Mathematics Middle School

Use what you know about the number of faces, vertices, and edges in polyhedrons to choose True or False for each statement.

A triangular pyramid has the same number of faces as vertices.
Choose...

A triangular prism has the same number of faces as vertices.
Choose...

The sum of the faces and vertices for a triangular prism is 11.
Choose...

The number of edges of a polyhedron is 2 less than the sum of the number of faces and vertices.
Choose...

Answers

Answer 1

Answer:

Step-by-step explanation:

#1 true

#2 false

#3 true

#4 i need the choices

Related Questions

Help..??

20 points=super nice reply= good rating=brainly :>

Answers

Answer:

B. y = 5x

Step-by-step explanation:

there are 2 coordinates (0,0) and (3,15)

slope m = (y2-y1)/(x2-x1)

m = (15 - 0)/(3 - 0) = 15/3 = 5

Using y = 0, x = 0, m - 5

y = mx + b

0 = 5(0) + b

b = 0

=> y = 5x

The answer to your problem is b

A colored ball was drawn out of a bag with replacement. What is
the probability of drawing a red ball twice?
A) 1/9
B) 2/3
C) 2/9
D) 1/3

Answers

Answer:

.Step-by-step explanation:

There is a 1/3 chance. Hope I helped

What is the approximate volume of the cylinder?

Use 3.14
as your approximation for π.

V≈ [blank] −−−−−−
in.3

Enter your answer as the decimal number that correctly fills in the previous blank, rounded to the nearest hundredth, like this: 42.53

Answers

The answer would be 3,799.4 I don’t know how to get it to the nearest hundredth because I used my phone calculator but to find the answer you would take radiusxradiusxheightxpi so 11x11x10x3.14

Volume of cylinder is 3,799.40 [tex]inch^{3}[/tex] (rounding off nearest hundredth)

What is volume of cylinder?

The volume of a cylinder is the density of the cylinder which signifies the amount of material it can carry or how much amount of any material can be immersed in it.

Volume of cylinder= [tex]\pi r^{2} h[/tex]

V= [tex]3.14* 11* 11* 10[/tex]

=121 x 31.4

= 3799.4 [tex]inch^{3}[/tex]

≈3,799.40 [tex]inch^{3}[/tex]

Volume of cylinder is 3,799.40 [tex]inch^{3}[/tex]

Learn more about Volume of Cylinder here:

https://brainly.com/question/15891031

#SPJ2

Collin has 25 pounds of dog food. He feeds the dog 1.252 pounds. How much dog food does Collins have?

Answers

Answer:

The answer is 23.748 pounds.

Step-by-step explanation:

25-1.252= 23.748

If this is incorrect, line up your decimal point and subtract.

FIND THE VALUE OF X
l m a o ignore the cursor xD

Answers

Answer:

x=10

Step-by-step explanation:

the angle is 90 degrees

90-29=61

61-1=60

60÷6=5

x=10

have a good day

Answer:

Step-by-step explanation:

nice cursor.

anyway

this angle you have here is a right angle which means

6x+1+29=90

(complementary angles < look that up for detailed understanding)

so yea

6x+30=90

6x=60

x=10

nice.

hope this helps

Please Answer both questions Thank you

Love you

Answers

THE ANSWER IS ALREADY IN THE COMMENTS

Which figure best represents a rhombus?

Answers

Answer:

1st one

Step-by-step explanation:

Zoe must draw a triangle with two 35° angles and an included side with a length of 50 cm. How many such triangles are possible?
A. none
B. one
C. more than one

Answers

c is the correct answer!!

Gemma rode her bike for 8 hours. She picked some flowers and had to ride with them in her hand for 1/4 of the time. How much time was gemma riding while holding the flowers?

Answers

Answer:A

Step-by-step explanation:

2 hours is how long she held the flowers

Imagine that you take a road trip from A to D, but you have to do it in segments. Let’s say the distance from A to B is 145 miles; from B to C is 160 miles, and C to D is 115 miles. It takes you 6 hours to drive from A to D. What was your average speed (in miles per hour) during your trip from A to D? (Hint: How many miles did you drive from A to D? Then divide the total miles by the number of hours).

Answers

Answer: The average is 70.

Step-by-step explanation:

145+160+115=420

420 divided by 6 =70

So the average is 70.

The answer is 70....

What is the value of 0!
Describe your answer

Answers

The value of zero is nothing. Zero has no value. It is a number bigger than -1 but smaller than 1. It is hard to explain but there are numbers smaller than zero, like -1, -2, -3, -4, -5, -6 and so on into infinity.

Find the area of figure 1.

a -12 units2
b- 14 units2
c- 8 units2
d- 10 units2

Answers

Answer:

Step-by-step explanation:

if you look at the chart. it goes up five and has a width of 2. multiply 5 x 2 = you get 10

The answer is 10 units2.

A circle has diameter of 9cm
A square has side of 5cm

Use Pythagoras Theorem to show that the square can fit into the circle without touching the edge of the circle.

Answers

Answer:

Step-by-step explanation:

diameter of the circle = 9 cm

side of square = 5 cm

As we know that the diagonal is maximum dimension in case of square, so if the length of diagonal is less than the diameter of the circle, then the square can fit into the circle else not.

First we need to find the length of the diagonal.

Let the length of diagonal is D.

By use of Pythagoras theorem

D = 7.07 cm

As the length of the diagonal is less than the diameter of the circle, so the square can fit into the circle.

Help me please thank you

Answers

He used 4.3 meters of yarn.
0.43 x 10= 4.3 m

he used 4.3 meters of yarn

I NEED HELP PLZZZ

A map is drawn to a scale of 1 : 20 000. Find the actual area, in km2, of a
field whose area on the map is 18cm2.
SHOW WORKING AS WELL

Answers

24km is your answer , as well lmk If it right

what is the area of a circle with a circumference of 75.36?

Answers

Hi I am trying almost finished

A group of students must collect at least $150 to organize a science fair. They have already collected $30. Which graph best represents all remaining amounts of money, in dollars, that the students should still collect to organize the science fair? (1 point)

a Number line graph with closed circle on 120 and shading to the right.

b Number line graph with closed circle on 30 and shading to the right.

c Number line graph with closed circle on 150 and shading to the right.

d Number line graph with closed circle on 180 and shading to the right.

Answers

Answer:

Step-by-step explanation:

The answer is B as they have already collected 30 and the Right is the amount they still have to get

it would be amazing if you marked this brainliest :)

Answer:

The answer is A

Step-by-step explanation:

4.3 is 12.5% of what number?

Answers

Answer:

Step-by-step explanation:

0.5375

Answer:

I believe its 34.4

Step-by-step explanation:

PLS PLS HELP I give 20 pts

Answers

the answers to 1=192 the answers to 2=792 the answers to 3=216

Answer:

look at the picture I sent

Help Please

Love You

Answers

Answer:

answer is 11.5 km

hope this helps

11.5 is the right answer

Complete the process of solving the equation.
Fill in the missing term on each line. Simplify any fractions.
2c+17=17
2c=
Subtract 17 from both sides
c=
Divide both sides by 2

Answers

Answer:

jkiubkbiuanziz

Step-by-step explanation:

I'm super confused about this

Answers

The answer should be n<-0.6 but I might be wrong

I think the answer is n<-0.6

Help please I'm so confused

Answers

The answer is -16 because -3- -1 equals -2 then goes to 2 because the absolute value and 2*-8 equals -16

Answer:

B. or -16

Step-by-step explanation:

First, find what |-3-(-1)| is equal to.

|-3-(-1)|

= |-3+1|

= |-2|

= 2

|-3-(-1)|=2

Now we find x (I find it easier to substitute the question mark with a variable)

x÷-8=2

Lets go through our values, or answer choices:

-32/-8 = 4

This cannot be the answer

-16/-8=2

This is the correct answer.

So...

-16÷-8=|-3-(-1)|

They are equal because both sides equal 2.

Hope this was helpful and made it a bit easier to understand.

Question content area top
Part 1
Which of the following expressions is equivalent to 12x32x13?
Question content area bottom
Part 1
Select all that apply.
A.
10x16
B.
2(7x5)
C.
17x13
D.
14x16
E.
14x10

Answers

The Answer is :D and E

The answer is D and E

Kaylee's history class quiz scores for the current grading period are 10, 50, 75, 80, 82,
82, 97. The lowest score of 10 will not be counted. Which correctly compares the
original mean of the seven scores to the new mean of the six scores without the 10?

A. The new mean is LESS than the original mean.

B. The new mean is EQUAL to the original mean.

C. The new mean is EQUAL to the original mean minus 10.

D. The new mean is GREATER than the original mean.

giving brainlest!!

Answers

B is the answer I need the points

which of these measures is the best measure of variability for the dot plot

Answers

Answer:

Step-by-step explanation:

most simply by finding the range , or difference between the highest and lowest values.

your answer for this will be b.) interquartile range

Hallie and Mattie donated blue jeans to the clothing drive. Hallie donated 4 pairs of blue jeans. Mattie donated 6 pairs of blue jeans. Write a ratio to represent the relationship between Hallie's donation of jeans and Mattie's donation of jeans.

Answers

Answer:

2:3

Step-by-step explanation:

Hallie's Donation : Mattie's Donation = 4:6

simplified, it is 2:3

2:3

If you do 4/6 you’ll simplify to get 2/3.

PLEASE HURRY IF YOU ANSWER AND IT'S RIGHT YOU GET BRAINLYEST

Answers

The answer is 130cm

i got 130cm as an answer

Find the missing length. Round your answer to the nearest tenth.

Answers

Answer: D. 9.4 units

Explanation: We use the Pythagoras theorem because we know that it’s a right triangle and we have 2 lengths.

8^2+5^2= c^2

89=c^2
c= sqrt 89
c≈9.4 units

Answer:A

Step-by-step explanation:

Stefanie is painting her bedroom. She can paint 12 2/3 square feet in 2/5 of an hour. How many square feet can she paint in one hour?

Answers

Answer:

[tex]31\frac{2}{3}[/tex]

Step-by-step explanation:

since its only 2/5 of 1 hour, two 2/5 equal 4/5 so we divide the 12 2/3 by 2 to find the 1/5 which is 6 1/3

[tex]12\frac{2}{3}[/tex]÷2=[tex]6\frac{1}{3}[/tex]

[tex]12\frac{2}{3} +12\frac{2}{3}=25\frac{1}{3}[/tex]

[tex]12\frac{1}{3} +6\frac{1}{3}=31\frac{2}{3}[/tex]

The answer is 31 2/3

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