Mathematics Middle School

Find the surface area of a right rectangular prism with a height of 7 cm, a length of 4 cm and a width of 6 cm

Answers

Answer 1

188cm^2
or 188 centimeters squared
just make sure to put the exponent of 2 at the end

Answer 2

Answer:

Step-by-step explanation:

you do the length x width x height

Related Questions

Well yes... math I am very sad because this is confusing.so....yeah..help.. please

Answers

Can you please be more specific

a.) x = # of bottles
Fill It Up, Inc.: y = 4x
Bottles by Bob, Co.: y = 3x + 25

b.) x is the independent variable, and y is the dependent variable because it depends on the value of x. See picture below for graphs.

c.) Not sure if the class size is given, but if there are less than 25 students then Fill It Up, Inc. would be cheapest. However, if there are more than 25 students then Bottles by Bob, Co. would be cheapest. This is shown in the graph. The class size influenced the decision.

d.) The intersection in the graphs at point (25, 100) shows that for 25 bottles the price will be the same ($100).

Point P is located at (5, –4). Point P is moved 3 units up and 4 units left. Where is Point P located now?

Answers

Answer:

(1,-1)

Step-by-step explanation:

I NEED HELP ASAP!!!!

This is the equation:

7(h−3)+4h

Please help!

Answers

Answer:

11h-21

Step-by-step explanation:

Hope this helps :-)

The answer is 11h - 21

help, please
Taylor emptied out her change jar to buy a new soccer ball for practice. The jar contained 128 coins consisting of quarters and dimes that totaled $25.10. Which system of equations could be used to determine how many quarters, q, and how many dimes, d, Taylor had in her change jar?

Answers

Answer:

.25q+.10d=25.10

q+d=128

Step-by-step explanation:

Since a quarter is 25 cents and a dime is 10 cents that is how you figure out your first equation. You set it equal to 25.10 because that is the amount of money it totals to. The second equation (q+d=128) is used because the amount of quarters plus dimes needs to make 128.

Let q be the no. of quarters and d be the no. of dimes.

q+d=128
25q+10d=2510

These are the system of equations. To solve it, we do this:

q=128-d
25(128-d)+10d=2510
3200-25d+10d=2510
15d=690
d=46
q=128-46=82

A bar graph titled Recommended Hours of Sleep has hours on the x-axis and age of the y-axis. Elementary-age children should get about 11 hours of sleep.
The bar graph shows the recommended number of hours of sleep for each age group.

How many hours of sleep are recommended for elementary-age children?
exactly 9 hours
exactly 10 hours
about 10 hours
about 12 hours

Answers

about 10 hrs because he got at least 11 hours of sleep

About 10 maximum because it can help them grow

Geoffrey wants to make one planter that extends from the ground to just below his back window. The window starts 3 feet off the ground. If he wants the planter to hold 36 cubic feet of soil, name one way he could build the planter so it is not taller than 3 feet. Explain how you know.

Answers

Answer:

Step-by-step explanation:

36 / 3 = 12

12 = 4 x 3

V = L x W x H

= 4ft x 3ft x 3ft

Since Geoffrey wants to build a planter with a height of 3ft & a volume of 36ft^(3), the base of the planter should have an area of 12ft^(2).

2(3x – 5) = 8
what is the x?

Answers

Answer:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

2*(3*x-5)-(8)=0

2 • (3x - 5) - 8 = 0

Pull out like factors :

6x - 18 = 6 • (x - 3)

6 • (x - 3) = 0

Solve : 6 = 0

Add 3 to both sides of the equation :

x = 3

Answer: x = 3

Step-by-step explanation:

2(3x-5)=8

first, you multiply 2 by 3x and -5.

6x-10=8

since we want 6x by it’s self we add 10 to its self and add it to 8 as well.

6x = 18

now we divide 6 to both 6x and 18.

x = 3

hope this helped

Please help!!! Here is the question:

Answers

C is the answer Bc it shows you all

I think it’s the third one ☝!!

Describe the solution of f(x) shown in the graph.

a parabola opening up passing through 0 comma 2, 1 comma zero and 2 comma zero

All real solutions

All solutions that lie on f(x)

All positive solutions

All whole number solutions

pls answer fast!

Answers

Answer:

C. All positive solutions

Step-by-step explanation:

We can see that the solutions (or points that intercept the x-axis) are at 0,1 and 0,2. We can simplify this to just 1,2 if you would like, but nevertheless all x-intercepts are positive.

x = 1 and x = 2 are the solutions of the parabola shown.

All whole number and positive solutions.

Options C and D are correct.

How do you find the opening of a parabola?

There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.

When we are looking for a solution to a graphical function f(x), we basically mean the x-intercepts of the graph.

The place where the graph cuts/crosses the x-axis are the solutions of the graph. The y point will always be 0 at those designated x values.

Looking at the graph, we see that:

x = 1 and x = 2

are the solutions of the parabola shown.

All whole number and positive solutions.

Options C and D are correct.

Find out more information about parabola here

brainly.com/question/16180199

#SPJ2

Please help me if you know how! (USAtest prep)

Question: What is the area of this figure

A) 18 in²

B) 24 in²

C) 30 in²

D) 36 in²

(i give brainliest)

Answers

Add 7 to both sides.

-1 ≤ x/10

Multiply both sides by 10 to cancel out the denominator of x.

-10 ≤ x

c. -1 - 6(5q - 2) ≥ -139

Distribute the -6 across the parentheses.

-1 - 30q + 12 ≥ -139

Combine like terms on the left side.

-30q + 11 ≥ -139

Subtract 11 from both sides.

-30q ≥ -150

Divide both sides by -30 to isolate q.

q ≥ 5

Hope this helps!

-11r>=220

divide both sides by -11
since both sides are divided, flip the sign

r<=-20
r is less than or equal to negative twenty

i’m not sure how to complete the other questions, but i hoped #1 helped :)

1.The triangle ABC has the vertices A(-9, -3) B(1. -3), C(-9, 6)
What is the length of the side between points A and C?
A.9 B.3 C.0 D.6
2. The quadrilateral ABCD has the vertices A(-4, -8), B(6. -8), C(6, 7) D(-4, 7)
what is the length of the side between points A and D
A.16 B.1 C.8 D.15
3. The triangle ABC has the vertices A(-4, -7), B(4,-7) , C(0, 0)
What is the length of the side between points A and B
A.11 B.3 C.14 D.8
4.The quadrilateral ABCD has the vertices
A(-9, -3 ), B(2, -3), C(2, 4) D(-9, 4)
what is the length of the side between points A and B
A.12 B.5 C.11 D.7

Answers

Answer:

1. A

Step-by-step explanation:

When you mean you can only use the numbers once do you mean you can't use it twice on the same one or you can't use the number after you have used it on one of them?

Describe how you could use algebra tiles to model the equation 5x = 30

Answers

Answer:

If I’m interpreting this correctly: If there are 25 tiles in groups of 5, how many groups would it take to have 25 total tiles...5 groups of 5 tiles would equal a total of 25 tiles altogether.

Can I have brainliest

Step-by-step explanation:

Divide both sides by 5. So, 5x/5=30/5. Then your answer will be X=6.

Hope this helped.

help The questions are in the pic below !

Answers

Answer:

Part A: 70

Part B: 25% each night

Step-by-step explanation:

25% of 280 is 70. That answers both questions because 70>28.

The cube volume is 1000cm find the all face area
A. 200cm
B. 300cm
C. 500cm
D. 600cm

Answers

Answer:

D. 600 [tex]cm^{2}[/tex]

Step-by-step explanation:

Volume of a cube = [tex]s^{3}[/tex] = 1000, s = [tex]\sqrt[3]{1000} =10[/tex]

So, the side length is 10 cm

Surface area of a cube is 6[tex]s^{2}[/tex] where s is the side length

so [tex]s^{2}[/tex] = [tex]10cm^{2} = 100 cm^2[/tex]

6*100[tex]cm^{2}[/tex] = 600 [tex]cm^{2}[/tex]

So the answer is D. 600 cm (it should have a little superscript 2 next to it)

area= D. 600cm (centimeters)

Could anyone help me? Will mark brainlist!

Answers

Answer:

20 yards

Step-by-step explanation:

80 divided by 4 so 20 :)

V = 20 yards

80/4 = 20

Darnell is trying to understand the Pythagorean Theorem by drawing a few triangles. He found that 1² + 1² = (√2)² is accurate. Which statement is true about Darnell’s triangle?

A. The triangle is not a right triangle because the lengths of its sides measure the same.

B. The triangle is not a right triangle because the hypotenuse is shorter that the lengths of its sides.

C. The triangle is a right triangle, the lengths of its sides are 1 and √2 with a hypotenuse of 1.

D. The triangle is a right triangle, the lengths of its sides are 1 and 1 with a hypotenuse of √2.

PLEASE HELP ASAP!!!!

Answers

Answer:

D. The triangle is a right triangle, the lengths of its sides are 1 and 1 with a hypotenuse of √2.

Step-by-step explanation:

The Pythagorean Theorem is modeled by a² + b² = c².

c represents the hypotenuse and a and b represent the other two sides.

The Pythagorean Theorem can only be applied to right triangles.

Answer:

Step-by-step explanation:

Srry if your question was already answered but im very sure its D.

Can someone help me i really needed

Answers

The answer would be the third option or C

Answer:

C: √74

Step-by-step explanation:

We have to use the Pythagorean theorem to answer this (a² + b² + c²). We have a and b so all we have to do is square 5 and 7 (a and b) so we get a² b², then we add this to get c² as stated by the Pythagorean theorem. So, 7² (7 x 7) is 49, and 5² (5 x 5) is 25. 25+49 (a² + b²) is 74 (c²). So the square root of this would be the absolute length of the hypotenuse because this is the hypotenuse squared. Meaning that the answer would be √74 (square root of 74)

a baker is looking to gather information about the products sold at her bakery. Place a check mark next to each statistical question. Select all that apply

Answers

Your answer would be Everything but E

Hope this helps

Which name applies to the angle pair at the right?

A. supplementary
B. straight
C. complementary
D. vertical
plz help i beg i will give 20 points i will give brainlist too

Answers

Answer:

C or Complementary

Step-by-step explanation:

Complementary Angles are 2 or more angles that add up to make 90° angle also known as right angle.

Hope this helps! Good Luck!

Write a system of two linear equations showing the distance each animal can
travel to model the fair race. Be sure to define all variables.
Y= output (distance) 5 mile lion/ 2.5 mile elephant
M=slope (speed) 50 lion /25 elephant
X=input(time) 6 minutes both

Answers

Answer:

5=50(6)+b

2.5=25(6)+b

Step-by-step explanation:

The formula: y=mx+b

now you input the numbers

5=50(6)+b. B= -295

2.5=25(6)+b. B= -147.5

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