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3 years ago

Helpppp helping my sister

Mathematics

1 answer:

trapecia [35]3 years ago

6 0

Answer:

i wanna say scalene is the first and thrid triangle. The second one is the 5th triangle and the rest go into the last catigorrie

Step-by-step explanation:

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Keith_Richards [23]

5.3x is the answer because 5x1 .3

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3 years ago

Trapezoid JKLM is is shown below. What is the length in centimeters, of KL

IrinaVladis [17]

The complete question is:

Trapezoid JKLM is shown below.

What is the length, in centimeters, of KL ?

A. 12 cm

B. 10 cm

C. 9 cm

D. 6 cm

The mentioned figure is attached.

Answer:

$\large\boxed{option\text{ B. }(\overline{KL})=10cm}$

Explanation:

1. KL is the hypotenuse of a right triangle; hence, you can use Pythagora's theorem to find its length.

2. The height 8 cm is one leg of the right triangle.

3. The other leg may be found by difference:

$\overline{ML} -\overline{JK}=15cm-9cm=6cm$

4. Now you can use Pythagora's theorem:

$hypotenuse^2=(leg_1)^2+(leg_2)^2\\ \\ (\overline{KL})^2=(8cm)^2+(6cm)^2\\ \\ (\overline{KL})^2=64cm^2+36cm^2=100cm^2\\ \\ (\overline{KL})=10cm$

3 0

4 years ago

Eduardo counted ten seconds (y) between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles (

Fed [463]

Answer:

The equation for the variation is:

$\frac{Miles}{thunder\,\,time } =0.2\,\frac{mi}{s}$

Step-by-step explanation:

The relationship is given by the quotient between the two variables: (1) distance of the storm, and (2) the number of seconds to hear the thunder. That is:

$\frac{Miles}{thunder\,\,time } =\frac{2}{10} =0.2\,\frac{mi}{s}$

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3 years ago

Select one: A- 25% B- 15% C- 20% D- 30%

White raven [17]

Answer:

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Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Investing $10,000 in a saving account at 5% annual interest compounded semiannually will result in approximately how much money

zmey [24]

Answer:

156250

Step-by-step explanation:

10000(1+.5/2 )^2*10=156250

4 0

3 years ago