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dimaraw [331]
2 years ago
11

SOMEBODY PLEASE HELP ME!!

Mathematics
1 answer:
notsponge [240]2 years ago
8 0

Answer:

60 square units; 40 units

Step-by-step explanation:

to find the missing side you use the pythagorean theorem

a^2 + b^2 = c^2

8^2 + b^2 = 17^2

64 + b^2 = 289

b^2 = 225

b = 15

area is l*h*1/2

15 * 8 * 1/2 = 60 square units

perimeter is adding them all

15 + 8 + 17 = 40 units

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The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is fifty-two. Find the t
Dmitry [639]
So... we have two numbers
say "a" and "b"

one is larger than the other, let us say, "b" is larger than "a"
by how much?
well, "<span>eight more than three times"
three times the smaller is 3 * a, or 3a
eight more than that is 3a + 8

so b = 3a+ 8
the sum of both of them is 52
so, we know that

a + b = 52

run a substitution on "b" on the 2nd equation, and solve for "a"
once you find "a", plug it back in the 2nd equation, to get "b"


</span>
7 0
3 years ago
What is: 7x + 1.8 + 2.2 = 30<br><br> Step-by-step explanation pls! :)
Paha777 [63]
The answer is 3.71
First u add 1.8 and 2.2 and get 4. Then u subtract 30 by the 4 u got. Finally u divide 26 by 7 and get x = 3.71 :)
7 0
3 years ago
Han spent 75 minutes practicing the piano over the weekend. For each question, explain or show your reasoning. A. Priya practice
irakobra [83]

Answer:

a. 114 minutes

b. 48 minutes

Step-by-step explanation:

Given that

Time spent over the piano is 75 minutes

a. if Priya practice violin for 152% as Han Practiced for piano

So the minutes she practice in Violin is

= 75 minutes × 152%

= 114 minutes

Likewise

b. If Tyler practiced for clarinet for 64% as Han Practiced for piano

So the minutes he practice in Clarinet is

= 75 minutes × 64%

= 48 minutes

The same is to be considered

4 0
3 years ago
Plss help :((((((((((((((
valentina_108 [34]

Answer:

C

Step-by-step explanation:

B = 11 x 7 = 77

h = 4

V = 77 x 4

V = 308

if you're satisfied with my answer please make it the brainliest.

7 0
3 years ago
There are 2.54 centimeters in 1 inch. There are 100 centimeters in 1 meter.
sveta [45]

Answer:

<em>Answer: 512 inches</em>

Step-by-step explanation:

<u>Unit Conversion</u>

We need to recall two basic unit conversions for length:

1 inch = 2.54 cm

1 meter = 100 cm

We are given a length of 13 meters. Converting to centimeters:

13 * 100 = 1300 cm

Now convert to inches dividing by 2.54:

1300 / 2.54 \approx 512

Answer: 512 inches

3 0
3 years ago
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