Mathematics High School

4y - 18 = 20
Y=
PLEASE HELP!!!!!!!

Answers

Answer 1

Answer:

y = 9.5 or 19/2

Step-by-step explanation:

4y - 18 = 20

Add 18 to both sides.

4y = 38

Divide by 4.

y = 9.5 or 19/2

Answer 2

Answer:

34

Step-by-step explanation:

4y-18=20

+18 +18

________

4y=38

/4

________

9.5

Related Questions

Write the ordered pair for the point.
5. D:
6. A:
7 C:

Answers

Answer:

D: (1, .5)

A: (-1.5,0)

C: (-1,-2.5

Step-by-step explanation:

I think I just woke up couple mins ago

Point D: ( 1, 0.5)

Point A: (-1.5, 0)

Point C: (-1, -2.5)

Hopefully, it correct. Mark me Brainiest, please.

1. Solve the compound inequality. You do not need to graph the solution.

Answers

Answer:

9 ≤ x ≤ 7

Step-by-step explanation:

2x – 3 ≤ 11 or –8x – 10 ≤ – 82

We shall determine the value of x in both case.

2x – 3 ≤ 11

Collect like terms

2x ≤ 11 + 3

2x ≤ 14

Divide both side by 2

x ≤ 14/2

x ≤ 7

–8x – 10 ≤ – 82

Collect like terms

–8x ≤ – 82 + 10

–8x ≤ – 72

Divide both side by –8

x ≤ – 72 / –8

x ≥ 9 (since we divided by a negative sign)

9 ≤ x

Combining both answers

x ≤ 7

9 ≤ x

Thus,

9 ≤ x ≤ 7

The perimeter of a rectangle is 90 feet, and the length is 32 feet. What is the width of the rectangle?
A. 26 feet
B. 13 feet
C. 58 feet
D. 15 feet

Answers

Length is 12ft, width is 4 ft.

2 x (length + width) = perimeter = 32 ft

⇒ length = 16ft - width [1]

length x width = area = 48 sq ft

Using [1] above:

⇒ (16ft - width) x width = 48 sq ft

multiplying out and rearranging:

⇒ width2 - 16 x width + 48 = 0

factorizing:

⇒ (width - 4)x(width - 12) = 0

Thus width = 4 or 12, so using [1] above:

⇒ width = 4ft, length = 16 - 4 = 12ft

or width = 12ft, length = 16 - 12 = 4ft

Convention is that the length is larger than the width, thus rectangle is 12ft long by 4 ft wide.

Answer:

15 ft

Step-by-step explanation:

i hope it right im not very sure :)

Which is greater 1/5, or 19%

Answers

Answer:

1/5 is 20% which means that it's greater than 19%

Step-by-step explanation:

Hope this helped :)

Point B: (14,4)Point A: (5,4)What is the difference between the x-coordinate of point A and the x-coordinate of point B?

Answers

Answer:

9

Step-by-step explanation:

14.4

-5.4

-------

9.0

The difference between the x-coordinate of point A and the x-coordinate of point B is -9

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Given the point B: (14,4) and Point A: (5,4).

The x coordinate of B is 14 while that of A is 5.

The difference between the x-coordinate of point A and the x-coordinate of point B = 5 - 14 = -9

Find out more on equation at: https://brainly.com/question/2972832

We can divide x^3 + x^2 + 3x – 4 by x^2 + 1 using synthetic division.
true or false?

Answers

False I think, I can’t exactly remember hop I’m right tho

An isosceles triangle is shown below.
80°
X
Which equation can be used to find the
measure of angle x?
F 360 - 80x = 180
G 360 - 80 - x = 180
H x + 2(80) = 180
J 2x + 80 = 180

Answers

Answer:

J is the perfect equation to solve for x because 2x represents the bases of an isosceles ∆

Answer:

Step-by-step explanation:

Hey guys. So I'm doing a basic program for a battle game in Javascript, and I've having trouble on this one question. (subtraction)

If I have one number like 20, then 3 numbers such as 2, 4 and 7, I could easily find out which number in those 3 i subtracted by. For example if I had 18 as the answer, then I could do 20 - 18 and get 2 from the 3 numbers.

But how do I do that twice? or three or more after that one time? how would I know which one I picked after? (after the number is used once, it can still be used forever on, it's always random)

Answers

Answer:

can i show you how to do it

Step-by-step explanation:

What is the value of tan x

Answers

Answer:

THE ANSWER HAS TO BE 6/10

Step-by-step explanation:

be careful there are people scamming on this app

Which of the following statements about this is true??

Answers

Answer:

lines tx and vs are perpendicular

Answer:

I think it is the 2 one don't blame me if I am wrong

What is order of operation?Explain.

Answers

Answer:The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Step-by-step explanation:Using PEMDAS which means (Parenthesis, Exponts, Mutliply, Divide, Add, and Subtract) The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Determine the coordinates of the vertices of the rectangle to compute the area of the rectangle using the distance formula (round to the nearest integer). A) 39 units2 B) 52 units2 C) 64 units2 D) 78 units2

Answers

Answer:

78

Step-by-step explanation:

I just got it right

The diameter of a circle is 19 m. What is the circumference of the circle? Use 3.14 for pi.

Answers

Answer:

D) 59.66 m

Step-by-step explanation:

circumference = 19π = 59.66 m

can someone check my answer? i got 600.

Answers

Answer:

Volume = 120 cubic cm

Step-by-step explanation:

We would apply the formula for determining the volume of a square bases pyramid which is expressed as

Volume = 1/3 x base area x height

From the diagram,

length of square base = 6 cm

The base area = 6^2 = 36

height = 10

Thus,

Volume = 1/3 x 3/6 x 10

Volume = 120 cubic cm

I hope this help you! :)

The diagram below shows some 1-inch cubes placed in a box.
5 in.
1 in.
4
in.
I
-8 in.
How many more 1-inch cubes are needed to completely fill the box?

Answers

Answer:

Step-by-step explanation:

pls help will give brainliest

Answers

Answer:

D

Step-by-step explanation:

Please help! I need answers for both questions it’s very confusing!

Answers

Answer:

for number 5 its:

-15 -8 8/9 -3.3

and for number 6 its:

-3.3 -8 8/9 and -15

also sorry if its wrong

When it seems the negative number get bigger, they’re actually getting smaller. For example -13 is greater than -20. Plus, the absolute value would always be positive.


The answer to number 1 would be:

-15 < -8 8/9 < -3.3


The answer to number 2 would be:


15 < -3.3 < -8 8/9



I hope this helped, and have an awesome day! <3

Factor.
11x2+35x+6
Enter your answer in the box.

Answers

Answer:

[tex]\displaystyle [x + 3][11x + 2][/tex]

Step-by-step explanation:

[tex]\displaystyle 11x^2 + 35x + 6 \\ [11x^2 + 2x] + [33x + 6] \\ x[11x + 2]\:\:\:\:\:3[11x + 2] \\ \\ \boxed{[x + 3][11x + 2]}[/tex]

I am joyous to assist you at any time.

Answer: i took the test

Step-by-step explanation:

2.)
Solve for x.

-3x + 6 = 2x - 24

A) -30
B) -6
C) 6
D) 30

Need help now! Please and thank you!

Answers

Answer:

c- 6 Jwjwjwhwhwg Sorry I have to reach the number limit of 20 words

Answer:

C.6

Step-by-step explanation:

Hope this helped

I need help with ixl t.2 (sixth-grade math)

Answers

Sure. I could help you what do you need

Help me please! Will mark brainlist!

Answers

Answer:

B...................

The total value of an investment was $305.33 after $240 was invested for 10 years compounded monthly. Find the interest interest rate.

Answers

Answer:

Interest rate = 2.41%

Step-by-step explanation:

The total value of an investment was $305.33 after $240 was invested for 10 years compounded monthly. Find the interest rate.

The formula to calculate the Interest rate for a Compound Interest is given as:

Solving for rate r as a decimal

r = n[(A/P)^1/nt - 1]

r = 12 × [(305.33/240.00)^1/(12)(10) - 1]

r = 0.0240996

Then convert r to R as a percentage

R = r * 100

R = 0.0240996 * 100

R = 2.41%/year

Therefore, the Interest rate = 2.41%

Jillian wants to figure out how much water will fit inside the water tower that is by her house. So she wants to find the volume of the water tower. True or false?

Answers

Answer:

I'm going to say true because that's the most logical answer

Step-by-step explanation:

true is the answer Hope it helps you

All of my points to these "simple" questions

Answers

Answer:

x = 66°

∠MON = 57°

x = 13°

Step-by-step explanation:

To tired to explain, just take my word for it...

Answer:

1.

X=66

2.

57

3.

13

Step-by-step explanation:

Good luck .

If y varies directly with x according to the relationship y = kx, and y = 7.5 when x = 2.5, determine the constant of variation k.

Answers

Answer:5

Step-by-step explanation:

Can someone plz help me with this?

Answers

Answer:

rule multiply by 3 each time

What is the area, in square inches, of the shaded part of the rectangle below?

Answers

Answer:35

Step-by-step explanation:

Kieth has landscaping bricks that are 0.75 feet long. Kieth puts 19 bricks end to end along a sidewalk. What is the total length of all thee red bricks he uses. Enter your answer in the box

Answers

Answer: 14.25 ft

Step-by-step explanation:

Assuming all the bricks used are red:

Keith puts 19 bricks end to end along a sidewalk and each one of those bricks is 0.75 ft long.

When put end to end therefore, the total length will be that length multiplied by the number of bricks laid:

Total length = Number of bricks laid * Length of each brick

= 19 * 0.75

= 14.25 ft

You go to Kohl's to purchase retro jordan shoes for $74.99. Kohl's is offering in-store discount at 30%. You Kohl's dollar coupon for another 20% off. What is the price of the shoes before tax?​

Answers

Answer:

41.99

Step-by-step explanation:

74.99*(100%-30%)

52.493

52.493(100%-20%)

41.99

Addison ran 5000 meters from the cops and an average speed of 8 meters/second before he got caught. How long did he run?

Answers

Answer:

625 seconds. Or 10.4 minutes

Step-by-step explanation:

Well 5000÷8 is 625

Hope this helps

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