Evaluate (18)^2-(15)^2.
Please show working

Answers

Answer 1
18^2-15^2
=324-225
99
Answer 2

• Answer:

99

• Step-by-step explanation:

Hi there !

use formula a² - b² = (a-b)(a+b)

18² - 15² =

= (18 - 15)(18 + 15)

= 3×33

= 99

Good luck !


Related Questions

which multiplication expression is equal to 5/6 divided by 1/2?

Answers

Answer:

5/6 * 2/1

Step-by-step explanation:

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Answer:

No

Step-by-step explanation:

I solved it and it didn't get 1 for any of them

Help me solve this inequality!

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what inequality it does not show anything

You are planning a road trip and you are preparing the songs you will be listening on the Road. You start by downloading 5 songs for $7.50 on one day and 8 songs for $12 the following day.
How much do 2 songs cost?

Answers

Answer:

$3.00

Step-by-step explanation:

7.50/5 = 1.5

12/8 = 1.5

Since each song costs $1.50 each, multiply the cost by the number of songs.

1.50(2) = 3

$3.00

In fig if x+y=w+z then prove that AOB is a line.​

Answers

Answer:

As Given, x+y=w+z

To Prove: AOB is a line or x+y=180

(linear pair.)

According to the question,

x+y+w+z=360

∣ Angles around a point.

(x+y)+(w+z)=360

(x+y)+(x+y)=360

∣ Given x+y=w+z

2(x+y)=360

(x+y)=180

Hence, x+y makes a linear pair.

Therefore, AOB is a straight line

BRAINLIEST ANSWER! I need help

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The equation would be 6(x+15)
The answer would be -22

A school has 500 students and 25 teachers. Which of these statements is true based on this information?

Answers

Answer:

A school has 500 students and 25 teachers

Step-by-step explanation:

If you’re looking for a ratio it’s 20:1 with the 20 being students

What is (8x+5) - (x+4) in simplest terms

Answers

Answer:

7x+1

Step-by-step explanation:

Answer:

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Step-by-step explanation:

Can someone please tell me the color of the pattern please

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The next one would be that teal color (circle) and then the square would be purple

Can somebody please tell me what 1 1/3+(−5/6) is??

Answers

Answer:

1/2

Step-by-step explanation:

Hi there !

1  1/3 + (-5/6) =

= (1*3+1)/3 - 5/6

= ²⁾4/3 - 5/6

= 8/6 - 5/6

= (8 - 5)/6

= 3/6

= 1/2

Good luck !

1+1 is what??? Plz answer

Answers

Answer:

2

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Common Sense

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(x-2) = (4+x) Please help!!

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Answer:

6

Step-by-step explanation:

im pretty sure im right

Question 9
Find the measure of the exterior angle.

Answers

C.) 126

Im just that good!!!!

Is -90 a rational number help

Answers

Answer:

yes u can make it a fraction

Answer:

YES!

Explanation:

Rational numbers are all positive and negative numbers and can be written as a fraction.

4(x - b) = x
solve for x

Answers

Answer:

x=4b/3

Step-by-step explanation:

Simplify 4(x - b) = x

Then Move all terms containing x  to the left side of the equation.

so -4b+3x=0

Add 4b to both sides of the equation.

so 3x=4b

Divide each term by 3 and simplify!

A 4-column table with 6 rows. Column 1 is labeled x with entries 1.5, 3, 5.5, 6.25, 7, Sigma-summation x almost-equals 23.25.

Column 2 is labeled y with entries 9.5, 17, 34.5, 31, 35, sigma-summation y almost-equals 127.

Column 3 is labeled x squared with entries 2.25, 9, 30.25, 39.06, 49, sigma-summation x squared almost-equals 129.56.

Column 4 is labeled x y with entries 14.25, 51, 189.75, 193.75, 245, sigma-summation x y almost-equals 693.75.

The table shows the relationship between the number of trucks filled with mulch (x) and the number of tons of mulch (y) delivered by a landscaping company. Which regression equation models the data?

y = 4.8x + 3
y = 3x + 4.8
y = x + 20.8
y = 20.8x + 1

Answers

Answer:

C

Step-by-step explanation:

Answer:

a

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Can anyone explain what Literal Equations are? PLZ.

Answers

Answer:

A literal equation is an equation that consists of multiple variables or letters.

A linear equation is an equation that consists of one variable

Step-by-step explanation:

Literal EX:

a = 1/2h(a + b)

ax + b = c

u = ak/b

Linear EX:

5(3a + 8) = 12a

4a = 8

11(3a - 18) = 12a

Answer:

So A literal Equation is practically made up of all letters ( also known as variables) So to answer one you have to try an isolate the variable for example    * ax + b = c * You want to isolate * x *. You aren't trying to solve for x like you would for any other equation. You then have to do inverse operations. Below I have added a screenshot picture because I have done an example for you so that you can better understand what I'm explaining. I hope this helps you! :)

Step-by-step explanation:

please help me ill give brainiest to whoever is right i need help asap

Answers

Answer:

73 degrees

Step-by-step explanation:

So first, since there are two lines that are parallel, and there is a transversal, angle a and angle b are supplementary due to same side interior angles.

Next, we make an equation: 6x-35+3x+53=180, and after that you come up with 9x+18=180. Put the numbers on one side and the variables on one side, and since you put 18 on the other side, you have to change it to -18. 180-18= 162.

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your parents took your family out to dinner. your parents wanted to give the waiter a 15% tip. if the total amount of dinner was $42.00, what should be paid to the waiter as a tip

Answers

Answer:

6.3

Step-by-step explanation:

do 42.00 x 0.15

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Answers

Answer:

Just draw a line through the dots.

Step-by-step explanation:

multiply the cost times the number of items.

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Answers

Answer:

I believe that the answer is c.

Answer:

C: Kaylee must drive her car on the right side of the road

theKiley and her parents traveled to visit her grandmother. They drove 24.3 miles from their house to the airport in hour. At the airport, they exited the car and walked for hour to the waiting area by the gate to board their plane. Their walk covered 1.2 miles. From the waiting area, they walked another 0.1 mile to board the plane. The plane left the gate 45 minutes after they arrived at the waiting area. The plane flew 346 miles in hours. After the plane landed, Kiley and her parents walked for 30 minutes, covering 1.1 miles, before they found a cab. It was a 15-minute cab ride to get to Kiley’s grandmother’s house, which was 12.3 miles away. How long was the ride from kileys house to the airport?
NEED ANSWERS ASAP

Answers

Answer: The answer is just 24.3 miles.

The questions asked "How long was the ride from Kiley's house to the airport?"

The first sentence of the problem reads "They drove 24.3 miles from their house to the airport in an hour". The rest of the information isn't necessary to find this answer.

Step-by-step explanation:

what is the range of a function h(w) = 19- 3w if the domain is {-4, -1,2,5}

Answers

The tukmmk;ga#p[kpgrakkgkpkgweODKG\LMA

Can you pleassee help need it asap.
3(9x8)-139

Answers

Answer: 77 :)

Step-by-step explanation:

Answer:

3*72-139

216-139

77

you just multiple the parenthesis first

What do you learn at pirate school?

Answers

1.) x=20
2.) x=11/3
3.) x=21
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10.) x=13/12
11.) x=5/4

answer: the three arrrs

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Answer:

SAS

Step-by-step explanation:

two sides are same, and the angles between the sides are same (vertical).

sas two sides are the same .vertical

the femur family has a monthly budget of $5,500. mrs, demir works full time and takes home $4,000 each month. mr. demir earns $16 per hour. how many hours per month must mr. demir work at his part-time.job to.make sure that he and mrs. demir have met their monthly budget?

Answers

Answer:

93.75 hours

Step-by-step explanation:

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M
B
.
Too
[?]
22

Answers

Answer:

11 ?

Step-by-step explanation:

your question is a little bit strange and it's hard to understand, but the midpoint you need to find like this: AB/2 22/2=11

y = - 2x + 4 missing value

Answers

Answer:

Y= -2x+4

X= 1: -2(1) +4 = 2

X= 2: -2(2)+4= 0

X= 3: -2(3)+4= -2

Step-by-step explanation:

espero que esto ayude

Joe borrowed $4,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 4 year?

In 4 years, joe pays $blank
In interest.

Answers

Answer:

He will pay $640 in interest in 4 years.

Step-by-step explanation:

Yearly interest will be $160

because $4,000 x 7% = $160

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