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erastovalidia [21]
3 years ago
7

Write a numerical expression for the following: The product of seven and twelve minus fifteen

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

the answer to this is 7+12-15

Furkat [3]3 years ago
6 0

Answer:

7+12-15=?

Step-by-step explanation:

which I think the product to this equation which is the ?/question mark is 4.

If this helps any so if you are suppose to include the product then the numerical expression is 7+12-15=4. Hope I helped.

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Answer:

Step-by-step explanation:

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3 years ago
Hey friend please solve this question
Bas_tet [7]

yes and yes.

you're told ∠A=∠B. this means angle A and B are equal. so the value you get for cos A will be the same as the value you'll get for cos B

also, the value you get for tan A will be the same as the value you'll get for tan B


if that doesn't make sense you could also draw the triangle and solve for A and B.

you're told it's a right angled triangle meaning one of the angles = 90

you're told that C is that angle so if C is a right angle, angle C=90

the sum of all the angles in a triangle = 180

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angle A+ angle B + 90 = 180

angle A+ angle B = 180 - 90

angle A+ angle B = 90

  • A and B could be any value but you're told angle A = angle B

        angle A+ angle B = 90

        you can divide 90 by 2 because A and B are equal. that will give you 45 for A and 45 for B

or

  • angle A+ angle B = 90

        since angle A = angle B,

1. you can substitute angle A with angle B like this

  angle B+ angle B = 90

  2 angle B = 90

  angle B = 90/2

  angle B=45; ∴ angle A is also 45 ( because angle A= angle B)

2. or you could substitute angle B with angle A

   angle A+ angle A = 90

2 angle A = 90

  angle A = 90/2

  angle A =45; ∴ angle B is also 45 ( because angle A= angle B)


Now you know what A and B are,

sin A = sin 45; sin B = sin 45

sin 45 = sin 45

tan A = tan 45; tan B = tan 45

tan 45 = tan 45

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finlep [7]
No one should talk badly about anyones religion or do something bad with religion thats just disrespectful everyone has there own beliefs no one should judge 
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