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kipiarov [429]
4 years ago
7

If b = 3 in. and h = 8 in., what is the area of the triangle?

Mathematics
2 answers:
vlada-n [284]4 years ago
5 0

A=12in² is the answer


tamaranim1 [39]4 years ago
5 0

Area = 1/2 * b * h

= 1/2 * 3 * 8

=  12 in^2

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Pamela's age is two times Jiri's age. The sum of their ages is 63 . What is Jiri's age?
shepuryov [24]
2x + x = 63
3x = 63
x = 21
2x = 43
Jiri is 21
3 0
3 years ago
Read 2 more answers
2x²-19x+42 (Factor Completely)
Kruka [31]

\tt{} {2x}^{2}  - 19x + 42

\tt{} {2x}^{2}  - 7x - 12x + 42

\tt{}x \times (2x - 7) - 6(2x - 7)

\tt{}(2x - 7) \times (x - 6)

5 0
3 years ago
The sum of 13 and twice a number is seven less than six times a number. what is the number
Trava [24]
Let, the number = x
It would be: 13 + 2x + 7 = 6x
2x+20 = 6x
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4x = 20
x = 20/4
x = 5

In short, Your Answer would be 5

Hope this helps!
5 0
3 years ago
Find all the square roots of x^2 ≡ 53 (mod 77) by hand. This is my second post. Please explain all the steps how you did this?
sasho [114]

Answer:

Step-by-step explanation:

Given that

x^2 ≡ 53 (mod 77)

Right side has values as

53, 53+77, 53+2(77),+....

We have to find one which is a perfect square.

We have from this series 361 is 19 square

Thus x =19.

Next is x^2=900\\x=30

x^2=2209\\x=47 and so on.

3 0
3 years ago
Read The question and Then give Me The answer for number 20
N76 [4]
The second option, 7 rolls of quarters and 4 rolls of dimes.

7*10=70
4*5=20
70+20=90
7 0
3 years ago
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