Mathematics Middle School

Solve for BRAINLIEST

Answers

Answer 1

Answers:

1. 12m^2 and 8m^3

2. a=v+3, l=v-2

3. No

4. 4.5mm^2

Step-by-step explanation:

1. Surface area:

2m^2 (area of face) * 6 (# of faces)

=12m^2 or 12 square meters.

Volume: (2m)^3=8m^3 or 8 cubic meters.

2. a=v+3, l=v-2

because if we rewrote exactly what the problem says, "Anna is 3 years older than Vickie" that is mathematically a=v+3. Do the same with the other equation.

3. 5.275+8.36g when g=120 is 5.275+1003.2, or 6.278.2, which is more than 6000, so the bridge would not hold Melinda's truck and 120 gallons of water.

4. 2s^2 + 4sh when s=0.5mm and h=2mm:

2*0.25mm^2+4*0.5mm*2mm

=0.5mm^2+4mm^2

=4.5mm^2

I hope I explained these problems well enough. Happy mathing!

Related Questions

Hello, I'm not sure if this is correct, so I need help making sure. If its incorrect please explain why and how to solve it.

Answers

Answer:

Its D

Step-by-step explanation:

The answers you chose are the diameter, HF goes across the entire circle and so does IG, however EF, EG, EH, and EI are the radii

It is D, just read the top answer

HELP PLEASE! 15 POINTS! I'LL GIVE BRAINLIEST

Answers

Answer:

Step-by-step explanation:

Dog: 40

Cat: 50

Other: 110

Dog 40

Cat 50

Other 110

Hannah says that 2.11 is a rational number. Gus says that 2.11 is a repeating decimal.
Who is correct and why? 15 POINTS!

Answers

it’s a rational number !

Hannah is correct. 0.11 can convert to a fraction, so its rational.

Max worked 6.23 hours on Monday, 7.45 hours on Tuesday, 8.3 hours on Wednesday, 8 hours on Thursday, and 5.21 hours on Friday. What is the total number of hours that Max worked?

Answers

Answer:

35.19

Step-by-step explanation:

6.23+7.45=13.68

13.68+8.3=21.98

21.98+8=29.98

29.98+5.21=35.19

Max worked for 35.19 hours which means Max most likely worked for 35 hours and 19 minutes. What you would do in this situation is add up all the hours Max has worked to find out how many TOTAL he has worked.

PLEASE HELP ASAP! WILL GIVE BRAINLIEST!DO ALL PROBLEMS!

Answers

Answer:

I agree with you.

Step-by-step explanation:

I think you did this correctly. The correct process to solve this problem is something like this:

|x-c|=d

|x-c|=(6-(-4))/2 because d is the distance between the points / 2.

|x-c|=5

x-c=5, x-c=-5 (opening absolute value)

6-c=5, -4-c=-5

c=1

So:

|x-1|=5 is the correct answer.

I recommend talking to your RSM teacher about this because I think the portal messed up on this problem. Also, leave a comment about this on the problem under "Need help with formatting?"

HEEEELPPPPPP
If A ≠ 0 and B = 0 in a linear equation of the form Ax + By = C, then which statement is also true?
A. The graph of this equation is a horizontal line.
B. The graph of this equation is a vertical line.
C. The graph of this equation is a slanted line.
D. The graph of this equation can be any straight line.

Answers

Answer:

D. The graph of this equation can be any straight line.

Step-by-step explanation:

Because A ≠ 0, it can be any number above or below 0.

Because B = 0, the line can only be a horizontal line. The line can be at any point on a graph, though, because A does not have any specific number that it equates to.

I hope this helped!

Someone help me real quick ..?

Answers

Answer:

Tank A

Step-by-step explanation:

the answer is tank A

You spin the spinner, flip a coin, then spin the spinner again. Find the probability of the compound event. Write your answer as a fraction or percent rounded to the nearest hundredth.

The probability of spinning a 4, flipping heads, then spinning a 7 is ___

Answers

1/20 i think, just added all possibilities bc 1/9 chance for 4 (9 numbers) 1/2 chance for heads 2 sides and 1/9 again, to make this all happen you add all the denominators so yeah but then again im just guessing

Juan has forty dollars in his jacket. Every day he spends half of the money that is in the
jacket. On the first day (Monday), he spends $20 leaving him with twenty dollars. On what
day will he start with less than $3.00 in his jacket?
A) Friday
B) Thursday
C) Tuesday
D) Saturday

Answers

Thursday he well have 2,50

He has less than 3 on friday
monday:40
tuesday:20
wednesday:10
thursday:5
friday:2.5

Help?
Which 2 data sets appear to be the most similar?

Answers

Answer:

I would say B-C too.

Step-by-step explanation:

im pretty sure.

Answer:

B and C

Step-by-step explanation:

The numbers have the closets matches to each other.

Could you find the area? You can use decimals.

Answers

Answer:

do you have a picture of the question ?

Step-by-step explanation:

find the area of the shaded triangle or quadrilateral.

Answers

Answer:

altogether its 42in(squared)

Step-by-step explanation:

Triangle:

1. 13-8=5

2. area of a triangle is 1/2 x l x b

3. Apply so 1/2 x 5 x 4 = 10in(Squared)

Quadrilateral:

1. 13-5=8

2. area of trapezium is (a+b)/2 x h

3. Apply so (8+8)/2 x 4

= 16/2 x 4

=8 x 4

=32in(squared)

Area of quatrilateral all together:

10+32=42in(squared)

The area of the shaded triangle or quadrilateral will be 42 square inches.

What is a trapezoid?

It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a trapezoid, one pair of opposite sides are parallel.

The area of the trapezoid is half of the product of the height and the sum of the parallel sides. Then we have

Area = (1/2) x (Sum of parallel sides) x (Height)

A = (1/2) x (8 + 13) x 4

A = 2 x 21

A = 42 square inches

The area of the shaded triangle or quadrilateral will be 42 square inches.

More about the trapezoid link is given below.

https://brainly.com/question/22607187

#SPJ3

PLEASE HELP AND IF YOU KNOW THE ANSWER LET ME KNOW 20 POINTS

Answers

Answer: Question 9 I think is 36 and For question 6 is 17? I’m not sure

i know 6 is 17 i’m not sure abt 9!

A triangle is inside of a circle where the triangles base is on the circles diameter as shown. What is the area of shaded region? Use 3.14 for π

Answers

I believe you’re answer would be 136.96 please correct me if I’m wrong.

1. Find area of circle; 8 x 8, 64 x 3.14 = 200.96

2. Find area of triangle: 16 x 8, 128/2 = 64

3. Subtract

HELP PLEASE. I don't understand this

Answers

Repeating &/&/:$:38$:$;

It would be repeating because 4 divided by 9 is 0.44444 so on so you could type 0.44

Select the option(s) that are equivalent to 4(3x + 3).
A
12x + 12

B
2(6x + 6)

C
4(3x) + 3

D
3x + 3 + 3x + 3 + 6x + 6

E
12(x) × (4 + 3)

Answers

Answer:

A, B, D

Step-by-step explanation:

They all are equal when you solve!

8 to easy 4 x 3 =12 so 12x + 12

8. Which has the same value as 3.652 x 10^-4?

A. 0003652
C. 36,520,000
D. 36,520
B. .00003652

Answers

Answer:

B..00003652

no explanation :))

The same value as 3.652 x 10⁻⁴ is 0.0003652.

What are the equivalent expressions?

Expressions that are equivalent to the same thing, even when they have distinct appearances. When we enter the same value(s) for the variable, two algebraic expressions that are equivalent have the same value (s).

Given:

An expression, 3.652 x 10⁻⁴.

Simplifying,

3.652 x 10⁻⁴,

= 3.652 x 1/10000

= 0.0003652

Therefore, the value of the expression is 0.0003652.

To learn more about the equivalent expression;

https://brainly.com/question/28170201

#SPJ2

Select the correct answer.
How many students correctly answered 30 or more questions?

Answers

Answer:

Step-by-step explanation:

If we look at the graph we can see that 10 students answered 30 questions correctly and 9 students answered 40 questions correctly, when we add this to get the amount of students that got a score of 30 or over there are 19 students

19 students hope this helps

help, i will mark brainliest :))

Answers

the first and the fourth one are correct

i want to say 1,3, and 4

A number is between -2 and -10
The least possible integer value of this number is
The greatest possible integer value of this number is

Answers

Answer:

The numbers between -2 and -10 are -3,-4,-5,-6,-7,-8,-9 and the least possible integer value of the number is -9 and the greatest possible integer value of the number is -3

help me with this fast

Answers

1. 15
2. 5
3. Flashcards

Pretty sure this is right, good luck!

Sort the cards into groups based on the two consecutive numbers they are between.

Answers

Answer:

X=7.07. Y=4.47. Z=8.94

Step-by-step explanation:

The answers above are the square roots of these numbers. Hope this helps!

Please help i'm having truble!

Answers

Answer:

104.8 in²

area of trapezium = 1/2 * ( side 1 + side 2 ) * height

Here given the following:

side 1 = 8.3 inch

side 2 = 17.9 inch

height = 8 inch

Area:

1/2 * ( 8.3 + 17.9 ) * 8

104.8 in²

Answer:

104.8 in²

Step-by-step explanation:

area of trapezium = 1/2 * ( side 1 + side 2 ) * height

Here given the following:

side 1 = 8.3 inch

side 2 = 17.9 inch

height = 8 inch

Area:

1/2 * ( 8.3 + 17.9 ) * 8

What is the measure of an exterior angle of a regular pentagon?

a.
108°

b.
72°

c.
80°

d.
58°

Answers

Answer:

The measure of each exterior angle of a regular pentagon is 72

Step-by-step explanation:

72°! I hope this helps. Let me know if I’m wrong please.

What percent of the data lies at or below 37 pounds?

Data: 36,22,41,18,36,27,31,38,25,29,22,34,48,20,12,19,35,32,41,50

Answers

Answer: 28, 27, 22, 39, 20, 10, 26, 24, 27, 28, 26, 28, 18, 32, 29, 25, 31, 27.

Step-by-step explanation: 28, 27, 22, 39, 20, 10, 26, 24, 27, 28, 26, 28, 18, 32, 29, 25, 31, 27.

75% of data lies at or below 37 pounds

One kilometer is 1000 meters. 12 meters equals how many kilometers

Answers

Answer:

12/1000=0.012 km

Step-by-step explanation:

The questions are in the picture (I only need help with letters A) B)

Answers

Answer:

a. (5,4)

b. s

Step-by-step explanation:

Answer For A:

Point P is located at coordinates (5, 4)

Answer For B:

The point that represents the ordered pair for (1, 3) is S

What does the ordered pair 1, 14.25 mean?

Answers

1 is on the x axis, so on a graph go to the left 1 point, and 14.25 is on the y axis, so above the x axis (1) go up 14.25

1 is the X-axis, and 14.25 is the Y-axis

write=if the ratios form a proportion; if they do not form a proportion, write a [tex]\neq[/tex]

1. 10/15 l 10/12

2. 20:24 l 24:30

3. 16 to 20 l 28 to 35

Answers

Answer:

Hope this helps :)

Step-by-step explanation:

[tex]\frac{2}{3}\neq \frac{5}{6}[/tex]

[tex]\frac{5}{6}\neq \frac{4}{5}[/tex]

[tex]\frac{4}{5}=\frac{4}{5}[/tex]

Simplify each fraction by the greatest number that is divisible between the two.

What is the standard deviation of 0,10,14,6,0,8,4

Answers

Answer:

22.86

Step-by-step explanation:

Answer:
5.16
(μ) =42/7 = 6

= √s2 =√26.67 = 5.16

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