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aniked [119]
3 years ago
15

If the legs of a right triangle are both 8 cm, find the area of the triangle. A) 8 cm2 B) 16 cm2 C) 32 cm2 D) 64 cm2

Mathematics
2 answers:
Alex787 [66]3 years ago
5 0

Answer:

32cm

Step-by-step explanation:

Area of a triangle= 1/2 X b X h

b= 8

h=8

1/2 X 8 X 8

= 4 X 8

= 32cm

harkovskaia [24]3 years ago
3 0

Answer:

C. 32cm^2

Step-by-step explanation:

Area of a triangle = 1/2 b x h

Given both the base and height as 8cm each

Area = 1/2 x 8 x 8

= 64/2

= 32cm^2

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Lucy kicks a shuttlecock into the air from a height of 0.6 feet
SpyIntel [72]

Answer:

4.6 feet

Step-by-step explanation:

The equation is:

h=-16t^2+vt+s

Where

v is initial velocity (given as 16)

s is initial height (given as 0.6)

Substituting, we can write:

h=-16t^2+16t+0.6

This is a quadratic equation of the general form:  at^2+bt+c

Which we can conclude the coefficients to be:

a = -16

b = 16

c = 0.6

The max height occurs at the value:  t=-\frac{b}{2a}

So, max height occurs at:

t=-\frac{16}{2(-16)}\\t=0.5

We will get the max height if we put  t = 0.5  into the original equation. So that would be:

h=-16t^2+16t+0.6\\h=-16(0.5)^2+16(0.5)+0.6\\h=4.6

Max Height = 4.6 feet   (occurs at t = 0.5 seconds)

8 0
4 years ago
What is 23,000,400,000,158 in word form
mixas84 [53]

twenty-three trillion, four hundred million, one hundred fifty-eight


5 0
4 years ago
Read 2 more answers
How to express 3 ones and 8 tenths as a decimal??
IRINA_888 [86]

Answer: am I don't know sorry i really need the points but i thing 3 can go in 8 1 time 0.38

Step-by-step explanation:

6 0
2 years ago
If you work 4 days a week from 7:30-4 how many hours per week is that?
Pavel [41]

Answer:

34 hours

Step-by-step explanation:

7.30am to 4pm is 8 hours and 30 minutes.

8 hours 30 minutes x 4=

8x 4=32

30x 4= 120

120 -60=60 (2 hours)

32 + 2 = 34hours

6 0
3 years ago
What is $70 discounted to $63 in percent form
RideAnS [48]
First step:

difference: $70 - $63 = $7

Second step:
\frac{\$7}{\$70}=\frac{1}{10}=0.1

Third step:
0.1\times100\%=10\%

Answer: Discounted is equal 10%.
3 0
3 years ago
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