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Taya2010 [7]
2 years ago
10

Please help me 87x89 PLEASE

Mathematics
2 answers:
BlackZzzverrR [31]2 years ago
5 0

Answer:

7743 :)

Step-by-step explanation:

slamgirl [31]2 years ago
3 0
The answer to 87x89 is 7,743.
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Y = x2 - 3x is the quadric equation
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Answer part A and part B and explain how you got your answers please ❤️
Vanyuwa [196]

Part a: Option c: 3x+90+x-14=180

Part b: The value of x is 26

Explanation:

Part a:

Option a: 3x+x-14=180

Since, adding all the angles in the straight line results in 180°, and only two of the three angles were added in the equation to find the value of x.

Thus, the equation 3x+x-14=180 cannot be used to determine the value of x.

Hence, Option a is not the correct answer.

Option b: 3x+90+x-14=90

Adding all the angles in the straight line results in 180°.

Thus, adding all the angles does not equals to 90°

Hence, the equation 3x+90+x-14=90 cannot be used to determine the value of x.

Hence, option b is not the correct answer.

Option c: 3x+90+x-14=180

Since, the straight line is 180° and thus adding the angles in this straight line will result in 180°

Thus, the angles in this straight line are 3x, 90° and x-14.

Hence, adding these angles will result in 180°

Thus, the equation becomes

3x+90+x-14=180

Hence, the equation used to determine the value of x is 3x+90+x-14=180

Thus, Option c is the correct answer.

Option d: 4x+90=360

Adding all the angles in the straight line results in 180°.

Since, not all the three angles were added in this equation and the equation equals to 180°

Hence,  the equation 4x+90=360 cannot be used to determine the value of x.

Thus, Option d is not the correct answer.

Part b:

To determine the value of x, we shall add all the angles of the equation 3x+90+x-14=180

Thus, we get,

4x+76=180

Subtracting both sides by 76,

4x=104

Dividing both sides by 4, we get,

x=26

Thus, the value of x is 26.

4 0
3 years ago
Find the sum of the geometric series 3+12+48+...+12,288
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Answer:

I think that you need to add obvoiusly.

12351 Thats what I got. But Im not sure if its correct. I hope his helps

Step-by-step explanation:

5 0
3 years ago
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Gọi S là tập các giá trị nguyên của tham số m trong khoảng (–20;20) để bất phương
Pie

Answer:

i cannot understand

Step-by-step explanation:

5 0
3 years ago
When 5 is added to 2 times a number, the result is 45. find the number.
WINSTONCH [101]
A.

let the number be n.
2n+5=45
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n=20
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3 years ago
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