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Oksana_A [137]
2 years ago
7

Which represents the solution(s) of the equation x2 = 36?

Mathematics
2 answers:
mart [117]2 years ago
7 0

Answer:

Step-by-step explanation:

x2 = 36?

solution

x^2-(36)=0

Factoring:  x2-36

Check : 36 is the square of 6

Check :  x2  is the square of  x1  

Factorization is :       (x + 6)  •  (x - 6)

(x + 6) • (x - 6)  = 0

x+6 = 0

x = -6

x-6 = 0

add 6 to both side

x = 6

x = -6

Romashka-Z-Leto [24]2 years ago
6 0

Answer:

x=+or-1 hope this help

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A store advertises 15% off an ítem that regularly sells for $300. What is the sale price of the item?
fomenos

Answer:

$255

Step-by-step explanation:

To find amount that is subtracted off of the original price, you would need to multiply 300 by 15% as a decimal

The decimal form of 15% is 0.15, meaning that you would have to multiply 300 and 0.15

Once you do this, you will get 45

To find the sale price, you need to subtract the amount that is discounted, 45, from 300

Once you do this, you will get 255

This means that the sale price of the item is $255

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3 years ago
HELP PLS. solve the triangle shown in the figure. LC=90 degrees, BC=7.50mi, AC=11.43mi
Sergio [31]

Answer: C

Step by step:

  1. Use the pythagoras' theorem ( c² = a² + b² ) to find the length of AB.
  2. Use trigonometry to find the 2 missing angles of the triangle.

That's all!

7 0
2 years ago
What is the sum of 4.9 × 102 and 6.8 × 103? 1.17 × 103
Tju [1.3M]
4.9 * 102 = 499.8
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7 0
2 years ago
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SOMEONE HELP ASAPPPPPPP!!! PLEASE
Rom4ik [11]
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Specifically, tan74= \frac{h}{34}
h=(34)(tan74)<span class="_wysihtml5-temp-placeholder"></span>
h=118.6 feet.

Please be sure your calculator is set to degrees (not radians) when you do this problem.

(2) Here since P & Q are complimentary it means that their sum is 90 degrees. Since this is a right triangle that means that the remaining angle (R) must be the right angle. See below for a diagram.

sin = opp/hyp. As the sin Q =  9/41 this means that 9 is the length of the side opposite Q (the side PR) and 41 is the length of the hypotenuse. This makes the remaining side (QR) 40 in length.

cos = adj/hyp. If we focus on angle P the side adjacent (next to) is 9 and the hypotenuse is 41. Thus the cos of P = 9/41.

You could have also realized that if P & Q are complimentary the sin P = cos Q and the cos P = sin Q. We were not asked about tangent but it is also the case that tan P = cot Q and cot P = tan Q.

4 0
3 years ago
How do I solve 8/x-0.16=0.64
Andreas93 [3]

Answer:

yo my bad

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