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son4ous [18]
4 years ago
6

Multiply using mental math find the product.tell which strategy you used.

Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
3 0
Well nine times 199 is 1,791but im not sure if thats what its asking
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3 x (4 + 7) - * 4) + (7)
Zarrin [17]

Answer:

22 assuming the * was a mistake im not sure if u meant the * if u did mean in what does it mean

Step-by-step explanation:

4 0
3 years ago
Find sin(β) in the triangle.
Pachacha [2.7K]

Answer:

4/5

Step-by-step explanation:

<u>Given </u><u>:</u><u>-</u><u> </u>

  • A right angled triangle with sides as 3 , 4 and 5 cm .

We need to find the value of sin(β) in the given triangle . We know that the ratio of sine is ,

:\implies sin(β) = p/h

  • Where p is perpendicular and h is hypontenuse.

:\implies sin(β) = 4/5

<h3>Hence the required answer is 4/5.</h3>
5 0
3 years ago
Help ASAP !!!!! Which number line represents the solutions to \x + 4) = 2?
Pachacha [2.7K]

Answer:

first option

Step-by-step explanation:

Given

| x + 4 | = 2

The absolute value function always produces a positive value but the expression inside can be positive or negative, thus

x + 4 = 2 ( subtract 4 from both sides )

x = - 2

OR

- (x + 4) = 2, distribute left side

- x - 4 = 2 ( add 4 to both sides )

- x = 6 ( multiply both sides by - 1 )

x = - 6

Thus solutions are x = - 2, x = - 6

These are represented on the graph by solid blue circles at x = - 2, x = - 6

The first option represents the solution

6 0
3 years ago
Which theorem can be used to prove triangles are congruent?
anzhelika [568]

Answer:

AAS

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Somebody please help with the ones I got wrong
iren2701 [21]

Answer:

7 = y= x+2 I think

8 = (-2, -1)

Step-by-step explanation:

5 0
3 years ago
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