Mathematics Middle School

please please please help me

Answers

Answer 1

Answer:A, 1/1000

Step-by-step explanation:

10 times -10 is -100. -100 times -10 is 1,000

Answer 2

It’s a Bc it’s has 3 0’s in the number

Related Questions

The diameter of a circle is 20 cm.
Find the area of a semicircle.
Use a = 3.14

Answers

Answer:

157.08cm²

Step-by-step explanation:

pls brainliest

Answer:

157 cm

Explanation:

First you need to find the radius so you divide 20 by 2 (20 ÷ 2). Which will give you, our radius of 10. You take that radius and square it so 10 x 10. You will get a product of 100. Then you multiple the 100 by pi (100 x 3.14) and you will get 314. Since it's a semicircle you need to cut this 314 in half (314 ÷ 2 = 157).

Giving brainliest so no links
Choose the best estimate for the weight shown on the scale below.

A) 192 lb
B) 192 T
C) 197 lb
D) 197 T

Answers

The answer is A. 192 lbs

weight is measured in pounds = lbs

the scale shows 192

The answer is A 192 lb

An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $1790 and his stock in Company B was worth $1000. The stock in Company A has increased 20% since last year and the stock in Company B has increased 22%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).

Answers

Answer:

20.7%

Step-by-step explanation:

Amount of stock increased in Company A = 20% of 1790

= 0.20 * 1790 = $ 358

Investor's stock in company A this year = 1790 + 358 = $ 2148

Amount of stock increased in Company B = 22% of 1000

= 0.22 * 1000= $ 220

Investor's stock in company B this year = 1000 + 220 = $ 1220

Total amount in investor's stock account = 2148 + 1220 = $ 3368

Increased amount = 3368 - 2790 = $ 578

Increase percentage = [tex]\frac{578}{2790}*100[/tex] = 20.71

= 20.7%

Answer:

20.7%

Step-by-step explanation:

What is the circumference of a circle that has a radius of 10 in? Use 3.14 for π.

31.4 ft
62.8 ft
15.7 ft
314 ft

Answers

The circumference is 62.83in

Step-by-step explanation:

The formula to find the perimeter or circumference of a circle is P=2×π×r.

Step 1: Find the radius. In this case it is 10 in.

Step 2: Multiply the radius by 2 for simplicity. In this case 10×2=20.

Step 3: Multiply the last number by π. In this case, 20×3.14=62.8.

Step 4: You have the answer. Hope this helps!

PLZZZZZZZZZZZZZZZZZ HELPPPPPPPPPPPP

Answers

Answer:

She should by 1.9 quarts

Step-by-step explanation:

The answer would be 1.9 (or 2)

First, you find the area of the window (6), and the area of the wall (120). Then, subtract those two numbers to get 114. Finally, divide 114 by 60 to get the final answer, 1.9. (Then just round up to 2)

Hope this helped!!!!

What does it mean when it shows this in math

Answers

The number in between the bars will always be equal to the same number, but positive. For example:
|-15| = 15

|15| = 15

|5| = 5

|-5| = 5

A pair of designer sneakers was purchased for $120 and a few months later, the new price is $138.
what is the percentage increase?

Answers

15 percent increase
Hope that helped, you just divide the last number by the first one

its 15 (source):trust me bro

I would like to know what part of the ax+bx=c standard equation means in a graph

Answers

The answer is C. -x^2 - 4x + 5

Can someone solve this for me plsss i really need help with this no links an dno doing it just for the points need all three questions WILL GIVE BRAINLIEST

Answers

Answer:

1. m∠1 = 105 m∠2 = 75

2. x= 130

Step-by-step explanation:

1. Solved m∠2 by using 75° angle because they are the same angle

m∠1 = 180- 75°

2. 180-70= 110

(x-20)= 110

x= 130

Help pls and no links

Answers

Answer:

Step-by-step explanation:

First find the ratio to the second 5/1 object then multiply 5 by 11

47cm should be right

Liz wants to buy a new cell phone. If she buys one now, it will cost $462.00. If Liz waits until her contract is over, she can upgrade to the same phone for $415.00. How much can Liz save if she waits?

Answers

Answer:

she would save $47 if she waited.

Step-by-step explanation:

She would save $47 if she waited because 462-415 is 47

I need help w 4-7. I already have number 3 but this is a dif screenshot

Answers

Answer:

Sorry but you can read well

Step-by-step explanation:

Answer:

The answer is increased by 3%

Step-by-step explanation:

Write the formula for the parabola.

Answers

Answer:

Given the focus (h,k) and the directrix y=mx+b, the equation for a parabola is (y - mx - b)^2 / (m^2 +1) = (x - h)^2 + (y - k)^2.

Step-by-step explanation:

Sophie is 3.5 years younger than her brother. She knows that when she is b years old, her brother is b+3.5 years old. Right now, Sophie is 11.5 years old.
How old is Sophie's brother?
Write your answer as a whole number or decimal.

Answers

Sophie's Brother's Age : b+3.5 years old

Sophie's Age : b years old

= 11.5

Sophie's Brother's Age = 11.5 + 3.5

= 15 years old

Hence, Sophie's brother is 15 years old.

Hope this helps :)
P.s. Can you mark me as the Brainliest? :]

please help i have to at least get 82% but this is a hard concept for me, giving brainlest when available

Answers

Answer:

It is 30 minutes

The answer is 30 because the middle line of the box plot is centered at 30 which is the middle/median. :)

PLEASE HELP ME I’LL MARK BRAINLIEST if you actually help

match the label to the diagram please help me it’s for a test

do it correctly please number 23-28

Answers

Answer:

23. D

24. B

25. F

26. A

27. C

28. E

Step-by-step explanation:

What is the volume of this cube?
Enter your answer as a decimal in the box.
m3
Will give brainlest if right

Answers

Step-by-step explanation:

Use formula for cube volume:

V=a³

Then add informations you already have and you are done.

V=0,5³

V=0,125 m³

Answer:

0.125

Step-by-step explanation:

The formula to find the volume of a cube is: V=a^3

Since we are given that one side of the cube is 0.5 m, you can take 0.5 and insert it into the formula V=a^3

V=0.5^3

V=0.125

Hope this helps ^-^

Write an inequality, using x as the variable, that represents this situation

Answers

Answer:

154 + 11x > 330

x > 16

Step-by-step explanation:

More than means > 330

x = per house

Equation:

154 + 11x > 330

Solving:

154 + 11x > 330

11x > 330 - 154

11x > 176

x > 16

X is higher than sixteen

Can someone explain this to me?
-5 -5 -3 -3 -2 -2 -1

1. What is the mean?

2. What is the median?
3. What is the mode?
4. What is the range?

-8 -6 -4 -4 -3 -2 -1

5. What is the mean?
6. What is the median?
7. What is the mode?
8. What is the range?

Answers

1. (-4)
2. The median is the number in between the number line that is in the middle ( it goes least to greatest)(-4)
3. The mode it what number repeats ( -4)
4. The range is the subtracted greatest from the least (-1)

1. The mean is the average of those numbers. Add those numbers and divide it by how many numbers there are.
2. The median is the number in the middle. If there are two middle numbers, add those together and divide by two.
3. The mode is the number that repeats the most.
4. The range is the difference between the least and greatest number. Just take the greatest number and subtract it by the least number and you’ll have your answer.

(BRAINLIST!!!)70 POINTS!!! ASAP Write two different expressions equivalent to 8d - 4) Use factoring for one way

Answers

Answer:

one is using commutative property 4d - 8

another is 2 to power of 4 - 2 to the power of 2

Step-by-step explanation:

Find the area of each sector.

Answers

Answer:

225

Step-by-step explanation:

360 - 135 = 225

Please help fast, I will give brainliest to whoever does

Answers

Answer:

Ok so first, divide the figure into 2 triangles ABC and ADC

Then, find the area of triangle ABC, base being 10 (5+5) and height being 4

= 1/2 * bh

= 1/2 * 10 * 4

= 20 sq. units

For 2 triangles, 20 * 2 = 40 sq. units

The image isn’t loading for me

please help I will really appreciate it. It is about unit rate!

Answers

Answer: The first one of the 180 miles the answer is 40 miles per gallon

The one of the 10 1/3 one answers is 62 miles per hour

and the $8 the answer is 9.6 U.S. dollars per hour

I hope this helped

Nathan found two worms in the yard and measured them with a ruler. One worm was 4/5 of an inch long. The other worm was 1/10 of an inch long. How much longer was the longer worm? Write your answer as a fraction or as a whole or mixed number.
please help and thank you even if you dont

Answers

Answer:

7/10

Step-by-step explanation:

4/5 is greater than 1/10

I converted 4/5 into 8/10 because I multipled the numerator and denominator by 2.

Then I subtracted 8/10 from 1/10 and got 7/10

I REALLY NEED HELP WITH THIS IT HAS TO BE TURNED IN 4 MINUTES PLEASE HELP

Answers

Answer:

What can I help you with?

Step-by-step explanation:

Answer:

I would like to help but there is no question

Evaluate e times e -5e when e=5

Answers

e(e) -5e
5(5)-5(5)
25-25= 0

The answer is 0.

Answer:

I wasn't sure for the question. that's why I posted two answers for your question.

answer plz best one gets brainlyest

Answers

15ft squared

it is about 3 times the amount of carrots

Derrick goes to the store and buys a pair of shoes for $79.99, a shirt for $24.99, and a pair of shorts for $34.99. If the sales tax is 8.5%, then about how much did Derrick pay in sales tax?

HELP

Answers

Answer:

sales tax is 11.89745 round if u want

Step-by-step explanation:

i just added 8.5 percent

Reggie and Elena each had one cup of water during a break in the soccer game. They took the water from the same 1 -quart container. If they took two cups total from the full I-quart containerf how many ounces of water were left?

Answers

Answer: 16 ounces

Explanation:
There are 32 ounces in a quart and 8 ounces in a cup there were 2 cups taken out of the 1 quart
8x2=16
32-16= 16 ounces left in the quart

In the triangle above, the measure of X is 25°, and the measure of Y is 113°. What is the measure of Z?

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 given angles from 180° for z , that is

∠ Z = 180° - (25 + 113)° = 180° - 138° = 42° → A

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