what is the value of 3b2−b when b = 5?

Answers

Answer 1
Ok so it’s using distributive property

3(5)2-5
5*3=15
5*2=10

You add that 25
Minus the last b Which would make it 20
:)

Related Questions

Which is the best approximation of
[tex] \sqrt{110} [/tex]
A. 12.0 B. 10.5 C. 8.9 D. 13.1​

Answers

Answer:

c

Step-by-step explanation:_

  ______________________________

help i need this done asap

Answers

Answer:

look at explanation

Step-by-step explanation:

<ABC and <CBD are supplementary, meaning when added together they equal 180 degrees. So that means 5x + 2x + 5 = 180. Add 5x and 2x together to make 7x, so you are left with 7x+5 = 180. Subtract 5 from both sides to get 7x = 175. Divide 7 on both sides to get x by itself, so you are left with the result x = 25, proving that x does equal 25 degrees.

(8x3 - 6x4 + 3) + (3x3 - 3 + 8x4)

Answers

Answer:

41

Step-by-step explanation:

Answer:

41

Step-by-step explanation:

Just use the order of PEMDAS :)

what is 1 over 3 times 1 over 4?​

Answers

833/10000
this is the correct answer

two boys received equal amounts of pocket money .after one had spent N$15 and the other had spent N$21,they had N$64 together .what were their original allowance?

Answers

Answer:

100

Step-by-step explanation:

15+21=36+64=100

Which points have an x value less than zero?
C, D, J
X, С
P, L
D, J, E

Answers

Answer:

c d & j

Step-by-step explanation:

If something has a positive x value, then it will be on the right side of the graph, or In quadrants I or IV. Anything to the left of the origin (the center) is negative. All of the other points have positive x values.

Hope this helps :-)

A basketball player attempted 15 field goals. He scored on 40 percent of his attempts. How many field goals did the player score? NEED HELP BADLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 10/21/2020

Answers

Answer:

He scored 6 field goals out of 15

Step-by-step explanation:

40% converted into a decimal is 0.4. "Of" means multiply. So you do 15 times 0.4 and get 6.

triangle abc with vertices a(-3 2) b(-1 7) and c(6 1) in the x-axis

Answers

Answer:

A'(-3, -2), B'(-1, -7), C'(6, -1)

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. If an object is transformed, all its points are also transformed. Types of transformation are reflection, rotation, dilation and translation

If a point X(x, y) is reflected across the x axis, the new location is X'(x, -y).

If triangle ABC is reflected across the x axis, the new vertices are A'(-3, -2), B'(-1, -7), C'(6, -1)

Michael Fenton sells plumbing supplies to contractors. He earns 3% commission on the first $15,000
in sales, 5% on the next $15,000, and 8% on sales over $30,000. Last month he sold $52,000 worth
of plumbing supplies. What was his total commission?

Answers

Answer:

His total commission was: $2,960

Step-by-step explanation:

The commissions that Michael Fenton earns by selling plumbing supplies to contractors has three levels:

On the first $15,000 in sales, he earns 3%

On the next $15,000 in sales, he earns 5%

Over $30,000 in sales, he earns 8%.

Last month he sold $52,000 worth of plumbing supplies. His commissions will be calculated according to the levels reached:

The first $15,000 gave him 3%*15,000=0.03*15,000=$450

From the $52,000 sales, there remains $52,000 - $15,000 = $37,000 for the next levels.

The next $15,000 gave him 5%*15,000=0.05*15,000=$750

Now $37,000 - $15,000 = $22,000 remain for the last level.

Michael earned 8% of $22,000 = 0.08*22,000 = $1,760

His total commission was: $450 + $750 + $1,760 = $2,960

Paul reads 5 pages in 4 minutes. How many pages can he read in 7 minutes?

Answers

Answer:
He can read 8.75 pages in 7 minutes

Explanation:
If you divide 5 and 4 the quotient would be 1.25 pages for every minute. If you multiply 1.25 by 7 minutes it’s 8.75

Is this right? Pls help ;-;

Answers

It sounds and looks right from what i’m seeing!

Sorry guys I suck at math, I may or may not keep posting
But hey, if you want a brainliest and 25 points(right answers only pls), here you go.

Answers

Answer:

C

Step-by-step explanation:

The difference between t and d is 7 so you add both and subtract 7 and get y. This might be wrong I am not 100% if this is right

Answer:

HAHAHAHAHAHAHAHAHAHAHA

Step-by-step explanation:

One half of a number increased by 3 is five less than two thirds of the number

Answers

Answer:

12 is thy number lol

Step-by-step explanation:

1/2x + 3 = 5 - 2/3x  

Subtract the 1/2x

You get 3 = 5 - 1/6x

Subtract the five.

-2 = -1/6x

Multiply by -6

x = 12

The number who's one-half increased by 3 is five less than two-thirds of itself is 48.

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

Let the unknown number be represented by x.

Given the statement that "One half of a number increased by 3 is five less than two-thirds of the number". Therefore, the statement as an expression can be written as,

(1/2)x + 3 = (2/3)x - 5

Solving the equation for x,

3 + 5 = (2/3)x - (1/2)x

8 = (4/6)x - (3/6)x

8 = (1/6)x

x = 8 × 6

x = 48

Hence, the number who's one-half increased by 3 is five less than two-thirds of itself is 48.

Learn more about Expression here:

https://brainly.com/question/13947055

#SPJ2

63.7786879082 rounded to the nearest tenth

Answers

Answer:

63.8

Step-by-step explanation:

63.77 so you look at the hundredths 5 or higher round up

63.8 is the required answer

The given number is 63.7786879082, we have to round to the nearest tenth

How to round nearest 10th?

To round the decimal number to its nearest tenth, look at the hundredth number. If that number is greater than 5, add 1 to the tenth value.

63.7786879082

We can see that 100th number i. e 7 is greater than 5, so add 1 to the tenth value

So we get 63.8

To learn more about rounding problems visit the link https://brainly.com/question/19288016

#SPJ2

PLEASE ANSWER I MARK AS BRAINLIST PLEASEEE

Answers

Answer:

Answer B because $15 for 180 lbs is way more than 300 lbs for $24 dollars.

Step-by-step explanation:

CAN YOU GUYS HELP ME CAUSE I'M STUCK

Answers

Answer:

Its equals to 16m^12p^8

Step-by-step explanation:

please help me quickly ! giving brainliest !

Answers

Answer: -57

Step-by-step explanation:

-50+21/-3

-50+-7

-57

i’m 99% sure the answer is -43

Please help? I don’t get this it’s really tough...

Answers

Answer:

D. 200-2/3x=2/5

Step-by-step explanation:

You can tell that one side of the equation is going to have only 2/5 because the problem said there was 2/5 of a ton left. You can also figure out that the equation should say 200-2/3x because the problem said that the conveyor belt removes 2/3 of a ton per minute. So, the equation should be...

200-2/3x=2/5, which is D.

Hope this helps c:

Answer: D

Step-by-step explanation:

The 2/3 is the rate and there is 2/5 leftover from the original 200 tons.

Find the midpoint of the line segment with the given endpoints (2,4), (1,-3)

Answers

Answer:

(7,0)

Step-by-step explanation:

Above is a table with missing terms. Come up with a possible common difference that makes sense and list the missing terms.

Answers

Answer:

common ratio:2 2. 18  3.36  4.72 equation: 4.5([tex]2^x[/tex])

Step-by-step explanation:

144=2*2*2*2*3*3    9=3*3

the common ratio would be 2

2. 9*2=18

3. 18*2=36

4. 36*2=72

(check) 72*2=144

0. 9/2=4.5

equation: 4.5([tex]2^x[/tex])

I NEED HELP PLEASE HELP ME OUT IF YOU CAN

Answers

Answer:

The answer is D

Step-by-step explanation:

R and A both have the one line thingy and s and b have both the 2 line thingies. so <BAC=<SRT

which expression would be easier to simplify if you used the associative property to change the grouping?

A. 6+[4/9+(-2/9)]
B. [(-0.2)+(-0.6)]+1.7
C. (2+5/2)+(-1/2)
D. (60+40)+(-27)

Answers

Answer:

It's D.

Step-by-step explanation:

Hope this helped. Have a wonderful day! Adios

Given the equation 4x + 2y = 10, find the value of y that
corresponds to a value of 3 for x.

Answers

Answer:

-1

Step-by-step explanation:

you already know the value of x is 3, so you just solve to figure out what y would be to equal 10

4(3) + 2(y) = 10

4(3) + 2(-1) = 10

What is the value of the expression below when y = 5?
10y + 6

I don’t understand this at all

Answers

Answer:

56

Step-by-step explanation:

10y+6

10(5)+6

10*5=50

50+6=56

Answer:

Basically, you need to plug 5 in as y

Step-by-step explanation:

First, plug 5 in the place of Y 10 * 5 + 6

Then solve the equation from there.

10 * 5 = 50

50 + 6 = 56

Which value is NOT equivalent to the others?

Answers

i need the answer choices ?

Suppose J is between H and K. Use the Segment Addition Postulate to solve for x. Then find the length of each segment. If HJ=x+10 JK=9x KH=14x−58 a) Draw a sketch of the segments described above b) Write an equaation using the segment addition postulate that will help you solve the problem ___+ ___= c) combine like terms ( x terms on one side of the equal sign and numbers in the other side of the equal sign) ____ = ____ d) x= __ HJ= __ JK= __ HK= __

Answers

Answer:

x= 17

HJ= 27

JK= 153

HK= 180

Step-by-step explanation:

If HJ=x+10

JK=9x

KH=14x−58

a) The diagram of sketch of the segments described above is attached to this answer.

b) KH = HJ + JK

14x - 58 = (x + 10) + 9x

14x - 58 = x + 10 + 9x

c)

14x - 58 = x + 10 + 9x

14x - 58 = 10x + 10

Collect like terms

14x - 10x = 10 + 58

4x = 68

Divide both sides by 4

4x/4 = 68/4

x = 17

d)

x= 17

HJ= x + 10

= 17 + 10

= 27

Hence, HJ = 27

JK= 9x

= 9 × 17

= 153

Hence, JK = 153

HK=14x −58

HK = 14 × 17 - 58

= 238 - 58

= 180

Hence, HK = 180

There are 160 students in 7th grade. The 7th grade is larger than the 8th grade by 24 students. Write an equation to calculate how many students are in the 8th grade and solve it.

Answers

Answer:

160-24=x

Step-by-step explanation:

who swims faster Sarah or Eva? WILL NAME BRAINIEST

Answers

Answer:

Eva swims faster than Sarah

Step-by-step explanation:

At first, they swim at different rates, but if you compare the last two (17/425 and 20/520) Eva swam the fastest.

Answer:

Sarah swims faster

Step-by-step explanation:

To get the answer, divide the time by the distance. 17/425 is greater than 20/520, so sarah swims faster

In isosceles triangle ABC, AD is altitude .Prove that angle B = angle C

Answers

more details need to be provided in order to answer the question.

1. Use the figure below to answer the questions.

(a) Solve for x.

Answers

Let's see what to do buddy...

_________________________________

The sum of the angles of each n-sided figure is found in the following equation :

[tex](n - 2) \times 180 [/tex]

The question's figure is 5-sindes figure

so the sum the angles equal :

[tex](5 - 2) \times 180 = 3 \times 180 = 540 \\ [/tex]

So we have :

[tex]90 + 107 + 144 + 138 + x = 54 0 \\ [/tex]

[tex]479 + x = 540[/tex]

Subtract the sides of the equation minus 479

[tex]x = 540 - 479[/tex]

[tex]x = 61[/tex]

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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