Mathematics College

PLEASE HELP ME I NEED SO MUCH HELP

Answers

Answer 1

Answer:

brainlist first

Step-by-step explanation:

Answer 2

Answer:

12)fx is the answer

Step-by-step explanation:

Related Questions

Consider these functions: f(x) = 4x^3 - 10 g(x) = [tex]\frac{3x - 4}{2}[/tex] What is the value of g(f(2))?

A. -6
B. 2
C. 19
D. 31

Answers

Answer:

D. 31

Step-by-step explanation:

First Plug 2 into f(x) and solve.

You should get 22.

Then plug f(2) which is equal to 22 into g(x).

So, plug 22 into g(x).

You should get 31.

A cylinder that had a height of 20 cm and a radius of 3 cm. What will be the volume of a cone with the same dimension?

Answers

Answer:

V= 565.49 but ir rounded to the nearest tenth it will be 565.5

Let A={2,3,4} B={2,5,6} C={5,6,2} and D={6}. Determine if the following statements are true:
i). 4€C
ii). 5€C
iii). A=B
iv). B=C

Answers

Answer:

i. 4∈C => False

ii. 5∈C => True

iii. A = B => False

iv. B=C => True

Step-by-step explanation:

Given sets are:

[tex]A = \{2,3,4\}\\B = \{2,5,6\}\\C = \{5,6,2\}\\D = \{6\}[/tex]

Lets look at the statements one by one.

i. 4∈C

This statement means that 4 is a member of set C. Looking at the members of set C, it can be concluded that the statement is wrong as C doesn't contain 4.

ii. 5∈C

This statement is true as 5 is a member of C.

iii. A=B

This statement states that set A is equal to set B. Two sets are said to be equal if there number of elements and members are same. Set A and Set B have different members so this statement is false.

iv. B=C

Set B and Set C have equal number of members and the members (5,6,2) are also same so the statement is true.

Hence,

i. 4∈C => False

ii. 5∈C => True

iii. A = B => False

iv. B=C => True

plz help me I don’t get there problem!!!!

Answers

Answer:

its C. do you need an explanation? i could give one if you want

Step-by-step explanation:

which line is parallel to y=1/2x+5?

Answers

Answer:

the first one (y = 1/2x - 7)

Step-by-step explanation:

If the lines are parallel, the slope has to be the same.

Simplify the expression

Show your work please so I can understand not just the answer please ❤️❤️

Answers

Answer:453rft

Step-by-step explanation:

Answer:

-1.6r + 1.8

Step-by-step explanation:

-1.6 (r+2) +5

^ the -1.6 can be distributed to the (r+2) because it's basically multiplying

that becomes --> -1.6r + -3.2 + 5

Now the -3.2 and 5 are like terms so they can be solved together

-> -3.2 + 5 = 1.8

Now, -1.6r and 1.8 are not like terms because 1.8 does not have an r attached to it so you cannot do nothing from there

your answer becomes = -1.6r + 1.8

A construction crew built 9 3/4 miles of road in 3 3/8 days.

What is the unit rate in miles per day?

Write your answer as a fraction or a mixed number in simplest form.

BRAINLY PLEASE HELP!!!!!!!

Answers

Answer:

2 2/5 per day I’m pretty sure ( 3 1/8 / 7 1/2)

Step-by-step explanation:

2 2/5 a day can you please mark me as brainlist please

Michelle is a server in a restaurant. On a weekend night, Michelle earned $4 an hour and $65 in tips. She made a total of $93. Write and solve an equation to determine how many hours she worked. On Monday, Ken spent half of his money on a new game. The next day he earned $12 mowing lawns. He now has $32. How much money did Ken have before bought the game? I need the equation too.

Answers

Answer:

first question: Michelle worked for 7 hours

second question: Ken had $40 before buying the game

Step-by-step explanation:

4x + 65 = 93

4x = 28, x = 7

Michelle worked for 7 hours

Ken 1/2x + 12 = 32

1/2x = 20

x = 20. 20*2 = $40, ken has $40 before buying the game.

The measures of two angles of a triangle are 38° and 47°. What type of triangle is this?

a. acute b. obtuse c. right d. equiangular

Answers

Answer:

acute

Step-by-step explanation:

it is less than 90 degrees, making it an acute triangle

I NEED HELP WITH THIS QUESTION

Answers

Answer:

y= 7 and -1

Step-by-step explanation:

4÷3/5 what is the answer plz help me out thanks
[tex]4 \div \frac{3}{?5} [/tex]

Answers

Answer:

Step-by-step explanation:

Answer:

4/ 3/5

4×5/3

20/3

6.67

are you clear, if yes give me brainliest and if no draw my attention by hitting the comment section

100 Points Linear Equations

1.) Write the equation of a line in point-slope form that has a slope of 3 and goes through the point (2,-4).

2.) Write the equation of a line in point-slope form that has a slope of -1/4 and a y-intercept of 5.

3.) Check Image below

4.) Check Image below

Answers

Answer:

y=3x+1

y=-1/4+5

3 is the lope 1 is the intercept

[tex]\\ \tt\hookrightarrow y+4=3(x-2)[/tex]

[tex]\\ \tt\hookrightarrow y+4=3x-6[/tex]

[tex]\\ \tt\hookrightarrow 3x-y-10=0[/tex]

#2.

m=-1/4b=5

[tex]\\ \tt\hookrightarrow y=mx+b[/tex]

[tex]\\ \tt\hookrightarrow y=-1/4x+5[/tex]

Which phrase correctly describes the expression 4 × 3 –1?

One minus the product of four and three

One less than the product of four and three

One less than the sum of four and three

Four times the difference of three and one

Answers

Answer: d

Step-by-step explanation: it is d

During a snowstorm, the temperature drops from 0°F to -10°F in 2 hours. On average,by how many degrees is the temperature changing per hour?

Answers

Answer:

-5°F

Step-by-step explanation:

As, in 2 hrs = - 10°F

For 1 hr = - 10°F/2 = - 5°F

So, answer = - 5°F

Bella bought 3.2 meters of ribbon to decorate her pencils case.

Answers

What’s the question?

Answer: 1.47

Step-by-step explanation:i did the quiz and got it right

The inequality log8(2x) < log2(x – 2) can be graphed on the graphing calculator by using the inequalities log8(2x) < y and y < log2(x – 2). What is the solution set of the inequality? (0, 4) (–∞, 4) (4, ∞) (–∞, 0]

Answers

Answer:

c - (4, ∞)

Step-by-step explanation:

answer on edg

Answer:

Answer is choice C . (4, ∞)

Step-by-step explanation:

on edge

If Google has 2.54x10^5 hard drives in one building and each hard drive holds 5.8x10^14 bytes of data. How many bytes of data are in the one building?

Answers

bigdickdaddy bigdickdaddy

bigdickdaddy

The circumference of a circle is 31.4. What is the are of the circle?

Answers

It is 78.5cm^2, have a great day

A line goes through the points (6,2) and (−10,−3). Find its slope. Enter your answer as a simplified improper fraction, if necessary. Do not include "m=" in your answer. Provide your answer below:

Answers

-16/5

Step-by-step explanation:

calculating the gradient you use the formula change in y/change in X

subtract y coordinate -3-6=-5

subtract X coordinate -10-6 =-16

-16/5 = -16/5 or -3.2

Find - 1 5/6 + (-1/3) in a number line

Answers

Answer:

put it on -1

Step-by-step explanation:

you turn the mixed number into an improper fraction and then you turn -11/6 to have a denominator of 3 so then it comes out to -1 1/2 over 3 then you multiply the 3 times 2 and the 1 1/2 times 2 and you get -3/3 and equals out to -1

DO AUVT and AKU in the figure annear to he similar? Why or why not?

Answers

Answer:

Step-by-step explanation:

Check the attachment below for more detailed explanation

Find the product. Simplify before multiplying.

12/21 x 7/9

Answers

Answer:

4/9

Step-by-step explanation:

uabajssjbskzjsnsksjamskzns

Evaluate the expression for the given value of the variables.
0.9c - 2.3d
C= 17, D= 3
WHAT'S 0.9c - 2.3d

Answers

Answer:

8.4

Step-by-step explanation:

0.9c - 2.3d

given c = 17 and d = 3, substitute these into the expression:

0.9c - 2.3d

= 0.9(17) - 2.3(3)

= 15.3 - 6.9

= 8.4

So should 243 be divided by 4

Answers

Answer:

sure... y not

Step-by-step explanation:

243÷4=60.75

Can a number be a natural number but not a rational number? Explain your reasoning. PLEASEE HURRRYYY

Answers

rational numbers include all the integers, plus all fractions, or terminating decimals and repeating decimals. All natural numbers, whole numbers, and integers are rationals, but not all rational numbers are natural numbers, whole numbers, or integers.

Greg invests $400 in a savings account that earns 6% simple interest annually. If he does not make any additional deposits or withdrawals, how much money will be in the savings account after 2 years?

Answers

Answer: your answer is 4800

Step-by-step explanation:

I need part A and B now please
Thank you!!

Answers

Answer:

[tex]\Large\boxed{\text{The amount of money changes by \$50 per week.}}[/tex]

[tex]\Large\boxed{s(t) = 70+50t}[/tex]

Step-by-step explanation:

We can create a function based on this scenario.

We know that you start with $70. This would be a constant. So, we already know that our function will contain +70.

If we earn $50 a week, we know that we can create an expression here to find how much we make based on how many weeks we spend, assuming t represents the amount of weeks we spent.

[tex]50t[/tex]

We can add this to our original constant of 70.

[tex]70+50t[/tex]

Since the output will be a function based on how many weeks we spend, we can make it equal to s(t).

[tex]s(t) = 70+50t[/tex]

The slope here is 50, meaning that every week we earn 50 dollars more.

This means the amount of money changes by 50$ per week.

Hope this helped!

Instructions are in the image attached...

Answers

Answer:

26) (2,-3) (-2,0)

27) (2,4) (-6,9)

Step-by-step explanation:

Now the slopes and the y-intercepts.

The Juniors and Seniors reported their scores on a standardized math test. The teacher displayed their scores on dot plots.

What is the MAD for the Junior and Senior scores?

0.7
29.3
14.3 and 15
14 and 14.4

Answers

Answer:

14 and 14.4

Step-by-step explanation:

✍️MAD for Juniors:

✔️Write out the individual scores represented in the dot plot:

505, 505, 510, 515, 525, 530, 530, 540, 550, 550

✔️Find the mean of the data set = [tex] \frac{505 + 505 + 510 + 515 + 525 + 530 + 530 + 540 + 550 + 550}{10} = \frac{5,260}{10} = 526 [/tex]

✔️Find |data value - mean|:

|505 - 526| = 21

|510 - 526| = 16

|515 - 526| = 11

|525 - 526| = 1

|530 - 526| = 4

|540 - 526| = 14

|550 - 526| = 24

✔️Find the sum of |data value - mean| and divide by 10:

[tex] \frac{21 + 21 + 16 + 11 + 1 + 4 + 4 + 14 + 24 + 24}{10} = \frac{140}{10} = 14 [/tex]

✅M.A.D = 14

The same steps would be taken to find the MAD for Seniors.

✍️MAD for Seniors:

✔️Write out the individual scores represented in the dot plot:

535, 535, 535, 550, 550, 550, 560, 575, 575, 580

✔️Find the mean of the data set = sum of all values in the data set ÷ 10 = 554.5

✔️Find the M.A.D by dividing the sum of |data value - mean| by 10:

[tex] \frac{144}{10} = 14.4 [/tex]

✅M.A.D = 14.4

Erin weighs 135 pounds and is gaining ½ pound each week. Miranda weighs 143 pounds and is losing ¼ pound each week. Write an equation that could be used to determine x, the number of weeks that it will take until the two girls weigh the same amount?

Answers

Answer:

10.66 weeks

Step-by-step explanation:

Number of weeks is x

135 + 1/2x = 143 - 1/4x1/2x + 1/4x = 143 - 1353/4x = 8x = 32/3 = 10.66 weeks

Answer:

[tex]135+\frac{1}{2}x=143-\frac{1}{4}x[/tex]

Step-by-step explanation:

Let E represent Erin’s weight, and let M reprevent Miranda’s weight.

And let x represent the amount of week that passes.

Eric is currently 135 pounds. However, she is gaining 1/2 pounds per week x.

Hence, we can write the following equation:

[tex]D=135+\frac{1}{2}x[/tex]

Miranda currently weights 143 pounts. However, she is losing 1/4 pounds per week x.

Since she is losing weight, 1/4 is negative. Hence:

[tex]M=143-\frac{1}{4}x[/tex]

When the two girls weigh the same, D=M. Thus:

[tex]D=M[/tex]

Substitute them for their respective equations to acquire:

[tex]135+\frac{1}{2}x=143-\frac{1}{4}x[/tex]

Notes:

To solve, first eliminate the fractions by multiplying everything by 4. This yields:

[tex]540+2x=572-x[/tex]

Add x to both sides. Subtract 540 from both sides:

[tex]3x=32[/tex]

Divide both sides by 3:

[tex]x=32/3\approx10.67[/tex]

Hence, it will take about 11 weeks for the girls to weigh the same.

Other Questions

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