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
Y_Kistochka [10]
3 years ago
14

The sum of the areas of two squares is 818 cm2.

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0

Answer: 17 and 23 (cm)

Step-by-step explanation:

Let c1 and c2 the side of thr squares.

\left\{\begin{array}{ccc}4*c_1+4*c_2&=&160\\c_1^2+c_2^2&=&818\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}c_1+c_2&=&40\\c_1^2+(40-c_1)^2&=&818\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}c_1+c_2&=&40\\c_1^2+-40c_1+391&=&0\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}c_1&=&23\\c_2&=&17\\\end{array}\right.\ or\ \left\{\begin{array}{ccc}c_1&=&17\\c_2&=&23\\\end{array}\right.\\

You might be interested in
A shark is at -80 feet. It swims up and jumps out of the water to a height of 15 feet. Write a subtraction expression for the ve
SpyIntel [72]

15-(-80)=95

he jumped 95 ft.


6 0
3 years ago
If an apple pie recipe calls for 3 pounds of candy apples then how many cups of canned apples required
lesya692 [45]

Answer:

Seven cups of canned apples are required to make apple pie recipe

Step-by-step explanation:

The weight of one canned apple is 0.45 pounds

Weight of total canned apple required to make the apple pie recipe is 3 pounds.

Total number of cups of canned apples required

= \frac{3}{0.45} \\= \frac{300}{45} \\= \frac{20}{3} \\

So approximately seven cups of canned apples are required to make apple pie recipe

5 0
3 years ago
If f(x) = 3x + 2, find f(4)
igomit [66]
F(4)=3(4)+2
f(4)=12+2
f(4)=14
6 0
3 years ago
Which is the mathematical symbol. HELP ASAP
Darya [45]

Answer:

I would think D

Step-by-step explanation:

5 0
3 years ago
What is the time elaspsed between 11:00 and 2:15
hichkok12 [17]
From 11 am to 2:15 pm it is 3 hrs and 15 min
4 0
3 years ago
Read 2 more answers
Other questions:
  • if alpha and beta are zeroes of the quadratic polynomial f(x) = x2-x-2 then find a polynomial whose zeroes are 2alpha + 1 and 2b
    5·1 answer
  • 25PTS!!
    8·2 answers
  • The height of Liliana's picture frame is 18 inches. The frame and blue matting take up 4.5 inches of the height. Liliana wants t
    10·2 answers
  • ???????? Why ir why not
    10·2 answers
  • Given:
    5·1 answer
  • It's not 3 so what's the volume?​
    10·2 answers
  • What does this equal to <br><br> 2(x - 5) + 7 = x + 8
    14·1 answer
  • Convert 0.0855 to a fraction. Move numbers to the blanks to complete the fraction.
    15·2 answers
  • John is a shop keeper. He sold cameras over a month and wrote the sale of total number of cameras he sold each day. The results
    11·1 answer
  • triangle ghi is dilated to form new triangle jkl. if angle h is congruent to angle k, what other information will prove that the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!