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Rainbow [258]
3 years ago
13

BRAINLIEST ASAP! PLEASE HELP ME :) thanks!

Mathematics
2 answers:
Evgen [1.6K]3 years ago
6 0

Answer:

SAS

Step-by-step explanation:

It is SAS similarity because the two sides are proportional, and the angle is the same. SAS works because it can also be proved for congruence.

Mumz [18]3 years ago
3 0

The answer is [ yes; ΔABC ~ ΔRTS by SAS similarity ]

SAS similarity means that both triangles have corresponding sides that have similar ratios and corresponding angles that are congruent.

In both triangles, ΔABC and ΔRTS have the same degree which is 42.

In both triangles, they have a scale factor of 3 which means that they both have identical ratios.

This proves our answer.

Best of Luck!

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Which expressions are equal to 0 when x=-1? Check all that apply.
Reptile [31]

Answer:

4(x+1)/(4x+5)

4(x+1)/(5-4x)​

4(x-(-1))/(4x+5)

Step-by-step explanation:

The numerators in the fractions must equal to 0, or else the expressions won’t have the result of 0.

4(x+1)

4(-1+1)

4(0)

= 0

4(x-(-1))

4(-1-(-1))

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The expressions with the numerator as 0 have the result of 0.

7 0
3 years ago
If tan a = 9/40<br>use trigonometric identities to find the values of sin a and cos a.​
Sindrei [870]

Answer:

see explanation

Step-by-step explanation:

Given

tan a = \frac{9}{40} = \frac{opposite}{adjacent}

We require the hypotenuse h

Using Pythagoras' identity

h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )

h = \sqrt{1681} = 41 , thus

sin a = \frac{opposite}{hypotenuse} = \frac{9}{41}

cos a = \frac{adjacent}{hypotenuse} = \frac{40}{41}

4 0
2 years ago
in a class children, three quarters are chinese, one fifth are malay, and the rest are indian. what fraction of the class are in
Rudiy27

Answer:

\frac{1}{20}

or 5%

Step-by-step explanation:

Explanation:

3/4=15/20

1/5=4/20

So, rest of 'em 1/20

3 0
2 years ago
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melamori03 [73]

Answer:

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5 0
3 years ago
This is the last question somebody help.
arlik [135]
5(7)-5
———-
3(7)-16

= 54
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