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
Zepler [3.9K]
2 years ago
9

The legs of an isosceles right triangle are 20 cm long. Find the length of the hypotenuse. Round to the nearest tenth if necessa

ry.
a.
34.6 cm
b.
28.3 cm
c.
40 cm
d.
14.1 cm


Please select the best answer from the choices provided

A
B
C
D
Mathematics
1 answer:
german2 years ago
7 0
B. I believe is the correct answer
You might be interested in
What is 2/9 divided by negative 6/5
Lerok [7]
The answer to your question is 5/27
4 0
3 years ago
Read 2 more answers
Annie is framing a photo with a length of 6 inches and a width of 4 inches. The distance from the edge of the photo to the edge
Ede4ka [16]

Answer:

Part a) The quadratic function is 4x^{2} +20x-39=0

Part b) The value of x is 1.5\ in

Part c) The photo and frame together are 7\ in wide

Step-by-step explanation:

Part a) Write a quadratic function to find the distance from the edge of the photo to the edge of the frame

Let

x----> the distance from the edge of the photo to the edge of the frame

we know that

(6+2x)(4+2x)=63\\24+12x+8x+4x^{2}=63\\ 4x^{2} +20x+24-63=0\\4x^{2} +20x-39=0

Part b) What is the value of x?

Solve the quadratic equation 4x^{2} +20x-39=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem

we have

4x^{2} +20x-39=0

so

a=4\\b=20\\c=-39

substitute in the formula

x=\frac{-20(+/-)\sqrt{20^{2}-4(4)(-39)}} {2(4)}

x=\frac{-20(+/-)\sqrt{1,024}} {8}

x=\frac{-20(+/-)32} {8}

x=\frac{-20(+)32} {8}=1.5\ in  -----> the solution

x=\frac{-20(-)32} {8}=-6.5\ in

Part c) How wide are the photo and frame together?

(4+2x)=4+2(1.5)=7\ in

5 0
3 years ago
A student studying for a vocabulary test knows the meanings of 16 words from a list of 26 words. If the test contains 10 words f
gayaneshka [121]
To get the probability that at least 8 of the words on the test are words that students know we need to do the following calculations.

<span>=[C(16,8)*C(10,2) + C(16,9)*C(10,1) + C(16,10)*C(10,0)] / C(26,10)
</span>
=0.132 
4 0
3 years ago
15PTS!!!! HELPPPP!!! Determine the length of fencing around an 80 m by 170 m rectangular playing field if fence is to be 25 m ou
marshall27 [118]
Perimeter=2L+2W, in this case L=80+2(25) and W=170+2(25) so

P=2(L+W)=2(80+50+170+50)

P=2(350)=700m
5 0
3 years ago
Find the volume in the pyramid
lilavasa [31]

Answer:

900 ft!

Step-by-step explanation:

Volume = l ∗ w ∗ h

5 0
3 years ago
Other questions:
  • Leslie plants a tree that will grow at an average rate of 6 inches each year. She graphs a line that represents the predicted gr
    13·2 answers
  • B. Mercury, Venus, and Earth are the three planets closest to the sun. Would their combined distance from
    14·1 answer
  • On the track and field team, 3/8 of the members do the hurdles. Of the members who do the hurdles, 4/5 also do the long jump. If
    10·1 answer
  • What is the inverse of the function below? f(x) = x - 4
    13·1 answer
  • Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in s
    8·2 answers
  • We are interested in finding an estimator for Var (Xi), and propose to use V=-n (1-Xn). 0/2 puntos (calificable) Now, we are int
    12·1 answer
  • A chef is going to use a mixture of two brands of Italian dressing the first brand contains contains 7% vinegar and the second b
    8·1 answer
  • Subtract. Write the difference in simplest form.<br><br>(5n - 3) - (-2n + 7)​
    13·1 answer
  • If the two lines below are perpendicular and the slope of the red line is -7,
    14·1 answer
  • Graph 4x + y = 6x - 1<br> Show your work and explain the method used to determine the graph.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!