Mathematics High School

HAAAAAALLLLLLLPPPPPPPPPP MEEEEEEEEE

Answers

Answer 1

Answer:

Step-by-step explanation:

plug -20 into x

-20+3y=7

solve

add 20 to both sides

3y=27

y=9

Related Questions

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Answers

Answer:

Step-by-step explanation:

Hello There!

The height of the water starts at 3 feet and its receding at a rate of .75 feet an hour

receding means to move farther away from previous position

so the equation would be

3-.75t

-.75t + 3

So we can conclude that the answer is C

PLZ HELP!!!! solve for x

Answers

Answer:

64 degrees

Step-by-step explanation:

Combining the 90 degrees, x degrees, and 26 degrees creates a flat angle or 180 degrees

so first, combine 90 and 26 degrees

90+26= 116

then subtract 116 from 180

180-116= 64 degrees

Emergency help please thank you

Answers

I would say the third asnwer, so 90 degrees :)

Can someone help me with 2 questions please please

Answers

QUESTION 1: False

Question 2

1. Less than it equal to (a)
2. Greater than (c)
3. Greater than it equal to (d)
4. Less than (b)

there are five marbles in a bag. three are green and two are yellow. you draw a marble, replace it, and then draw another. what is the probability of choosing a green marble and then a yellow marble.

Answers

Answer: 1/10

Step-by-step explanation:

1: Let’s take out the “DO NOT REPLACE IT.” It can make the whole thing seem harder. Rather, here is this. “There are five marbles in a bag, 3/5 are green and 2/5 are yellow. You DRAW TWO MARBLES. What is the chance of you drawing two yellow marbles?”

2 : Now let’s look at some important information.

100% of marbles= 5 marbles.

60% of marbles= the three green marbles.

40% of marbles= the two yellow ones.

Picking 2 of the 5 marbles will mean taking 40% of the marbles out of the bag.

Simplify: Now, to make it easier, the question is this. what is the chances of the 40% being the same color, Specifically yellow.

3: Let me explain. There are two yellow marbles, you pick out two. That is a one out of five chance of you getting ONE yellow marble the first time. That is 1/5. picking two at the same time results in a 2/5 chance.

4: if you pick twice it would be 1/10 chance.

Answer:

1/10

Step-by-step explanation:

anyone knows the answer

Answers

Answer:

it might be 390

Step-by-step explanation:

hope this helps

what is polynomail area

Answers

Answer:

2x²-8 if it doesnt give you x= if it gives you an x= then comment it and ill work it out.

Step-by-step explanation:

it was pretty simple

28 is equal to _____ hundredths

Answers

Answer:

2.8 I think

Step-by-step explanation:

plz tell me if its wrong

Valerie is considering various savings options. At Bank 1, she can invest $1,000 in a CD that earns compound interest at an annual rate of 2.4%. At Bank 2, she can invest $1,000 in a savings account that pays 2% simple interest upon withdrawal. How much more money would Valerie earn in 5 years with the CD at Bank 1 than with the savings account at Bank 2?

Answers

Answer:

100.00

Step-by-step explanation:

A university has 40,110 students. In a random sample of 210 students, 14 speak three or more languages. Predict the number of students at the university who speak three or more languages. The expected number of students at the university who speak three or more languages is .

Answers

40110 : 210= 191
191 x 14 = 2674
2674 people can speak three or more languages

A contractor is buying doors for a new office building. If two doors are
$125, how much would nine doors be?
You could setup a proportion here!
Number only.

Answers

Answer:

562 $ for nine doors

Step-by-step explanation:

What are the coordinates of the vertex

Answers

(-9,2) should be the answer

What is (f−g)(x)?

f(x)=x3−2x2+12x−6

g(x)=4x2−6x+4

Enter your answer in standard form in the box.

Answers

x^4 - 6x^3 + 18x^2 - 10x

what is equal to sin(34)

Answers

Answer: sin(34) = 0.52908268612

Answer: it's

0.559192903

Question 1 (1 point)
Three green jelly bean, five red jelly beans and two orange jelly bean are in a bag.

What is the probability of selecting an orange jelly bean, putting it back, and then selecting a green jelly bean?

Question 1 options:

120

350

14

230
Question 2 (1 point)
A spinner is spun and a number cube is rolled. What is the probability that a blue will be spun on the spinner and a four will be rolled on the number cube?

Question 2 options:

124

210

112

13
Question 3 (1 point)
An employee at a pet shop randomly selects two fishes from a tank where there are 5 guppies, 4 platyfishes, and 3 rasboras. What is the probability that both are platyfish?

Question 3 options:

0.08

0.58

0.09

0.6

Question 4 (1 point)
Eleven purple marbles, seven orange marbles and two pink marbles are in a bag. What is the probability of selecting a purple marble, not replacing it, and then selecting an orange marble?

Question 4 options:

19%

20%

21%

22%

Question 5 (1 point)
A coin is flipped twice. What is the probability that the coin will land on tails on the first flip and will land on tails again on the second flip?

Question 5 options:

14=0.25=20%

14=0.20=25%

12=0.25=25%

14=0.25=25%
Question 6 (1 point)
What is the probability of spinning a green and then spinning a yellow?

Question 6 options:

13

412

423

148
Question 7 (1 point)
What is the probability of selecting an Ace, not replacing it, and then selecting a King?

Note: Please, enter only numeric portion of your answer in the box as a decimal rounded to the nearest hundredth.

Example: 0.75

Question 7 options:
Question 8 (1 point)
A cookie jar contains 6 sugar cookies, 4 lemon cookies, and 2 chocolate cookies. Anne randomly chooses 1 sugar cookie from the jar, replaces it, then chooses a chocolate cookie.

Question 8 options:

111

112

823

13
Question 9 (1 point)
Calculate the probability of each scenario and then match the answer to each question.

Question 9 options:

15

415
1.
What is the probability of spinning an even number on the first spinner and vowel on the second spinner?

2.
What is the probability of selecting a red jelly bean, not replacing it, and then selecting an orange jelly bean?

Question 10 (1 point)
A drawer contains unmatched socks. There are 7 black, 4 blue, and 5 white. What is the probability that you will select a white sock, not replace it, and then draw another white sock without looking?

Question 10 options:

0.10=10%

0.098=9.8%

0.078=7.8%

0.08.=8.3%

0 of 10

Answers

Answer:

#1 . 3/50

#2 . 1/24

#3 . 0.9

#4 . 22%

#5 . 1/4 = 0.25 = 25%

#6 . 1/48

#7 . 0.05

#8 . 1/12

#9 . 1 - 1/5 2 - 4/15

#10 . 0.083 = 8.3%

Step-by-step explanation:

i took the quiz

Answer:

#4- 20%

I took the test and saw that a person who answered mistaken this question. I though this would be helpful. :)

Given the data 12 ,39, 21, 18, 24, 17, 12, 25, what is the outlier
a12
b25
c39
d24

Answers

C is the answer, 39 is the outlier

Factor x2 − 8x + 9.

(x − 9)(x − 1)
(x + 9)(x + 1)
Prime
(x + 9)(x − 1)

Answers

Answer:

x²-8x+9

Step-by-step explanation:

Answer:

The answer is Prime

Step-by-step explanation:

Attached photo for proof

Please show work! will mark brainlest!!!!!!!!

Answers

Answer:

34cm

4+2+5+9+6+3+3+(9-4+3)

Answer: C) 34

Step-by-step explanation: add all the sides 5+4+2+2+3+9+3+6=34. plz mark me brainliest.

These are questions about triangles. The teacher has already done one but I don’t know how to do the rest. Please help me! :(

Answers

Step-by-step explanation:

To help you, Remeber the SOHCAHTOA rule

When It asked to find sin, cos, tangent of a angleIf you finding the sin of a angle you must find the side that is Opposite then put it over the hypotenuse I'll do 3,6,7,8 for you.

For 3,The side that is opposite of c is 28 and the hypotenuse (which is the longest side of the triangle) is 35. So the answer is 28/35. or 4/5.

For 6, 32 is opposite of A and 40 is the hypotenuse so

32/40 or 4/5 is our answer.

For 7, 24 is opposite of Z and 40 is the hypotenuse so

24/40 or 3/5 is the answer.

For 8, 14 is opposite of Angle C and 50 is our hypotenuse so

14/50=7/25 is our answer

COS

To find cos it is adjacent/hypotenuse

For 2 the adjacent side to C is 16 and the hypotenuse is 34. so our answer is 16/34 or 8/17.

For 5, the adjacent side is 30 and the hypotenuse is 34 so our answer is 30/34 or 15/17

For 9, the adjacent side is 24 and hypotenuse is 30 so our answer is 24/30 or 5/6.

TAN

TO FIND TAN, it is Opposite/Adjacent

4, the opposite side is 32 and the adjacent is 24 so our answer is 32/24 or 4/3.

10, the opposite side is 27 and the adjacent is 36 so our answer is 27/36 or 3/4

What is the mean of the values in the stem-and-leaf plot?

Enter your answer in the box.

Answers

Answer:

The mean is the average of a set of data.

Example:

To find the mean, add up all of the numbers in the set and divide by the number of values that you added.

35 + 36 + 37 + 38 + 40 + 40 + 41 + 42 + 43 + 55 + 55 + 55 + 56 + 57 + 58 + 59 = 747

Then, divide by the number of values, which is 16.

747/16=46.68

A 36-oz bottle of water costs $2.88.

What is the cost per ounce?

Answers

I got $0.08. I did the math but I am sorry if this doesn’t help you as well.

The cost of the water bottle per ounce is $0.077.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a 36-oz bottle of water costs $2.88. The cost of 1 ounce of the bottle is calculated as,

1 OZ = 1.04 ounces

36 OZ = 36 x 1.04 ounces

36 OZ = 37.44 ounces

37.44 ounces = $2.44

1 ounce = $2.44 / 37.44

1 ounces = $0.077

To know more about an expression follow

https://brainly.com/question/11634992

#SPJ5

Pls help me but pls dont send me a link im begging u

Answers

Answer:

Step-by-step explanation:

24 + 3r >= 100 is the equation

Answer:

I dont know the 1st one but the bottom one is

Yes

If a designer sold 2,000 units of a dress with total sales of $190,000, what was the average price of the garment?

Answers

Answer:

$95

Step-by-step explanation:

We can divide 190,000 by 2,000, since we're assuming they all cost the same. This gets us to our answer, 95. Therefore, each garment cost $95 on average.

IM NOT SMART IM SORRY

Answers

Answer:

Step-by-step explanation:

x+7=0

x=-7

2x-3=0

2x=3

x=3/2

You just need to find the x for each when it equals to zero

Brillianst please!

Answer:

ye im not smart either sorry.

Step-by-step explanation:

PLEASE SOMEONEE HELP NOW

Answers

Answer:

a) n = 14

b) m∠A = 56°

Step-by-step explanation:

add all terms together and set equal to 360

A one side open cylinderical drum has inner radius 28 cm. and height 2.1 m. How much water you can store in the drum. Express in litres. (1 litre = 1000 cc.)

Answers

Answer:

Hence, 5174.4litres of water can be stored in the drum.

Hope it helps..

Have a great day :)

Answer:

volume is equal to πr²h

3.14 × 28² × 210

=516,969.6

divide the result by 1000

516.969litres

Calculate the commission amount for the sale.

7% commission on a $2,560 sale

Answers

Answer:

$179.2

Step-by-step explanation:

7% of 2,560 is 179.2

What numbers correctly complete each equation?

All squares have the same value

Answers

the first one is 5.25 . you have to divide 10.5 by 2 and you'll get 5.25 and when you add 5.25 twice you'll get 10.5 which is the same as 10.50

In ΔUVW, the measure of ∠W=90°, UV = 6.2 feet, and WU = 1.2 feet. Find the measure of ∠V to the nearest tenth of a degree

Answers

Answer:

11.2

Step-by-step explanation:

The answer is 11.2 degree

I need help with graphing equations...

Answers

Ans

Step-by-step explanation:

a solution is always inside the shaded area!

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