1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
VikaD [51]
3 years ago
11

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

Mathematics
2 answers:
dexar [7]3 years ago
8 0

Answer:

99

Step-by-step explanation:

You can solve it by Squaring/multiply 18 by itself and 15 by itself then subtract them both:

(18 × 18) - (15 × 15)

324 - 225

99

You could also do difference of two squares:

(x² - y²)

= (x + y) (x - y)

= (18 + 15) (18 - 15)

= (33) (3)

= 99

deff fn [24]3 years ago
6 0

Answer:

<h2>99</h2><h2 />

Step-by-step explanation:

Evaluate

= (18)^2-(15)^2

= 324 - 225

= 99

You might be interested in
Erica sells magazine subscriptions and makes a flat rate of $5.35 for each subscription she sells. If Erica made $42.80 on Monda
prohojiy [21]

to find the number of subscribtion sold we divide the money she made by the price of subscription

monday:

42.80/5.35=8 subscriptions sold

tuesday:

64.20/5.35=12 subscriptions sold

wednesday:

74.90/5.35=14 subscriptions sold

8+12+14=<u><em>34 subscriptions sold in 3 days</em></u>

7 0
3 years ago
Read 2 more answers
In the figure above if PQRS is a square, what is the value of a?
yanalaym [24]

Answer:

sino me quivoco es 1/53 espero aber ayudado

6 0
3 years ago
3
Dimas [21]

Answer:

the line perpendicular: x=-3

Step-by-step explanation:

8 0
2 years ago
Two gallons of gasoline cost $7.96, 5 gallons cost $19.90, and 12 gallons cost $47.76. Which equation gives the total cost y of
Nikolay [14]

Answer:

9.7921

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Best answer gets brainiest. Mackenzie went to the mall with her mom. First, they spent 15 minutes in the shoe store. Then they s
Naddika [18.5K]

Answer:

They started at 4:45 pm

Step-by-step explanation:

Time spend at the mall:

15 minutes in the shoe store

1 hour shopping for a dress

30 minutes eating

Total 1 hour 45 minutes

x + 1 hour 45 minutes = 6:30

Subtract 1 hours

5 : 30 pm

Subtract 45 minutes

4 :45 pm

They started at 4:45 pm

8 0
3 years ago
Other questions:
  • What is 3/11 in decimal form?
    9·2 answers
  • Solve the equation. check for extraneous solutions.<br>|x+24|=-7x<br>please show work
    14·1 answer
  • Which sentence demonstrates the multiplicative identity?<br><br> 1/2+0=1/2<br> 1/2•2=1<br> 1/2•1=1/2
    15·1 answer
  • Find the circumference of the circle. Use pi = 3.14. Question 6 options: 3 m 18.84 m 6 m 28.26 m
    13·2 answers
  • One linear equation is defined by points (1, 6) and (3, 7), while the other is defined by points (3, 6) and (5, 8). Which point
    14·2 answers
  • A statistical program is recommended. A random sample of soil specimens was obtained, and the amount of organic matter (%) in th
    7·1 answer
  • A fluid has density 860 kg/m3 and flows with velocity v = z i + y2 j + x2 k, where x, y, and z are measured in meters and the co
    13·1 answer
  • Find the missing term.
    13·2 answers
  • PLEASE HELP ITS PROBABILITY PICTURE ABOVE
    8·1 answer
  • A cylinder has a cross-sectional area of 17m² and a length of 14 m what is the volume of the cylinder
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!