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adelina 88 [10]
3 years ago
15

Find the perimeter of the triangle. Round to the nearest tenth.

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

B)   17.1

Step-by-step explanation:

g = 5

f = 5

That means we have a 45-45-90 triangle

and the hypotenuse = \sqrt{2} times the length of a leg

Therefore, h = 5\sqrt{2} = 7.1

5 + 5 + 7.1 = 17.1

Note:  If you have not been taught about 45-45-90 triangles, then use the Phythagorean theorem.  OK?

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The figures abov are similar find the missing length show your work 5in by 3in 3in by x
IgorLugansk [536]
Make each a ratio, and set them equal to each other.

Larger rectangle = 3/5
smaller rectangle = x/3

3/5 = x/3

cross multiply

3/5(5)(3) = x/3(3)(5)

3(3) = x(5)

9 = 5x

Isolate the x, divide 5 from both sides

9/5 = 5x/5

x = 9/5

x = 1.8

1.8 in. is your answer

hope this helps
3 0
3 years ago
Line M is represented by the following equation: x − y = 8
PIT_PIT [208]
Let's plug in (18,10) into each answer choice until we find the one that has it as a solution.

A) 2x - y = 26
2(18) - 10 = 26
36 - 10 = 26
26 = 26

Your answer is A.

I'll just do the rest to show that you the they are incorrect.

B) x + y = 18
18 + 10 = 18
28 ≠ 18

C) 2x - 2y = 36
2(18) - 2(10) = 36
36 - 20 = 36
16 ≠ 36

D) x - y = -28
18 - 10 = -28
8 ≠ -28


Your answer is A) 2x - y = 26.
6 0
3 years ago
Read 2 more answers
The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2. How does the amount of fabric needed for Robs costum
exis [7]

The amount of fabric needed for Jimmy's costume is not stated, we can only determine the amount needed for Rob's costume, which makes it impossible to compare the amounts needed for both of their costumes. If this omission was an error, then you can find the difference between these amounts if the amount needed for Jimmy's costume is stated explicitly.

Step-by-step explanation:

The number of yards of fabric needed for Robs costume is (7/8+1/2+1 3/4)÷2

Assuming 1 3/4 is a mixed fraction.

= (7/8 + 1/2 + 7/4) ÷ 2

= (7 + 4 + 2) ÷ (8 × 2)

= 13/16 yards

Suppose 2 yards of fabric is needed for Jimmy's costume, then comparing with Rob's yards, we see that Jimmy's costume requires (2 - 13/16 = 19/16) more yards than Rob's costume.

8 0
3 years ago
How do these numbers compare? Drag the correct comparison symbol to the box. 2.75 2.6
Natalka [10]
<h2>COMPARE</h2>

<h2>\\ \sf \: 2.75 \:  \:  \: \green{\boxed{\tt{{ > }}}} \:  \:  \: 2.6 \\</h2>

The correct sign for the two given digits compared is greater than. 2.75 is greater than 2.6.

8 0
3 years ago
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Jason walks a round-trip of 0.85 mile to school every day. How many miles will he walk in 4.5 days?
Volgvan

Answer:

4.5 x 0.85 = 3.825

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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