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QveST [7]
2 years ago
5

Find the value of A help please

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
4 0

Answer:

a= 6

Step-by-step explanation:

(7a-4)= 38

7×6= 42

42-4= 38

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Someone please help me
Lesechka [4]

If these 2 triangles are similar to each other, the corresponding sides have to exist in proportion to one another. The angles would be exactly the same (side length doesn't matter at all!). Going from the bigger triangle to the smaller, KL corresponds to RS; LJ corresponds to SQ; JK corresponds to QR. The ratio of KL:RS is 5:1; the ratio of LJ:SQ is 5:1; the ratiio of JK:QR is 5:1. That means that the sides are all proportionate and the triangles are similar by the SSS postulate. Now that we know that the triangles are similar, we can say that all the corresponding angles are the same by CPCTC but we had to determinte side similiarity first. Your answer is the second choice, SSS

8 0
3 years ago
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coldgirl [10]
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2 years ago
For one Geometry test, Nancy correctly answered 18 questions. These correct answers gave her a percent score of 72%. In total, h
Brrunno [24]

Answer:

25 questions.

Step-by-step explanation:

Correct answer = 18

The percent score of the correct answers is 72%.

Let there are x questions in the test. So,

According to the given condition,

72\%\ of\ x=18\\\\\dfrac{72}{100}x=18\\\\x=\dfrac{18\times 100}{72}\\\\x=25

Hence, there were 25 questions in the geometry test.

4 0
3 years ago
What is the value of x
Kisachek [45]

Answer:

x=98

Step-by-step explanation:

Angles in a triangle add up to 180°

180-45-53

=82

Angles in a straight line add up to 180°

180-82

=98

4 0
3 years ago
Read 2 more answers
What number has the same value as 12 tens
torisob [31]
If one ten is ten then just simply multiply 12*10 and its 120 which can be equal to one hundred and two tens
3 0
3 years ago
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