Mathematics High School

find the value of b
need help ​

Find The Value Of B Need Help

Answers

Answer 1

Answer:

b=35

Step-by-step explanation:

Diagonals of a parallelogram always bisect each other, splitting it into two equal sections.

This means, b-8 is equal to 2b-43

b-8 = 2b-43

b+35=2b

b=35

Let me know if this helps!

Related Questions

Reasons why each one of those don't belong​

Answers

Answer:

Because if you give the power of 2 to all of them you get a different number

1. 20 squared+ 21 squared = 841

Answer to number 1

1) 20+21 =41. Since 20^2+21^2 both have ^2 on top. The ^2 would stay the same. So that means the answer would be 41^2 for the first one which is why it is incorrect

2)Same for this. 4^2+5^2= 9^2


3)a^2+b^2 = ab^2 because since a and b are different letters/variables you cannot combine them therefore it is just ab.


4) (-1)^2 = 1 because -1 multiply by -1 again you would get positive 1. Next you do 1+0^2 = 1. Because 0^2 is just 0 because 0times 0 =0 so 1+0 = 1

eight less than a number isless than or equal to 10​

Answers

Answer:

8<x≤10

Step-by-step explanation:

Answer:

x-8≤10

x≤18

Step-by-step explanation:

x-8≤10

+8 +8

x≤18

Find the given trigonometric ratio in the problem below.

Answers

Answer:

tan c would be 20/21, and that can't be further simplified. tan is opposite/adjacent, so that's why it's 20/21.

solve the questions it is direct and indirect variations

Answers

Answer:

v = $312.5

Step-by-step explanation:

Let

Value of the gem stone = v

Weight of the gemstone = w

v = k * w²

Where,

k = constant of proportionality

w = 4 carat

v = $200

v = k * w²

200 = k * 4²

200 = k * 16

200 = 16k

k = 200/16

k = 12.5

Find v when w = 5 carat

v = k * w²

= 12.5 * 5²

= 12.5 * 25

= 312.5

v = $312.5

y=120w+200 y intercept

Answers

Answer:

w= - 5/3 + 1/120y, y eR

Step-by-step explanation:

y=120w + 200

Move the terms

-120w=200-y

Divide both sides

w= - 5/3 + 1/120y

Write in parametric form

w= - 5/3 + 1/120y, y eR


When a number increased by 4 is doubled, the result is the same as whe the number is increased by 20. Find the number
You MUST answer all of the questions below to get full credit. Please take
• Show your setup (how would it look on a Balanced Scale?)
• What does X equal?
• Check:

Answers

Answer:

X = 12

Step-by-step explanation:

When a number increased by 4

Let that number = x

x + 4

is doubled...

2(x + 4)

the result is the same

=

when the number is increased by 20

x + 20

Find the number

2 (x + 4) = x + 20

2x + 8 = x + 20

2x - x = 20 - 8

x = 12

What does X equal? X equals 12

Check:

Insert the x = 12 into the equation;

2 (x + 4) = x + 20

2 (12 + 4) = 12 + 20

2 (16) = 12 + 20

32 = 32

Which of the equations can be used to create the sequence below?



−1,−5,−25,−125,...

Answers

Answer:

the answe is Multiply by 5

Step-by-step explanation:

Well you didnt give any answer choices :/

-1*5= -5

-5*5= -25

-25*5= -125

etc

Hope this helped pls give brainliest

Help
Please
I
Don’t
Understand

Answers

Answer: -4x+5>-5=x>2.5

-25>-5(x+2.5)=x<2.5

Step-by-step explanation:

-4x+5>-5 -25>-5(x+2.5)

-5 -5 -25>-5x-12.5

-4x>-10 +12.5 +12.5

/-4 /-4 -12.5>-5x

x>2.5 /-5 /-5

2.5>x

x<2.5

Which fraction model best represents 3 2/6??

Answers

Answer:

A

Step-by-step explanation:

3x 2/6 is 1 and if you put all the shaded blocks together for A, you will get 1 whole

Lisa takes a loan for $ 5000 from the bank. Every month the bank charges her 1 % interest on the
money she owes and adds this amount to her outstanding balance. If Larissa never makes a
payment, how much will she owe the bank after 1.5 years?

Answers

Answer 900

Step-by-step explanation:1% of 5000 is 50 1.5 years is 18 months 50 times 18 is 900

Draw the graphs of the lines below on the same grid to find the coordinates of the point of
intersection.
y = x
y = 3x - 4

Answers

Answer:

(2,2) is the solution of the given lines.

Step-by-step explanation:

Given that,

y = x ..(1)

y = 3x-4 ...(2)

We need to find the coordinates of the point of intersection.

From equation (1) and (2).

x=3x-4

4 = 3x-x

4 = 2x

x = 2

Also,

y = 2

Hence, the coordinates of the point of  intersection is (2,2).

5) Write the slopes of a line parallel and perpendicular to the line y= -2/5x+6 (Hint: 2 answers) 1 What is current aradan​

Answers

Answer:

Step-by-step explanation:

Parallel: -2/5

Perpendicular: 5/2

2s + (-4s) simplify

Answers

Answer:

-2s

Step-by-step explanation:

Answer:

-2s

Step-by-step explanation:

We have: 2s + (-4s)

Take -4s outside of the parentheses and we now have: 2s - 4s

Now subtract and the simplified equation will be: -2s

Which equation represents a line that is a perpendicular bisector to the line joining the points A(3,-4) and B( 5 , -2)?
1. y +4 = -1(x -3)
2. y + 3 = -1(x - 4)
3. y -1 = 3(x - 4)
4. x + y = -1

Answers

Answer is third......

helpppppppppppppppppppppp meeeeeeeeeeeeeee

Answers

Answer: b

Step-by-step explanation: because five hunderedths is bigger than nine hundredthe which is not equal

please give me brainLYEST I really need it please give me I beg you

What is the measure of angle x? Show or explain how you know.

Answers

Answer:

65 degrees

Step-by-step explanation:

y is a right angle and a is 30 degrees. this means that the supplementary engle of x is 45 plus 70 which is 115. 180-115 = 65 degrees.

Which trigonometric ratio would you use to solve for the variable??

Answers

Answer:

Sin angle = opp/hyp

Cos angle = Adj/ hyp

Tan angle = opp/adj

The opp = the base of the triangle

The hyp = w

The adj = 125

Btw....

SOH CAH TOA

SOH = Sin ( Opposite ÷ Hypotenuse)

CAH = Cos ( Adjacent ÷ Hypotenuse)

TOA = Tan ( Opposite ÷ Adjacent)

Hope this helped!

Have a supercalifragilisticexpialidocious day!

The dimensions of a rectangular building used to store tools for electrical lineman has a length of 12x+24 feet and the width of 20x-10 feet.

1.Write the expression that represents the area of the building, in terms of x.
2. Write the expression that represents the perimeter of the building, in terms of x.
3. If the perimeter is going to be 220 feet, what are the dimensions of the building.

Answers

Answer:

a) Area = 2x² + 3x - 2

b) Perimeter = 64x + 28

c) Length = 60 feet and Width = 50 feet

Step-by-step explanation:

It is given that:

Length of building = 12x + 24

Width of building = 20x - 10

Area = Length * Width

Area = (12x + 24) * (20x - 10)

Area = 12x(20x - 10) +24(20x-10)

Area = [tex]240x^2-120x+480x-240[/tex]

Area = [tex]240x^2+360x-240 = 2x^2+3x-2[/tex]

Perimeter = 2 (Length + Width )

Perimeter = 2 (12x + 24 + 20x - 10 ) = 2 (32x +14 )

Perimeter = 64x + 28

Putting Perimeter = 220

220 = 64x + 28

64x = 220 - 28

64x = 192

Dividing both sides by 64

x = 3

Length = 12(3) + 24 = 36 + 24 = 60 feet

Width = 20(3) - 10 = 60 - 10 = 50 feet

Therefore,

a) Area = 2x² + 3x - 2

b) Perimeter = 64x + 28

c) Length = 60 feet and Width = 50 feet

a num

A retailer purchased a photocopy machine for Rs 1.60,000 from a dealer. Helshe

spent Rs 2,500 for transportation and Rs 1,500 for the local tax. If he/she sold it at
a profit of Rs 6,000 to a customer, how much did the customer pay for it with 13%
VAT?

b number

A supplier sold a machine levying 13% VAT on Rs 3,20,000 to a retailer. The

retailer spent Rs 10,000 for transportation and Rs 5,000 for the local tax. If the
retailer sold it at a profit of Rs 15,000 to a customer, how much did the customer
pay for the machine with 13% VAT?​

Answers

Answer:

answer is rs 192100ra 395500


Here is a list of numbers.
-45
-21
-16
12
33
40
a) Write down two numbers from the list that add up to -9

Answers

Answer:

33-40-45

Step-by-step explanation:

Carly walks 30 feet in seven seconds. At this rate, how many minutes will it take for Carly
to walk a mile if there are 5,280 feet in one mile? Round your answer to the nearest tenth
of a mile.

Answers

1232 minutes i think

(8.3)
(2,3)
Need help please

Answers

Answer:

AB = 6 units

Step-by-step explanation:

Given A(8, 3 ) and B(2, 3 )

Since the y- coordinates in both points are 3 then this is a horizontal line.

The length of AB is then the difference of the x- coordinates, that is

AB = 8 - 2 = 6 units

Help me plz???!!!!!?!?!?

Answers

Answer:

H

Step-by-step explanation:

use slope of -2/3 and point (-4.5, 10) as input into the slope-intercept form of a line, which is y = mx + b

10 = -2/3(-9/2) + b

10 = 3 + b

7 = b

y = -2/3x + 7

Timothy bought groceries two days during the week: • Timothy purchased $11.25 worth of groceries and paid $12.15 after taxes on Monday • Timothy paid $59.13 after taxes on a purchase of groceries that cost $54.75 on Friday Which equation models the relationship between the cost of groceries after taxes, and the cost of groceries before taxes?​

Answers

Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

Timothy purchased $11.25 worth of groceries and paid $12.15 after taxes on Monday.

We would solve this using direct proportion.

y = kx.

12.15 = 11.25k

k = 12.15 / 11.25

k = 1.08

Timothy paid $59.13 after taxes on a purchase of groceries that cost $54.75 on Friday.

y = kx.

59.13 = 54.75k

k = 59.13 / 54.75

k = 1.08

The equation that models the relationship will be:

y = 1.08x

Given: RST, RS = 15, ST = 20, and TR = 29
Which inequality correctly compares the measures of the angles of RST?

Answers

Answer:

can i see a picture?

0.027 x 0.008 what is the answer to that question

Answers

Answer:

the answer is around 0.000215 or 0.000216

Step-by-step explanation:

Hope this helps :D

Answer is
0.000216
Hope this help

during a fundraiser ms dowsons class raised $560 which is 25% more than mr caseys class raised. Mr caseys class raised how much money

Answers

Answer: It's 585 i read it wrong sorry

Step-by-step explanation:

Solve this system by Linear Combination (Elimination)
2.
2y = 4x + 18
-6x + 3y = 27
3

Answers

They result in the same equation

rewrite it:

2y = 4x +18

3y = 6x + 27

divide so that you have only y

y = 2x + 9

y = 2x + 9

On Monday, Jack and Jill walked from their home up a hill to get to the bus stop. They walked 4 yards every 3 seconds.

Write an equation to represent the distance, d, Jack and Jill walked over time, t

Answers

Answer:

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Step-by-step explanation:

f(x) = (3x − 2)(4x + 1) standard form

Answers

Step-by-step explanation:

f(x) = (3x - 2)(4x + 1)

= 12x² + 3x - 8x - 2

= 12x² - 5x -2

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