Solve for X.



A.
B.
C.
D.

Solve For X. A. B. C. D.

Answers

Answer 1

Answer:

A. 3

Step-by-step explanation:

3x+137+2x+28 = 180

5x + 165 = 180

5x = 15

x = 3


Related Questions

can you multiply whole number by a number with a variable?

Answers

Answer: Definitely Yes.

Step-by-step explanation:

Answer: YES, YOU CAN

Step-by-step explanation:

Factor the trinomial.
x² - 2- 8

Answers

The answer is (x-4)(x+2) because you have to look for 2 numbers that multiply to -8 (c) and 2 numbers that add up to -2

So you can use that for standard form
ax^2+bx+c=0

Need help with this only 25 minutes

Answers

-31.25  +  19.70

explanation:

change in account = withdraw amount + amount deposited

change in account:

-31.25  +  19.70

note: withdrawal will be negative and deposited positive

PLEASE HELP
Which term represents the stage when the cytoplasm of a cell divides?

Cytokinesis
Interphase
Mitosis
Prophase

Answers

Answer: Cytokinesis

Step-by-step explanation:

Hope this helped :)

Answer:

Try Cytokinesis

Step-by-step explanation:

This might help!

help pls? show work!!

Answers

Answer:

x = 19; y = 19√3

Step-by-step explanation:

sin 30° = opp/hyp

sin 30° = x/38

x = 38 × sin 30°

x = 19

cos 30° = adj/hyp

cos 30° = y/38

y = 38 × cos 30°

y = 38 × √3/2

y = 19√3

How do you graph the function y=1/5x+4

Answers

You substitute x or y values and then plot the solution point that you find. You should plot at least three solution points. For example, here is a solution table that can be used to graph this function.

x | y

___

5 | 5

10 | 6

15 | 7

If the perimeter in the rectangle.is 18 inches, find the length of the sideshow

Answers

Answer:

5 inches and 4 inches

Step-by-step explanation:

The perimeter is equal to 2(2x + 1) + 2(x + 2) since there are two sides of the rectangle equal to the expressions given.

Since we also know that the perimeter is 18 inches, we can set that equal to 18.

2(2x + 1) + 2(x + 2) = 18

4x + 2 + 2x + 4 = 18

6x + 6 = 18

6x = 12

x = 2

After plugging 2 back into 2x + 1 and x + 2, you get 5 and 4. Hope this helped!

Twice the sum of a number and 7

Answers

Answer:

2 · (n + 7)

Step-by-step explanation:

The sum of a number n and 7 → n + 7

Twice the sum of a number n and 7 → 2 · (n + 7)

1/8 expressed as a percentage is

Answers

Answer:

The answer is 12.5%

Step-by-step explanation:

Hope this helped!

Answer:

12.5%

Step-by-step explanation:

Divide 1 by . Therefore, the fraction 18 is equivalent to 12.5% .

You have 12 coins. Some quarters and dimes. You have a total of $2.40, how many of each coin do you have?

Answers

Answer:

8 quarters and 4 dimes

Step-by-step explanation:

4 quarters = 1 dollars

4 quarters = 1 dollars

4 dimes = 40 cents

2.40$

Answers:8 quarters4 dimes

============================================

Work Shown:

d = number of dimes

q = number of quarters

1 dime = 10 cents

d dimes = 10d cents

1 quarter = 25 cents

q quarters = 25q cents

d+q = 12 since we have 12 coins total

q = -d+12 after solving for q

10d+25q = total value in cents

10d+25q = 240

10d+25(-d+12) = 240 ... plug in q = -d+12

10d-25d+300 = 240

-15d+300 = 240

-15d = 240-300

-15d = -60

d = -60/(-15)

d = 4

q = -d+12

q = -4+12

q = 8

Since d = 4 and q = 8, this means we have 4 dimes and 8 quarters

-----------------------------

Check:

4 dimes = 4*10 = 40 cents

8 quarters = 8*25 = 200 cents

(4 dimes) + (8 quarters) = (40 cents) + (200 cents) = 240 cents

240 cents = 240/100 = $2.40

We have 4+8 = 12 coins total

The answers are confirmed

A triangle has an area of 66 in2. If the base is 11 inches, what is the height?

Answers

Answer:

[tex] \Large{\boxed{\sf Height = 12 \ in}} [/tex]

[tex] \\ [/tex]

Explanation:

The area of a triangle is given by the following formula:

[tex] \\ [/tex]

[tex] \left[ \begin{array}{c c c} \underline{\tt Area \ of \ a \ triangle \text{:}} \\ ~ \\ \tt A = \dfrac{B \cdot H}{2} \end{array} \right] [/tex]

Where:

A is the area of the triangle.B is the base.H is the height.

[tex] \\ [/tex]

[tex] \Large{\boxed{\sf Given \text{:} } \ \begin{cases} \sf A &=\sf 66 \ in^2 \\ \sf B &=\sf 11 \ in \end{cases} } [/tex]

[tex] \\ [/tex]

Substitute these values into the formula and solve for H.

[tex] \sf A = \dfrac{B \cdot H}{2} \\ \\ \\ \longrightarrow \sf 66 \ in^2 = \dfrac{11 \ in \cdot H}{2} [/tex]

[tex] \\ [/tex]

Multiply both sides by 2:

[tex] \longrightarrow \sf 66 \ in^2 \cdot 2 = \dfrac{11 \ in \cdot H}{2} \cdot 2 \\ \\ \\ \longrightarrow \sf 132 \ in^2 = 11 \ in \cdot H [/tex]

[tex] \\ [/tex]

Divide both sides by 11in :

[tex] \longrightarrow \sf \dfrac{132 \ in^2 }{11 \ in } = H \\ \\ \\ \longrightarrow \boxed{\boxed{\sf H = 12 \ in}} [/tex]

[tex] \\ [/tex]

[tex] \hrulfill [/tex]

[tex] \\ [/tex]

▪️Learn more about the area of a triangle here:

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AREA OF A TRIANGLE

A triangle has an area of 66 in². If the base is 11 inches, what is the height?

Answer:

The height of the triangle is 12 inches.

Step-by-step explanation:

As per the provided information in the given problem, we know that the area of a triangle is given by 66 inches². The base of the triangle is given by 11 inches. In this problem, we are tasked to find the height of the triangle.

To do this, we will use the formula below:

[tex]\Large\begin{aligned}\rm\qquad\dashrightarrow{Area_{(Triangle)} = \dfrac{1}{2}bh}\end{aligned}[/tex]

Where:

The base is denoted as b.The height is denoted as h.

Substitute the given values into the formula given earlier and solve for h:

[tex]\Large\begin{aligned}\rm\dashrightarrow{Area_{(Triangle)}}& = \rm{\dfrac{1}{2}bh}\\\rm\dashrightarrow{66\: in^2}& = \rm{0.5(11\: in)(h)} \\\rm\dashrightarrow{66\: in^2}& = \rm{(5.5\: in)(h)} \\\rm\dashrightarrow{\dfrac{66\: in^{\cancel{2}}}{5.5\: \cancel{in}}}& = \rm{\dfrac{(\cancel{5.5\: in})(h)}{\cancel{5.5\: in}}} \\\rm\dashrightarrow{12\: in}& = \rm{h}\end{aligned}[/tex]

Hence, the height of the triangle is 12 inches.

▪ Learn more about area of a triangle here:

»https://brainly.com/question/26039949

»https://brainly.com/question/12534797

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»https://brainly.com/question/29133099

٩(。・ω・。)و

Last year, 15 dogs entered the local dog show. This year, 20 entered. What is the percent increase?

Answers

Answer: 0.75?

Step-by-step explanation:

This might be wrong but, you cross multiply and then divid by one hundred.

5         x.             100x    75 / 100

100.   15

Answer:

the answer is 33 1/3%

Step-by-step explanation:

I took the test

As part of a science experiment, Sam recorded the four values shown in the table, but one of them got smudged on his paper. He remembers that the sum of the trials was −1. What was the value that was smudged?
Trials
−9
12
(smudged)
−8

A) 2

B) −2

C) −4

D) 4

Answers

Answer:

C

Step-by-step explanation:

ok so sam started with 0 and got -9 then he got 12 then the next known number is -8 so those three numbers together are -5 and the end result was -1 so -1 minus -5 is -4 therefore the anser is C

Which number line represents the solution set for the inequality 3x < -9?

Answers

Answer:

i think 5 might be the correct answer

Step-by-step explanation:

Answer:

the third option or c

Step-by-step explanation:

hope this helps!

WILL GET MARKED BRAINLIEST FOR BEST ANSWER

Come up with an example of a game other than chess that uses the concept coordinate plane. Explain how the game uses a coordinate plane.

Answers

Answer:

Draughts

Step-by-step explanation:

It still counts



A block measures 8 cm x 5 cm x 4 cm. On which face will it exert the least pressure? Explain how you know.

Answers

Answer 4 cm because least

Step-by-step explanation:

because it is the leats so that is ir.

In the picture at right, lines l and m are parallel. The measure of angle

Answers

Answer:

Angle APB is 95∘

Step-by-step explanation:

180 - 54 = 126

126 - 31 = 95

Answer:

145 Degree

Step-by-step explanation:

it is a reflex angle and all reflex angle measures at 145 Degrees

A net has a square at the center and 4 triangles on the sides. The square has side lengths of 2 yards. The triangles have a base of 2 yards and height of 3 yards.
What is the surface area of the square pyramid?

The surface area is
yd2.

Answers

Answer:

16 yd²

Step-by-step explanation:

The total surface area is the sum of the area of the square base and the 4 triangular sides.

SA = s² + 4 × bh/2

SA = (2 yd)² + 4 × (2 yd)(3 yd)/2

SA = 4 yd² + 12 yd²

SA = 16 yd²

Answer:

16

Step-by-step explanation:

A rectangular prism has a length of 412 centimeters, a width of 412 centimeters, and a height of 6 centimeters. Sally has a storage container for the prism that has a volume of 143 cubic centimeters.



What is the difference between the volume of the prism and the volume of the storage container?



Enter your answer in the box as a simplified mixed number or a decimal.


cm³

Answers

Answer: First find the volume of the rectangle prism. Do this by multiplying all three dimensions. 412 x 412 x 6 = 1,018,464.

Subtract 1,018,464 from 143.

You should get 1,018,321 mm^3

(Remember that the units are cubed because you multipled 412 mm x 412 mm x 6 mm which is multiplying not only the numbers, but the mm three times as well.)

Step-by-step explanation: hope it's helpful and thank you for letting me answer

How do signs of factors affect their product?

Answers

If a negative number is multiplied with a positive number, the result will be negative. If two positive numbers are multiplied, the result will be positive. If two negative numbers are multiplied, the result will also be positive.

Answer:

If a negative number is multiplied with a positive number, the result will be negative. If two positive numbers are multiplied, the result will be positive. If two negative numbers are multiplied, the result will also be positive.

Step-by-step explanation:

Solve for r in terms of q, s, and t
T=r-q+s
R=

Answers

Answer:

r = t + q - s

Step-by-step explanation:

t = r - q + s

goal is to isolate the variable

add q to both sides (this cancels the q out on the right side)

t + q = r - q + q + s

t + q = r + s

subtract s from both sides

t + q - s = r + s - s

t + q - s = r

In other words:

r = t + q - s

Regina currently makes $15 an hour. Her boss decided to give her a 7% raise. Write the expression she would use to determine how much more she will make per hour.

Answers

Answer:

[tex]\frac{7\times15}{100}[/tex]

Step-by-step explanation:

Given the following question:

7% of 15

To find the answer we need to use the formula to calculate percentages in which we multiply the percentage by the whole number and then divide that answer by 100, of course rounding to the nearest cent if needed.

[tex]\frac{p\times n}{100}[/tex]
[tex]\frac{7\times15}{100}[/tex]
[tex]7\times15=105[/tex]
[tex]105\div=1.05[/tex]
[tex]=1.05[/tex]

7% of 15 is "1.05" which means Regina receives a $1.05 raise.

Hope this helps.

pls answer this correctly I need it now!​

Answers

Answer:

1. C

2. B

3. D

4. A

Step-by-step explanation:

1. As mentioned in the last sentence of the passage, the main goal of the problem is to figure out how long it took John to get ready.

2/3/4. The goal is to find the amount of time John took to get ready and to obtain that time you need to use 6:10-5:30=n. After solving the number sentence, you should get 40 minutes.

In which number is the digit 8 ten times larger than it is in the number 18?

Answers

Answer:

387 contains 80 and 8 x 10 = 80

mrs. hughes has 1/4 of a pan of spaghetti left over. She brought it to school and the 6 fifth grade teachers shred it what fraction of the pan of spaghetti did each teacher get?

Answers

1/4 / 6 =
1/4 x 1/6 = 1/24

Each teacher got 1/24 spaghetti left over.

What the answer to number 3 is

Answers

Answer:

is proof an option?

Step-by-step explanation:

About 20% of earths fresh water is stored in cracks and pores as _______.

Answers

Answer:

groundwater

Step-by-step explanation:

BRAINLIEST AND 100 POINTS, I NEED THIS ANSWER IMMEDIATLY.
Please, tell me the answer, AND what to shade.

Answers

Answer:

10 centimeters = 0.1 meters

Step-by-step explanation:

Question  

How many meters are in 10 centimeters?

There are 100 centimeters in 1 meter.

Therefore, 1 centimeter = 1 ÷ 100 meters

                                       = 0.01 meters

So if 1 centimeter = 0.01 meters

Then 10 centimeters = 0.01 × 10 = 0.1 meters

Select Not independent or Independent for each situation.

- A jar contains green marbles and orange marbles. A green marble is selected followed by an orange marble, at random, without replacement.

- A coin is flipped three times.

- A bag contains nickels and dimes. A nickel is selected followed by a dime, at random, with replacement.

- A number cube is rolled twice.

Answers

     "Not independent" means that the situation is dependent. It is not relying on something else, or something else will not change the outcome. Independent means the situation is isolated, it is independent.

A jar contains green marbles and orange marbles. A green marble is selected followed by an orange marble, at random, without replacement.

Not independent

-> Since the marbles are not being replaced, this isn't independent

A coin is flipped three times.

Independent

A bag contains nickels and dimes. A nickel is selected followed by a dime, at random, with replacement.

Independent

-> Because there is replacement, this is independent

A number cube is rolled twice.

Independent

Joy decided to ride her bike to visit her friend, Three miles from home her bike got a flat tire and she had to walk the remaining two miles to Justin's home. She could not repair the tire and had to walk all the way home. How many miles did Joy walk than she rode? They got the answer 4 but I am not sure how?

Answers

Answer:

4

Step-by-step explanation:

okay, so she rode 3 miles. Keep that aside

Then she had 2 walk the remaining 2 miles

She had to walk all the way home. So say for example instead of riding she walked 3 miles, then she walked that additional 2 miles. So, 5 miles. Then add the two miles she had to walk to his house. so, she walked 7 miles and rode 3 miles. 7-3= 4 miles. I attached a picture that should hopefully explain it better.

Hope this helps!

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