A₂₁ = 2

A₂₁ = -2

the sum of column C₂ = A₂₁ + A₂₂ + 4

C₂ = -2 + A₂₂ + 4

C₂ = A₂₂ + 2

Since this is equal to the sum of column C₁

2 = A₂₂ + 2

A₂₂ = 0

the sum of Row R₂ = -2 + A₂₂ + A₂₃

R₂ = -2 + 0 + A₂₃

Since this is equal to the sum of column C₁

2 = -2 + A₂₃

A₂₃ = 4

the sum of Row R₃ = -1 + 4 + A₃₃

R₃ = -3 + A₃₃

Since this is equal to the sum of column C₁

2 = -3 + A₃₃

A₃₃ = 5

therefore, the values of the matrix's elements are A₂₁ = -2, A₂₂ = 0, A₂₃ = 4, A₃₃ = 5.

learn more about matrix here:

https://brainly.com/question/29132693

#SPJ2

Deb earned a total of $20 by selling 10 cups of lemonade. After selling a total of 14 cups of lemonade, how much money will Deb have made in all? Assume the relationship is directly proportional.

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Deb would have made $18 from selling 14 cups of lemonade. She earned $20 for selling 10 which is $2 per cup. Add $2 dollars for 4 more cups which makes $18

Deb earned 20 dollars from 10 cups of lemonade so 2$ per cup
She sells 4 more so 8 more dollars.
20+8=28
Deb made 28$ in all

Andrew plays on a basketball team. In two games he scored 2/5 of the total number of points his team scored. His team scored 55 points in the first game and 35 points in the second game. What was the number of points Andrew scored in these two games?
18
20
36
90

Answers

Andrew scored 36 points in two games

Answer:

Step-by-step explanation:

First we need the total number of points scored.

55+35= 90

Then we need to figure out how many points Andrew had.

2/5 of 90 points.

2/5 is .4 or 40%

So we multiply

90(.4) = 36

1+1 anyone??????????
My calculator is broken and says HEE HEE So I need help is it 11?

Answers

Answer:

21 give me brainliest please

Step-by-step explanation:

suppose that rectangle ABCD is dilated to A'B'C'D' by a scale factor of 1/3 with a center dilation at the origin. what is the distance from the center of dilation to the midpoint of A'B'?

A) 1 unit
B) 2 units
C) 3 units
D) 5 units

Answers

Answer:

Step-by-step explanation:

3 units

The answer would be 3 units

On a standard coordinate
plane, a point is located
to the left of the
origin on the x-axis.
Select ALL coordinates
that could be the
coordinates of the point.
a
(0, -5)
b
(6, 0)
c
(-9, 0)
d
(-1, -1)
e
(-2, 0)
f
(1, 0)

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I don’t know I’m just doing this for the points I’m sorry ☮️✌️

Same doing this for the pointsssssss thanks tho yahayahahyabaj

please help I have to turn this in by the end of the night

Answers

Answer:

3 subtracted from the product of 7 and a number b

3 subtracted= -3

product of 7 and a number b= 7b

put those together:

7b-3

hope this helps, also what grade is this

OMG PLEASE HELP ME WITH MATH!

4d-1+105=180

Answers

Answer:

I think it's "d=19"

D would equal 19. First, you combine like terms, so add -1 and 105 together to get 104. Then you have to subtract 104 from both sides. After that you get 76 on the right side. Then you would have to divide 4 from both sides to get d by itself. Lastly, 76 divided by 4 is 19.

please help me with this math work

Answers

Answer:

8/9, [tex]\sqrt{2}[/tex], 11/5, [tex]\sqrt{9}[/tex], 11/3, 5

Step-by-step explanation:

8/9=0.89

[tex]\sqrt{2}[/tex]=1.41

11/5=2.2

[tex]\sqrt{9}[/tex]=3

11/3=3.67

5=5

Answer:

Step-by-step explanation:

What is the slope?
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Answers

Answer:m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}

Step-by-step explanation:Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).

(hope this helps)

20 by 100 because it’s showing the long way

I need help :) please and thank u if u get it right i will give u brainlist

Answers

Answer:

4 14/25

Step-by-step explanation:

4.56 = 4 56/100 = 4 14/25

[tex]4 \frac{56}{100} [/tex]

[tex]4 \frac{14}{25} [/tex]

4 pounds of tomatoes cost $8. How many pounds of tomatoes can you get with
$14?

Answers

Answer:

7 pounds

Step-by-step explanation:

8 divided by 4 is 2 so $2 per pound

14 divided by 2 is 7 so therefore it would be 7 pounds

I had the wrong answer before sry haha

EXPERT HELP I'LL GIVE BRAINLIEST:

Answers

Answer:

990, C

Step-by-step explanation:

The formula for the surface area of the bottom cushion is

A = 2wl + 2lh + 2hw (w is width, l is length, h is height)

w = 18, l = 21, h = 3

A = 2(18)(21) + 2(21)(3) + 2(3)(18)

A = 2(378) + 2(63) + 2(54)

A = 756 + 126 + 108

A = 990 (C)

the answer is c. credits to the person above me. :]

Plz help! I need ASAP thank you!

Answers

That is a good point in the answer above!

I think the answer is D

Reflect quadrilateral SQRT over the y-axis. Then translate the new quadrilateral 3 units to the right. What are the coordinates of the vertices of the final image?

A. S’(-2, 3), Q’(1, 2), R’(-3, -2), T’(-3, 1)
B. S’ (0, 1), Q’(1, -5), R’(7, -4), T’(6, -1)
C. S’(8, 3), Q’(5, 2), R’(6, -2), T’(9, -1)
D. S’(5, 3), Q’(2, 2), R’(3, -2), T’(9, -1)

Answers

Answer: S(-5;3) Q(-2;2) R(-3;-2) T(-6;-1)

When reflected over the y-axis, their x values will change sign

S(5;3) Q(2;2) R(3;-2) T(6;-1)

Translate 3 units to the right, their x values will increase by 3

S(8;3) Q(5;2) R(6;-2) T(9;-1)

Step-by-step explanation:

The answer is what my friend say

Help please, im drowning in homework

Answers

Answer:

circumference: 37.7

area: 113.1

Step-by-step explanation:

Answer to the circumstances is 37.7
Area is 113.1

WILL MARK BRAINLIEST IF CORRECTSelect all values that are part of the domain of the function below. You must select
all correct answers.

Answers

The domain is the x value.

List the x value of where all the dots are:

-6, -4, -2, 1, 4

Domain is the x value

Solve for Variable: 3x + 7 < 16
A. x > 3
B. x < 5
C. x > 6
D. x < 3

Answers

Answer:

D. x < 3

Step-by-step explanation:

3x + 7 < 16

To solve, we have to isolate x.

3x + 7 < 16

Subtract 7 from both sides :

3x < 9

Divide 3 from both sides :

x < 3

Now in some cases, you could say that the inequality sign would switch, but this is only when you divide by a negative sign, so keep that in mind.

At each scooter's top speed, Brand A scooter goes 2 miles per hour faster than Brand B. If after traveling at its top speed for 3 hours, Brand A scooter traveled 40.2 miles, at what rate did Brand B scooter travel if it traveled the same distance as Brand A? Write an equation to determine the solution and then write an equivalent equation using only integers.

Write an equation to determine the solution.

Answers

Answer:

Step-by-step explanation:

40.2=3(x+2)

134=10x+20

134-20=10x+20-20

114=10x

11.4=x

whats -1.8 as a fraction?

Answers

Answer:

-18/10

Step-by-step explanation:

Please mark me BRAINLIEST

Answer:

-1.8 = –9/5 = –1 4/5

Step-by-step explanation:

Write an inequality for the expression fourteen more than a number is at least 9.

Answers

Answer:

14+x[tex]\geq[/tex]9

Step-by-step explanation:

14 +\/9 hopefully this works

What does theme add to a story? *

( A) A sense of location.
(B ) Motivation for the characters.
(C) Dialogue for the characters.
(D )An important message.

Answers

d, a theme is usually a message or life lesson to the characters or reader :)

EXPERT HELP I'LL GIVE BRAINLIEST:

Answers

Answer:

C) 846 in^2

Step-by-step explanation:

(15x48) + (21x3x2) = 846

Answer: 846 sq ft

Step-by-step explanation:

21 x 15 x 2= 630

3 x 15 x 2= 90

3 x 21 x 2= 126

846 sq ft

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