Please help! Chapter test tomorrow!!
PLEASE i need to show the work, the equations.

Please Help! Chapter Test Tomorrow!!PLEASE I Need To Show The Work, The Equations.

Answers

Answer 1

Answer:

x=6

Step-by-step explanation:

4x-15=2x-3

+15 +15

4x=2x=12

/2 /2 +12

2x=12

/2 /2

x=6

Answer 2

Answer:

#1:

[tex]4x - 15 + 2x + 3 = 48\\\\2x + 18 = 48\\\\2x = 30\\\\x = 15[/tex]

#2:

Part 1: Solve for x

[tex]6x - 7 = 5x + 1\\\\x - 7 = 1\\\\x = 8[/tex]

Part 2: Plug in x for PQ

[tex]6(8) - 7\\\\48 - 7\\\\41[/tex]

The length of segment PQ is 41.

Part 3: Plug in x for QR

[tex]5(8) + 1\\\\40 + 1\\\\41[/tex]

The length of segment QR is 41.

Part 4: Length of PQ + length of QR = length of PR

PQ + QR = PR

41 + 41 = PR

82 = PR

The length of segment PR is 82.


Related Questions


A line passes through the point (-9,8) and has a slope of
-4/3
Write an equation in slope-intercept form for this line.

Answers

Answer:

y = -4/3x - 4

Step-by-step explanation:

Given

(x1,y1) = (-9,8)

slope, m = -4/3

Required

Determine the line equation

The equation is of the form

y - y1 = m(x - x1)

Substitute values for y1, x1 and m

y - 8 = -4/3(x - (-9))

y - 8 = -4/3(x + 9)

y - 8 = -4/3x - 12

y = -4/3x - 12 + 8

y = -4/3x - 4

2m^2 + 5m + 16 = 8
Solutions: ____
Show work:
Step 1: Equation to complete the square
Step 2: Show work here to find the c-value.
Step 3: Show work here to factor: (Don’t forget the sign of the binomial)
Step 4: Show work for solving for both roots.

Answers

Answer:

there is no solution for this equation

what is the answer to 1+1

Answers

Answer:

the answer to 1+1 is 2

:) lol

Answer:

2

Step-by-step explanation:

the next model of a sports car will cost 6.8% less than the current model. the current model costs $42,000. how much will the price decrease in dollars? what will be the price of the next model?

Answers

Answer:

see below

Step-by-step explanation:

the current model costs $42,000.

next model = 6.8% less than $42,000

find;

1. how much will the price decrease in dollars?

2. what will be the price of the next model?

solution:

1. the price decrease = $42,000 x 0.068

                               = $2,856

2. price of next model = $42,000 - $2,856

                                = $39,144

melody won 8 tokens. Trish won 2 more than 5 times as many tokens as melody. What computation will give the number of tokens Trisha won?​

Answers

Answer:

8^5 + 2 = Trisha's Tokens

Step-by-step explanation:

Answer:

42

Step-by-step explanation:

8 x 5 +2

What is the value of (4 minus 2) cubed minus 3 times 4?

Negative 20
Negative 4
4
20

Answers

Answer:

yes the last person is correct

Step-by-step explanation:

What is 86,503 when written in expanded form

Answers

Answer:

80,000 + 6,000 + 500 + 3

Step-by-step explanation:

Expand so that all non-zero digits are by itself. Remember to retain it's place value:

86503 = 80,000 + 6,000 + 500 + 3

~

The sum of 48 and itself, its half and half of the half is added to 18.​

Answers

Answer:

150

Step-by-step explanation:

This is a word problem which should be tackled accordingly.

The sum of 48 and itself

= 48+48

= 96

It's half and half of its half

= 48/2 and (48/2)/2

= 24+ 24/2

= 24+12

= 36

Is added to 18

= 96+36+18

= 150

From the description above the entire sum is 150.

Two construction contracts are to be randomly assigned to one or more of three firms: I, II, and III. Any firm may receive both contracts. Each contract will yield a profit of $90,000. Assume that firms I and II are actually owned by the same individual. Find the probability distribution of X, the owner's total profit.

Answers

Answer:

The owner's total profit is $120,000.

Step-by-step explanation:

Assume that:

X = contract is assigned to firm 1

X = contract is assigned to firm 2

The sample space for assigning the two contracts is:

S = {(I, I), (I, II), (I, III), (II, I), (II, II), (II, III), (III, I), (III, II) and (III, III)}

There are total of 9 possible combinations.

So, the probability of selecting any of the combination is, 1/9.

Compute the probability distribution of X₁ and X as follows:

X₁      P (X₁)                      X₂        P (X₂)

0        4/9                        0           4/9

1         4/9                        1            4/9

2         1/9                        2           1/9

Compute the expected values of X₁ and X as follows:

[tex]E(X_{1})=\sum X_{1}\cdot P(X_{1})\\\\=(0\times\frac{4}{9})+(1\times\frac{4}{9})+(2\times\frac{1}{9})\\\\=\frac{6}{9}\\\\=\frac{2}{3}[/tex]               [tex]E(X_{2})=\sum X_{2}\cdot P(X_{2})\\\\=(0\times\frac{4}{9})+(1\times\frac{4}{9})+(2\times\frac{1}{9})\\\\=\frac{6}{9}\\\\=\frac{2}{3}[/tex]

It is provided that each contract will yield a profit of $90,000.

Compute the owner's total profit as follows:

[tex]\text{Total Profit}=\text{Profit}\times [E(X_{1})+E(X_{2})][/tex]

                   [tex]=90000\times[\frac{2}{3}+\frac{2}{3}]\\\\=120000[/tex]

Thus, the owner's total profit is $120,000.

How many days are in 5 years? Correct answer gets brainliest. 2 possible answers

Answers

Answer:

1826.21099

Step-by-step explanation:

Answer: 1825 days.

Step-by-step explanation: 365x5=1825

Please help!!!
thanks

Answers

Answer:

11. 92- corresponding angles theorem

12. 92- vertical angles theorem

13. 88- ???

14. 106- same side interior angles theorem

15. 106- supplementary angles theorem (not sure about the reasoning)

16. 106- supplementary angles theorem (not sure about the reasoning)

6 - 8x = 6x - 9x + 11

Answers

6-8x=-3x+11

-8x+3x=11-6

-5x=5

x=-1

The first step is to isolate the variable, then you solve. Hope this helps, brainliest if you can.

Answer:

hi

Step-by-step explanation:

hi i am a gamergirl add me in fortnite xxgamergilxx93_qt

choose the ratio that is equivalent to this one 1/7 A. 3/21 B. 14/2 C. 4/11 D. 3/14​

Answers

Answer:
3/21

Explanation:
1/7•3= 3/21

Answer:

Step-by-step explanation:

A

Find the area of a rectangle with length of 80 inches and width of 17 inches.

Answers

Answer:

                                 

Step-by-step explanation:

Answer:

length times width

Step-by-step explanation:

80 time 17~

The qoutient of 9 3/4 and 5/8?

Answers

Answer:

do you mean 9 3/4 divided by 5/8, if so, it gives you 78/5

Step-by-step explanation:

answer:

it is 15 3/5

your welcome

what ratio is lesa than 7/15​

Answers

Answer:

2/5=6/15 and that is less so....

Step-by-step explanation:

A basket can hold 30 apples. Max has 16 apples. He plans to buy 6 more. Each apple costs $1. After he buys the new ones, how many more apples will the basket hold? The basket can hold more apples after Max buys more.​

Answers

Answer:

He can buy 8 more apples because 16+6=22-30=8

Step-by-step explanation:

Hope it helps :)

Have a good day/night

Brainliest pls?

7th grade math help me plzzz

Answers

Answer:

11.a) is 15+5.50+3 maybe

11.b) is $3.50 because 15-12=3 3+5.50=8.50 8.50+3=11.50 11.50-8=3.50

For a certain type of sand, 1 cubic foot weighs 80 pounds. The sand goes in a container that weighs 40 pounds. Use the Ray tool to make a graph that shows the total weight of the container and sand, w, filled with n cubic feet of this sand. I need the coordinates for the graph please.

Answers

Answer:

First, let's write our equation in a general way.

We know that:

1 cubic foot weighs 80 pounds.

The container weighs 40 pounds.

Then, if i put n cubic feet of sand in the container, the total mass will be one time the mass of the container plus n times the mass of one cubic foot of sand.

We can write this as:

w(n) = 40lb + n*80lb

This is a linear equation, where the y-axis will represent the mass in pounds and the x-axis will be the number of cubic feet of sand in the container in units, a graph of this is shown below.

You can see that it is really steep, this is because for really small increments in n, the weight increases a lot.

Answer

ok, Just plot the points at (0,40) and (2,200) :))

PRACTICE ANOTHER Is 4a a factor of 2a · 38b? (Assume that a and b represent integers.) Yes, because 4 is a multiple of 38. Yes, because 2a · 38b = 4a · 19b where 4a and 19b are integers because a and b are integers and products of integers are integers. Yes, because 4a is a divisor of 38b. No, because 38 is not a divisor of 4. No, because 2a · 38b = 4a · 19b where 4a and 19b are not necessarily integers because products of integers are not always integers.

Answers

Answer:

Yes, [tex]2a . 38b = 4a . 19b[/tex]

Step-by-step explanation:

Given

[tex]Expression: 2a.38b[/tex]

Required

Is 4a a factor of the expression?

Analyzing each option.

1.

[tex]2a . 38b = 4a . 19b[/tex]

[tex]76ab = 76ab[/tex]

The above expression is true.

Hence: This option answers the question

What number is between 0.3 and 7.5

Answers

Answer:

3.9?

Step-by-step explanation:

It should be 3.9 but don’t get mad if I’m wrong

Find the length of the segment...

NEED HELP FOR A TEST tomorrow

Answers

Answer:

The length of the segment is 5

There are 3 cats in the room and no other creatures. Each cat has 2 ears, 4 paws, and 1 tail.

Answers

Answer:

ok soooo whats the question like bruhhhhhh i here to anwser now tell me the question

Step-by-step explanation:

match the angle with it's corresponding classification​

Answers

Answer:

∠TPR = right angle

∠SPQ = acute angle

∠QPT = obtuse angle

Step-by-step explanation:

Right angles are 90°, acute angles are angles less than 90°, obtuse angles are angles more than 90°

Find the value of x.

Please help!!​

Answers

X is equal to 5. Hope this helps and have a good day. Also, A Brainliest would be much appreciated

Answer:

5

Step-by-step explanation:

Use the Exterior Angle Theorem.

The E.A.T states that the measurement of an exterior angle is found by adding the two opposite and non-adjacent interior angles.

In this case, the Exterior Angle is 121. The sum can be found by combining 17x - 4 and 8x. Set the equation:

17x - 4 + 8x = 121

First, combine like terms:

17x + 8x - 4 = 121

(17x + 8x) - 4 = 121

(25x) - 4 = 121

Next, Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, add 4 to both sides of the equation:

25x - 4 (+4) = 121 (+4)

25x = 121 + 4

25x = 125

Next, divide 25 from both sides:

(25x)/25 = (125)/25

x = 125/25

x = 5

5 is your value for x.

~

What is y+1 = 4(x - 1) in slope-intercept form?

A. y+ 1 = 4x - 4
B. -4x+y=5
C. y = 4x-5
D. 4x- y=-5

Answers

would be y=4x-5

steps are

multiply 4 by everything in parentheses

y + 1 = 4x - 4

subtract 1 from both sides

y = 4x -5

Answer:

C. y = 4x-5

Step-by-step explanation:

Slope-intercept form : y=mx+b

[tex]y+1 = 4(x - 1)[/tex]

Expand :

[tex]4(x-1) =4x -4\\\\y+1 =4x-4[/tex]

Collect like terms and simplify

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

evaluate. express your answer in simplest form. 7/9 - 2/8 x 4/9
A 20/9
B 5/9
C 2/3
D 48/72

Answers

Answer:

2/3

Step-by-step explanation:

[tex] \frac{7}{9} - \frac{2}{8} \times \frac{4}{9} \\after \: simlifying \\ \frac{7}{9} - \frac{1}{9} = \frac{6}{9} = \frac{2}{3} [/tex]

Shirley is drawing triangles that have the same area. The base of each
triangle varies inversely with the height. What are the possible base
and height of a second triangle if the first triangle's base is 12 and its
height is 8?
Select one:
a. 120 and 80
b. 10 and 10
c. 60 and 36
d. 16 and 6

Answers

Answer:

d. 16 and 6

Step-by-step explanation:

Triangle area = (base × height)/2

A = (8 × 12)/2 = 96/2 = 48

A = (16 × 6)/2 = 96/2 = 48

Jade used 3/4
yard of fabric to make a scart. Can she make 2 of these scarves with 1 4/5 yards of fabric, and why?

Answers

Answer:

Yes she can

Step-by-step explanation:

3/4 = 0.75

1 4/5= 1.8

0.75 x 2 = 1.5 which is less that 1.8 so she can

...................................

Answers

Answer:

What? lol

Step-by-step explanation:

Answer:

........................?

Step-by-step explanation:

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