Please help.
What is the solution to 2x+8<3x-4?
A. x < 12
B. x > 12/5
C. x > 12
D. x < 12/5
Please if you answer explain how to do it... I completely forgot.

Answers

Answer 1

Try solving this like you would solve an equation, but just with an inequality sign.


What we want to do is isolate the variable [tex]x[/tex] through algebraic manipulation.

So if we have:

[tex]2x+8 < 3x-4[/tex]

[tex]x > 12[/tex]

After we subtract the [tex]2x[/tex] from the left side and add [tex]4[/tex] from the right side.

Hope this helps!


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What is Slope for y= -x - 3

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Answer: -1

in a function:

f(x) = mx + b

or

y = mx+ b

y=f(x) so,

y = -(1) x - 3

m=slope --------

x=x-coordinate

b=y-intercept

5 x 5/6 in simplest form

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25/6 or 4 1/6

Depends if improper or mixed fraction

If the surface area of a cube is 54 cm2, how long is each side?

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Each side would be 3 cm

Translate the following:
“Four times the cube root of x, minus nine”

Answers

Answer:

D, because the word problem separates the minus nine with a comma.

a is incorrect because there is no cube root

b is incorrect because again, no cube root

c is incorrect because the minus nine should not be within the cube root

Four times the cube root of x, minus nine is [tex]4\sqrt[3]{x-9}[/tex].So, our correct answer is 3. [tex]4\sqrt[3]{x-9}[/tex] .Here are a few ways to write "Four times the cube root of x, minus nine":

4 * √(x) - 9

4√(x) - 9

[tex]4\sqrt[3]{x-9}[/tex]

The first way to write it is the most literal way. It uses the multiplication symbol (*) to indicate that we are multiplying 4 and √(x). The second way to write it is a bit more concise. It uses the exponent notation to indicate that we are taking the cube root of x. The third way to write it is the most mathematical way. It uses the LaTeX symbol for the square root, which is \sqrt{}.Which way you choose to write it depends on the context. If you are writing in a more informal setting, you might use the first way. If you are writing in a more formal setting, you might use the third way

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If the area of the park is 180 square feet and the length of the park is 18 feet. What is the width of the park.

Answers

10 feet
180/18 = 10
so the width is 10 feet
BRAINLIEST? TY!

Maria wants to join a music class. Music class A charges an enrollment fee of $24.00 plus $12.00 per hour, and music class B charges an enrollment fee of $20.00 plus $16.50 per hour.

The graph below represents the fee for music class A and music class B.


According to the graph above, at approximately how many hours will the total fee for both the classes be equal?

1. 2.4
2. 1.8
3. .2
4. .8

Answers

I think it’s the last one but not sure

Answer:

Its .8 or #4.

Step-by-step explanation:

What is the best estimate of 687 × 391?

Answers

Answer:

258,620

Step-by-step explanation:

687 x 391 = 268,617

You keep the 268 part but instead of 617 it is 620.

Please help ASAP!!
I'll mark brainliest!!!:)​

Answers

I believe it’s y=-30x+120

Johnson cut a round pizza into 12 equal pieces. He ate 4 adjacent pieces. What is the measure of the angle of the pizza that Johnson ate?

A.
48°

B.
90°

C.
120°

D.
160°

Answers

The answer is C, because the angle is obtuse, but also not as big as 160°

Answer:

C 120 degrees

Step-by-step explanation: 3 times 4 equals 12 so if 4 peices are eaten then there is only 2/3 left so theres only 240 degrees left of the pizza so we take 360 minus 240 we get 120 so there is 120 degrees of pizza eaten by johnson.

EASY (25 POINTS)
Set up an equation

Answers

Answer:

D

Step-by-step explanation:

You want to make sure your coefficients in the first equation are 0.25 and 0.05 and add up to the total price. (3.65)

You want to make sure you have an equation that models the amount of coins, which was said to be 20 coins.

A factory makes circular rugs with a radius of 6.5 feet. How much braid do
they need to go all the way around the outside of the rug? Use 3.14 for it.
A 40.82 ft
B 132.67 ft
C 20.41 ft
D R 16.14 ft

Answers

The answer is A, or 40.82 ft. This can be found using the formula for finding the perimeter of a circle: 2pir (2 x pi x radius). 2 x 3.14 = 6.28, and 6.28 x 6.5 = 40.82 ft. Hope this helps!

PLEASE HELP ASAP! Find the volume of the prism.

Answers

[tex]30 + 2 \sqrt{3} cubic \: units[/tex]

This the answer

Answer:

5sqrt3

Step-by-step explanation:

Know that area of a Equilateral triangle is

[tex] \frac{ \sqrt{ 3} }{4} {a}^{2} [/tex]

where as a is the side of it.

so area of the triangle in the base of the prism is

[tex] \frac{ \sqrt{ 3} }{4} \times {2}^{2} = \sqrt{3} [/tex]

so the volume will be

[tex]area \: of \: the \: base \: of \: the \: prism \: \times the \: length \: of \: it = 5 \sqrt{3} [/tex]

Find the value of x.

Answers

Answer: 52 degrees

Step-by-step explanation: the sum of interior angles of a triangle is equal to 180 degrees. So, the missing angle is equal to 180-90-38

The roller coaster has a mass of 600 Kg speeds up to 22 m/s as it goes down a giant hill. Calculate the kinetic energy. SHOW WORK!

Answers

Answer:

145.2 kJ

Step-by-step explanation:

Kinetic Energy formula

K.E. = 1/2mv², where :m = massv = velocity

Substituting the given values

K.E. = 1/2 x 600 x (22)²K.E. = 300 x 484K.E. = 145200 JK.E. = 145.2 kJ

Answer:

145,200 J

Step-by-step explanation:

The formula to calculate kinetic energy is [tex]K=\frac{1}{2}mv^{2}[/tex], where K is the kinetic energy in Joules, m is the mass in kg, and v is the velocity in m/sSubstitute in the values[tex]K=\frac{1}{2}\times 600\times 22^{2}[/tex][tex]K=\frac{1}{2}\times 600\times 484[/tex][tex]K=\frac{1}{2}\times 290400[/tex][tex]K=145200[/tex]

Question is in picture

Answers

Answer:

I would say city B.

Step-by-step explanation:

Because NC is closer to the equator than Ohio, Ohio might have weirder weather. I've also read that Ohio's weather is always super unstable and always a gamble. I'm not 100% sure tho. Hope that helps! (:

Help help help help help

Answers

Answer:

z = 7

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable.

⭐ Question 1
Is this statement true or false?
9 × (8 - 7²) ÷ 5
Has more than two solutions.

Answers

Answer:

WRONG

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

You use PEDMAS - priority of calculation

1) Paranthesis

2) Exponents

3) Divide or Multiple (whichever comes first, reading left to right)

4) Add or Subtract (whichever comes first, reading left to right)

Also, there are no unknowns, all numbers are known so no chance of having multiple answers.

Find the value of x.
(3x + 67)
130°

x = [?]°
Enter

Answers

x=21, you’ll subtract 67 from 130 and then divide that by 3 and you’ll get 21

i will give brainliest

A) 480

B)960

C) 2,880

D) 320

Answers

Answer:

D) 320

Step-by-step explanation:

10 x 8 for the base is 80. For the 4 triangles it is 12 x 10 divided by 2 x 4 which gives you 240. 240 + 80 is 320.

how many solutions are there to each of these equations?

Answers

Answer:

first one, put value of x= -3 and y = 0

second one, pit vale of x=7 and y= -7

Step-by-step explanation:

first one,

-14(-3) -20(0) =42

or, 42-0 = 42

or, 42 = 42

proved

second one,

-14(7) -20(-7) = 42

or, -98 + 140=42

or, 42 = 42

proved

Old Navy has a sale on $15 shirts: buy 3
and get 40% off. How much would 3
shirts cost on sale?

Answers

The amount that the would be paid after 40% discount is $27

Word Problem

Given Data

Cost of a shirt = $15Discount = 40%

Let us find the cost of three shirt

= 15*3

= $45

Let us find 40% discount of $45

= 40/100*45

= 0.4*45

= $18

Let us find the amount after discount

= 45-18

= $27

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How much is 1 inch pls answer this question for me smart ones

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Answer: 2.54 centimeters

Step-by-step explanation: multiply the length value by 2.54

Where does the Democratic Republic of the Congo (DRC) rank for size globally?
A. 10
B.12
C. 8
D. 14

Answers

B but now it is 11 Yh place but 12

The owner of a small deli is trying to decide whether to discontinue selling magazines. He suspects that only 7% of his customers buy a magazine and he thinks that he might be able to use the display space to sell something more profitable. Before making a final decision, he decides that for one day he will keep track of the number of customers that buy a magazine. Assuming his suspicion that 7% of his customers buy a magazine is correct, what is the probability that exactly 4 out of the first 14 customers buy a magazine

Answers

Using the binomial distribution, it is found that there is a 0.0116 = 1.16% probability that exactly 4 out of the first 14 customers buy a magazine.

What is the binomial distribution formula?

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.

In this problem:

7% of his customers buy a magazine, hence p = 0.07.A sample of 14 customers is taken, hence n = 14.

The probability that exactly 4 out of the first 14 customers buy a magazine is P(X = 4), hence:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 4) = C_{14,4}.(0.07)^{4}.(0.93)^{10} = 0.0116[/tex]

0.0116 = 1.16% probability that exactly 4 out of the first 14 customers buy a magazine.

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I borrowed $25,000 for 5 years at a 5% interest. What was the total interest?

Answers

Answer:

The Total interest paid is $3,306.87

How many ways are there to choose a soccer team consisting of 3 forwards, 4 midfield players, and 3 defensive players, if the players are chosen from 9 forwards, 7 midfield players, and 7 defensive players?

Answers

Using the combination formula, it is found that there are 37,044 ways to form the soccer team.

What is the combination formula?

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by:

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

In this problem:

3 forwards are taken from a set of 9.4 midfielders are taken from a set of 7.3 defenders are taken from a set of 7.

Since they are independent of each other, the total number of combinations is given by:

[tex]T = C_{9,3} \times C_{7,4} \times C_{7,3} = \frac{9!}{3!6!} \times \frac{7!}{3!4!} \times \frac{7!}{3!4!} = 37,044[/tex]

There are 37,044 ways to form the soccer team.

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Please help! I cant seem to solve any of my problems

Answers

I believe it’s A but I’m not positive so sorry if this is wrong!

how do I write an expression that is equivalent to 3(7 + x)?

Answers

Answer:

21 + 3x

Step-by-step explanation:

Use Distributive property: a(b + c) =(a *b) + (a*c)

3( 7 + x)= 3*7 + 3*x

           = 21 + 3x

Help now ill give brainly!!!

Answers

Answer:

I think is no triangle possible.

Step-by-step explanation:

There is no 2 or 5.

I hope this helps. If it is wrong I am sorry. Please have a good day

If 10Px=5040, then find the possible value of x

Answers

Answer:

504 Paise

Step-by-step explanation:

10x = 5040

x = 5040/10

x = 504

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