I’m confused on questions 2 3 and 4

Im Confused On Questions 2 3 And 4

Answers

Answer 1

Answer:

x = 20

Step-by-step explanation:

60 = x+40

subtract 40 from both sides and you get

20 = x

so x = 20


Related Questions

Select all the expressions that are equivalent to –25(15 – 20d + 5c)

Answers

Answer:

-375+500d-125c

-125c+500d-375

Which of the following could cause a 32 oz bag of chips to not weigh exactly 32 oz?

Answers

Answer:

you eat 1 chip

Step-by-step explanation:

eat 1 chip and you get 31 oz

Use the drawing tools to form the correct answers on the graph.
Consider this linear function:
y = -23 – 5.
Plot all of the ordered pairs for the values in the domain.
D: {-6, -5, -2,0, 1}

Answers

Answer:

Step-by-step explanation:

Domain of a function defines the input values (x-values) of the function.

Given linear function is,

y = -2x - 5

Domain of the function is,

{-6, -5, -2, 0, 1}

By substituting the values of x in the equation we can get y-values (output values).

Input-output table for the function,

x            -6            -5            -2             0             1

y             7             5             -1             -5           -7

Now we can plot these points of the graph.        

Of 300 students in the cafeteria, 180 had lunch. Write the simplified ratio of the students in the cafeteria to the students that had lunch.

Answers

Answer:

300 : 180 = 5 : 3

Answer...
300 : 180 = 5 : 3

Instructions: Use the ratio of a 30-60-90 triangle to solve for the variables. Make sure to simplify radicals. Leave your answers as radicals in simplest form.

Answers

n = 50√3
m = 5√2
just use trigonometry

A cube shaped box with 9 centimeter edges is used
for shipping glass figurines. What is the surface
area of the box?
A. 54 in2
B. 108 in2
C. 324 in2
D. 486 in

Answers

Your answer will be A. 54 in^2

What value of x and y will make the polygon below a parallelogram?

Answers

Answer:

[tex]x = 4[/tex]

[tex]y =1[/tex]

Step-by-step explanation:

Given

The attached figure

Required

x and y

If the attached is a parallelogram, then:

Either segment of a diagonal are equal; So, we have:

[tex]3x = 12[/tex]

[tex]x + y = 5y[/tex]

In [tex]3x = 12[/tex]

Divide both sides by 3

[tex]x = \frac{12}{3}[/tex]

[tex]x = 4[/tex]

Substitute [tex]x = 4[/tex] in [tex]x + y = 5y[/tex]

[tex]4 + y = 5y[/tex]

Collect like terms

[tex]5y - y =4[/tex]

[tex]4y = 4[/tex]

Divide both sides by 4

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

[tex]y =1[/tex]

help pls Peter bought 9 tickets to a basketball game. He paid a total of $72. Choose the equation that determines whether each ticket cost $6 or $8

Answers

Answer:

Cost of each ticket bought by Peter = $8 for each ticket

Step-by-step explanation:

Given:

Number of ticket bought by Peter = 9 tickets

Amount paid by Peter for tickets = $72

Find:

Cost of each ticket bought by Peter

Computation:

Cost of each ticket bought by Peter = Amount paid by Peter for tickets / Number of ticket bought by Peter

Cost of each ticket bought by Peter = 72 / 9

Cost of each ticket bought by Peter = $8 for each ticket

The table shows the height of a softball that Hallie threw in the air. Is the relationship shown linear? Why or why not?
••no links just answers••
I know it's not linear but I dont know why.​

Answers

Answer:

Not a linear relationship

Step-by-step explanation:

Given

The attached table

Required

Linear or not

To do this, we simply calculate the slope of the table at different intervals.

Slope (m) is calculated as:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Let:

[tex](x_1,y_1) = (0,0)[/tex]

[tex](x_2,y_2) = (0.5,7.2)[/tex]

So, the slope is:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

[tex]m = \frac{7.2 - 0}{0.5-0}[/tex]

[tex]m = \frac{7.2}{0.5}[/tex]

[tex]m = 14.4[/tex]

Let:

Let:

[tex](x_1,y_1) = (1,10.7)[/tex]

[tex](x_2,y_2) = (2,12.2)[/tex]

So, the slope is:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

[tex]m = \frac{12.2 - 10.7}{2 - 1}[/tex]

[tex]m = \frac{1.5}{1}[/tex]

[tex]m = 1.5\\[/tex]

See that the calculated slopes are not equal.

Hence, it is not linear

At a book store, 5 fiction books are sold for every 7 nonfiction books sold. How many total books were sold if 35 nonfiction books were sold?

Answers

Answer:

25 Fiction books were sold.

Step-by-step explanation:

The total number of books is 60 books in all.

Answer:

Step-by-step explanation:Total number of books sold altogether in the end is 3040.Step-by-step explanation:A book shop sold fiction books and cartoon books at a ratio of 3:5. ... Then, it sold four times as many fiction books and 40% ... 28 fiction books sold 7 non fiction books are sold D. For every 35 fiction books are sold 11 ...

The number 4 is what percent of 5? A. 0.8% B. 1.25% C. 80% D. 125%​

Answers

Answer:

The answer is C. 80%

Step-by-step explanation:

Hope this helped:)

(4x-1)2=11
whats the solution

Answers

Answer:

x = 13/8

Step-by-step explanation:

(4x−1)(2)=11

Simplify both sides of the equation.

(4x−1)(2)=11

(4x)(2)+(−1)(2)=11 (Distribute)

8x+−2=118x+−2=11

8x−2=11

Add 2 to both sides.

8x−2+2=11+2

8x=13

Divide both sides by 8.

8x/8 = 13/8

which brings you to the answer of

x = 13/8

(Note:If this was a little confusing,feel free to ask me any questions revolving around this topic)

In the diagram below of triangle HJKHJK, LL is a midpoint of \overline{HJ}HJ and MM is a midpoint of \overline{JK}JK. If LM=71-9xLM=71−9x, and HK=23-xHK=23−x, what is the measure of LMLM?​

Answers

Answer:

Step-by-step explanation:

Since J is the midpoint of HK,  then HJ=JK   and 3x+5=9x-3  solve for x

6x=8   x=8/6=4/3     so HJ=3x+5=3(4/3)+5=9 = JK   HK=2(9)=18

the full segment HK is 18,  each half of it is 9 =HJ=JK

david invest $10,000 in a CD that pays 8% compounded quarterly. how long will it take his investment to double

Answers

Answer:

Step-by-step explanation:

1. Write a equation

[tex]10,000(1+\frac{0.08}{4})^4^x[/tex]

2. plug in 20,000 to y

[tex]20,000=10,000(1+\frac{0.08}{4})^4^x[/tex]

3. Solve

what is the regular price r of a museum ticket before the discount? Enter the amount table.

Answers

Answer:

The regular price r of a museum ticket before the discount is $60

Step-by-step explanation:

What is discount?

Discount is a reduction made from the gross amount or value of something.

What is regular price?

Regular price means the price at which similar goods or services are regularly sold on the market.

Given,

[tex]54=0.9r\\r=54/0.9\\r=60[/tex]

The regular price r is $60

To know more about discount , regular price here.

https://brainly.com/question/24227305

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Answer:

The regular price r of a museum ticket before the discount is $60

Step-by-step explanation:

hope this helps

I don’t know what 2⁄3 × 1⁄8 × 5⁄9 =

Answers

Answer:

5/108

hope this helps

have a good day :)

Step-by-step explanation:

Answer:

5/108

Step-by-step explanation:

2/3 * 1/8 is 2/24

^2/24 can be simplified to 1/12

^ 5/9 * 1/12 is 5/108.

Therefore,

Your answer is 5/108 , if I understood the question correctly.

Please help me thank you

Answers

Answer:

19/24 option d is correct

Factorial – is the product of natural numbers, for example:

5! = (5)(4)(3)(2)(1) = 120

Simplify the following expression:

1) 11! 2) 15! 3) 20!

8!(7-3)! 10!(9-5)! 13!

Answers

Answer:

Step-by-step explanation:

11! = 11*10*9*8*7*6*5*4*3*2*1 = 3991600

15! = 15*14*13*12*11*10*9*8*7*6*5*4*3*2*1=1.307674368 * [tex]10^{12}[/tex]

also looks like this                             1,307,674,368,000

20! = 20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2 = 2.432902008 * [tex]10^{18}[/tex]

also looks like this                             2,432,902,008,000,000,000

8!(7-3)! = 8!4! = (8*7*6*5*4*3*2)(4*3*2) = 967,680

10!(9-5)!13! = 10!4!13! =3,628,800*24*6,227,020,800 = 5.423187139*[tex]10^{17}[/tex]

NO LINKS
what is the answer??

Answers

Answer:

5625 bald eagles

Step-by-step explanation:

Given

[tex]y = 312.5x + 1562.5[/tex]

Required

Predict the numbers in 1998

First, we calculate the value of x

[tex]x = 1998 - 1985[/tex] ---- years since 1985

[tex]x = 13[/tex]

So, we have:

[tex]y = 312.5x + 1562.5[/tex]

[tex]y = 312.5*13 + 1562.5[/tex]

[tex]y = 4062.5 + 1562.5[/tex]

[tex]y = 5625[/tex]

A stock brokerage has four computers that are used for making trades on the New York Stock Exchange. The probability that a computer fails on any single day is 0.005. Failures occur independently. Any failed computers are repaired after the exchange closes, so each day can be considered an independent trial. (a) What is the probability that all four computers fail on one day

Answers

Answer:

625/100,000,000 or 6.25 out of one million

Step-by-step explanation:

(0.005)^4 = .000000000625  =  625/100,000,000

The probability that all four computers fail on one day is =6.3*[tex]10^{-10}[/tex].

What is probability?

It is a branch of mathematics that deals with the occurrence of a random event.

The probability that a computer fails on any single day is 0.005.

Let X denotes no. of computers fail on day

So, n = 4 , p = 0.05, q= 1-0.05=0.995

P (X = x) = [tex]^{n} C_x \;p^{x} \;q^{n-x}[/tex]

P (X = 4)

= [tex]^{4} C_4 \;(0.005)^{4} \;(0.995)^{4-4}[/tex]

=1* 0.00000000063*1

=0.00000000063

=6.3*[tex]10^{-10}[/tex]

Hence, the probability that all four computers fail on one day is

=6.3*[tex]10^{-10}[/tex].

Learn more about probability here:

https://brainly.com/question/15055443

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Fina bought a DVD player for $58.97 and a set of DVDs for $24.98. How much did Fina spend in all?

Answers

Fina spent $83.65 in all.

On a coordinate plane, how are the locations of the points (7. -4) and (-7, 4) related?
OA.
reflection across both axes
OB.
reflection across the x-axis
OC. reflection across the y-axis
OD.
locations unrelated

Answers

Answer:OC

Step-by-step explanation:

One coin is flipped six times. What is the probability of flipping two heads and four tails?

Answers

Answer:

1/6 x 1/6 = 1/36

1/36 is our probability of getting two heads and four tails.

What are all the values of x that make the quadratic A
equation below true?
x² – 16=0

Answers

x^2 = 16
x = 4
x = -4
good luck :)

Х
Compare fractions an
Compare the numbers using a >, <, or = symbol.

2 1/2 28/10

Answers

Answer:

2 1/2 < 28/10

Step-by-step explanation:

28/10 simplifies to 2 8/10 which simplifies to 2 4/5

NO LINKS-DOCS ETC
PLZ SOLVE ASAP
LOTS OF POINTS
WILL MARK BRAINLYEST

Answers

Answer: Betsy is incorrect.

Step-by-step explanation:

The area of a trapezoid is a+b/2 multiplied by h.

First, we should do 5+8/2= 6.5

Next, we multiply 6.5 with 4 because 4 is the height of the trapezoid.

6.5 times 4= 26

Betsy thought the answer was 52, but it is 26 so she is incorrect.\

I hope this helps, may god bless you! :)

(b) Rewrite the percentage in the sentence below as a decimal.
The photographer filled 40% of her memory card with animal pictures.

Answers

40% = 0.4
Explication:
40 / 100 = 0.4

342 employees prefer a bonus over extra vacation days from a survey of 450 employees what is the population proportion

Answers

Answer:

76

Step-by-step explanation:

450/100 = 4.5

342/4.5 = 76

What are the missing numbers in the data set? Assume the numbers are in order.



24, 28, 32, 39, ___ Range = 18

Group of answer choices

41

42

43

44

Answers

Answer:

42

Step-by-step explanation:

To find the range, first put all the numbers in order. Then subtract the lowest number from the highest.

Hope this helps!If you have any questions revolving around this topic,feel free to ask me and I will be happy to help,Good luck!

Harold can solve 25 math problems in 40 minutes. At that rate, how many minutes will it take Harold to solve 60 math problems?

Answers

25 problems in 40 minutes
60 problems in x minutes
25x=2400
x= 96
96 minutes
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