Mathematics Middle School

please help no links

Answers

Answer 1

Answer: B or C

Step-by-step explanation:

if u can compare the triangles u u can use ur math and get the answer

Answer 2

Answer:

B. 6

Step-by-step explanation:

Since both triangles are similar, you can set up a proportion.

[tex]\frac{8}{13} = \frac{x}{9.75} \\\\8 * 9.75 = 13x\\78 = 13x\\x= 6.[/tex]

Related Questions

help asap plz i just cant

Answers

Answer:

(0,-7)

(1,-9)

(-1,-5)

(-2,-3)

Step-by-step explanation:

Your slope would be 2/3

I think this is right. Let me know if you know the formula and i can explain it to you!

(-6,5)

(-4,1)

(2,-9)

(-5,3)

What is the area, in square meters, of the shape below? Express your answer as a fraction in simplest form.

Answers

Answer:

20/3

Step-by-step explanation:

5/3 x 4/3

5x4=20

keep the denominator

20/3

A jar contains 2 red, 5 green, 2 blue and 6 yellow marbles. A marble is chosen at random from the jar. After replacing it, a second marble is chosen. What is the probability of choosing a green and then a yellow marble?

Answers

Answer:

Step-by-step explanation:

The probability of picking an item A in a box of N items depends on nA, the amount of items A in the box at the time of picking, with the kinda instinctive value:

p = nA / N

then it means that if you have no green ball, the probability is 0/N = 0, if you only have green balls, it means you have a probability of N/N = 1 = 100%, and if you have as many green balls as non-green balls, you have a probability of nA/(2nA) = 0.5 = 50%.

Here the probability of first picking a green ball (nG=5) in a box of N=3+5+2+6=16 for the 1st pick is:

pG1 = 5/16

Now the trick here is that once you picked the green ball, you put it back in the box before picking another ball. So you still have N=16 balls for the second pick, and the probability of picking a yellow ball (nY=6) for the 2nd pick is:

pY2 = 6/16 = 3/8

(it would have been slightly higher, at 6/15, if you did NOT put back the green marble in the box).

Now you want BOTH events to be true. So you want G1 to be true AND Y2 to be true. The two events are independent (the probability of Y2 is 6/16 if you had G1 but is also 6/16 if you failed G1), so the probability of having both is simply done by multiplicating them:

pG1Y2 = pG1 * pG2 = 15/128

A park has a circular goldfish pond. The area of the surface of the pond can be found by using this formula.

A=πr2
What is the area, A, of the surface of the pond if its radius, r, is 5 feet? (Use 3.14 for π.)
A. 78.5 square feet
B. 31.4 square feet
C 15.7 square feet
D. 10.14 square feet

Answers

Answer:

A. 78.5

Step-by-step explanation:

Plug in all of your information.

A=(3.14)(5^2)

Solve in a calculator.

= 78.5

A. 78.5 square feet

What is the volume of the figure below?
2 stacked rectangular pyramids. The pyramids have a base of 4 feet by 5 feet and a height of 4.5 feet.
30 feet cubed
60 feet cubed
90 feet cubed
120 feet cubed

Answers

Answer:

60 feet cubed

Step-by-step explanation:

find the volume of the first pyramid then multiply by 2 since there are 2 of them.

the answer is 60 I think

please help with this anyone

Answers

You distribute the 4 to both x and 5. 4 times x is 4x and 4 times 5 is 20. Divide both sides by 4. X=5

which function below BEST describes the height of the ball after the xth bounce?
A) f(x) = 10(2.5 x)
B) f(x) = 25(2.5 x)
C) f(x) = 10(0.4 x)
D) f(x) = 25(0.4 x)

Answers

D

Dnskelendndnskskwbwkajs

Someone please help ASAP, will give BRAINLIEST to someone who actually gives a accurate answer

Answers

Answer:

its 49 hope i helped you god bless

Step-by-step explanation:

HEEEELLLLLLLLPPPPPPPPPP!!!!!!!!
NO SCAMS!!

Answers

Huh. What about it??

Answer:

..........???

Step-by-step explanation:

I'm confused...... sorry for taking your points

PLEASE HELP GUYS THIS IS MY FINAL!!

Answers

Answer:

Step-by-step explanation:

V = h*π*r²

27π = 3*π*r²

27π = 3π*3²

27π = 3π*9

27π = 27π

Its 3, I hope you pass! I’m on my finals too.

Please hurry!
its math thats it

Answers

Answer:

See below

Step-by-step explanation:

Because 2*3=6, then 2^4 * 3^4 = 6^4 since (2*3)^4 = 6^4 -> 2^4 * 3*4 = 6^4

6. There are 16,709 planks on the rope bridge. If Horton crosses 7,012 planks before the bridge starts to break, how many planks are left?

Answers

Answer:

9697

Step-by-step explanation:

16,709-7012=9697

The answer is:9,697 I did I the math in my head lol

Hey yalll? Any of you good at math!

Answers

The answer would be
A 5
B 20
C 50
8 15
9 5.2
10 9

c²=a²+b²

c²=3²+4²

c²=9+16

c=25

c=5

c²=a²+²

c²=12²+16²

c²=144+256

c²=400

c=20

c²=a²+b²

c²=14²+48²

c²=196+2304

c²=2500

c=50

c²=a²+b²

17²=8²+b²

17²-8²=8²-8²+b²

289-64=b²

225=b²

15=b

c²=a²+b²

6²=a²+3²

6²-3²=a²

36-9=a²

27=a²

5.196=a

5.20=a

10.

c²=a²+b²

15²=a²+12²

15²-12²=a²

225-144=a²

81=a²

9=a

11.

The formula for finding the diagonal of a square is d=s√2

d=s√2

d=(7)√2

d=7√2

d=(7)(1.414)

d=9.898

d=9.9

What is the surface area of the prism? Measurements are the length is 6cm the width is 4cm and the height is 9cm
Type number and unit (the unit can be in words).

Answers

Answer:

228

Step-by-step explanation:

is it a rectangle prism?

if so, do This:

2(lb+hb+hl)

Length - 6

width = 4

height = 9

2(24+36+54)

2 ( 114)

= 228

I hope this helps!

PLEASE HURRY ITS ONLY MATH!!!

Board Game Sales

A small company is selling a new board game, and they need to know how many to produce in the future.

After 12 months, they sold 4 thousand games; after 18 months, they sold 7 thousand games; and after 36 months, they sold 15 thousand games.

This information could be reasonably estimated using a single linear model?
Group of answer choices

True

False

If so, use the model to estimate the number of games sold after 48 months. If not, explain your reasoning.

Answers

Answer:

true

Step-by-step explanation:

False

The amount of games sold is not linear. If it were linear, the amount of games sold at 36 months would be 12 thousand games, assuming we are going off of the information given at 12 months

Needing help on this?

Answers

Answer:

9/10-0.9-90%

The Explanation

9÷10= 0.9

0.9=90%

What is the equation for this line?

Answers

I believe that the equation would be y=1/2x

10 pts per question on timed test!!!!!
What are the dimensions of the base of the pyramid?

choices
8 ft by 6 ft
8 ft by 3 ft
6 ft by 3 ft
8 ft by 9 ft

Answers

The answer is 8ft by 3ft

I believe the answer is B) 8ft by 3ft

I say this because we are looking at the base of the shape, and the triangle is not the base. So we would skip over the 6ft and that leaves us with this answer.

Hope this helps! :)

Answer both please (middle school) ( probability)

Answers

Answer:

For the grease pencils the probability is the chance of geeting a green is 8 percent and a yellow pencil is 95%

Step-by-step explanation:

Lawanda pours a can of mixed vegetables into a pot on the stove. There are 82 green beans, 13 carrots, and 23 lima beans. Without looking, she reaches in with her spoon and pulls one vegetable. What is the probability that she will spoon out a carrot?

Answers

the total number of vegetables in there are 118, 13 of them being carrots, the possibility is 13/118, or decimal form would be about 11.02%

Answer:

Step-by-step explanation:

Marcos was born in 1998. His grandmother was born forty-five years earlier. What year was Marcos' grandmother born?

A. 2043
B. 2033
C. 1954
D. 1953

Answers

Answer:

the answer is d

Step-by-step explanation:

Answer:

Step-by-step explanation:

1998- 45= 1953

Han has fish tank that a length of 14 inches and a width of 7 inches. Han puts in 1,176 cubic inches of water. How high does he fill his fish tank with water? Show or explain your thinking.

Answers

12 inches
Because 14 x 7 x 12 = 1176

The swimming pool is opened 8 hours a day the pool manager must divide pool time equally among 5 groups; camp, camp swim team, swim lessons, family swim, and open swim how much time should she allow for each group?

Answers

Answer:

1.6 hours for each group

Step-by-step explanation:

8 / 5 = 1.6

1.6 x 5 = 8

you have to share 8 hours equally among 5 groups so its just 8 / 5 and you get 1.6 and thats how many hours each team is going to get

PLEASE HELP WITH THESE QUESTIONS

Answers

Answer:

Step-by-step explanation:

8X4

Answer:44.56637

Step-by-step explanation:

12.56637+32=44.56637

- 7th grade work -

Please help, and answer only if you have an answer.

Answers

Answer:

$268.38

Step-by-step explanation:

First we will take off the 20% off the 315 dollars. SO we can do this by saying that the discounted price is 80% of the original price, (because 100 - 20 = 80). So 0.8 * 315 = 252. So 252 = discounted price. So then we have to add the tax price.

Sales tax is %6.5, so we can do 252*0.065 to find the tax payed. We get 16.38, so we can dd this to our discounted price to get 252 + 16.38, or $268.38

$268.38 is the correct answer

.

pleasee help w all of them

1. which value makes this inequality TRUE? x - 12 ≥ 8

a) 4

b) 8

c) 12

d) 20

2. the goalie for a hockey team has faced no more than 40 shots on goal (s) this season. which inequality represents this situation?

a) S < 40

b) S > 40

c) S ≤ 40

d) S ≥ 40

3. which inequality is TRUE?

A) |-25| < |-11|

B) |-20| < 13

C) |17| > |-20|

D) |-14| > |-15|

Answers

Answer:

12, S>40, |17| > |-20|

Step-by-step explanation:

Answer:

x>_20

s<_40

ans of 3rd is D

Step-by-step explanation:

Please solve; d=√(x₁ – x₂)² + (y₁ – y₂)²

Answers

Answer:

$%):)))))) thanks. please i need one brainliest lol

Step-by-step explanation:

Which ratio is equivalent to 33:11?

Answers

Answer:

3:1

Step-by-step explanation:

33 / 11 = 3

11/ 11 = 1

Help me I’m very confused with this question

Answers

the answer is b hope this helps

I believe the answer would be B im not completely sure tho

pls help with my LAST QUESTION

Answers

1 D
2 A
3 C
4 B
there u go :)))

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