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Elina [12.6K]
3 years ago
11

I don’t get this sum 1 plz help quickkk

Mathematics
2 answers:
Inessa05 [86]3 years ago
8 0

Answer:

I would say A

Step-by-step explanation:

sattari [20]3 years ago
5 0

Answer:

that would be -9 since it's an isosceles triangle, which two base angles are the same, so that would add to 100. substitute -9 for x and add them to get 80. add all the angles and you get 180.

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(4x + 8x - 5) + (3x2 + 6x - 7)
ch4aika [34]

Answer:

7x^2 + 14x - 12

Step-by-step explanation:

Add like terms:

(4x + 8x - 5) + (3x2 + 6x - 7) becomes:

  4x^2 + 8x - 5               or (grouping like terms in columns):

+ 3x^2 + 6x - 7

---------------------

 7x^2 + 14x - 12

5 0
3 years ago
THIS IS URGENT! PLZ HELP!
Yanka [14]

Answer:

73

Step-by-step explanation:

7 0
3 years ago
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What's the area of the square?​
mart [117]
Your answer is D. 25.25
8 0
3 years ago
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The length of the minute hand of a clock is
svetlana [45]

Answer:

Therefore,

The length of the path traced  by the outer tip of the minute hand in one hour, is 88 inches.

Step-by-step explanation:

Given:

The length of the minute hand of a clock is,

Which is as Radius,

Therefore,

Radius = r = length of the minute hand = 14\ inches

pi = 22/7

To Find:

The length of the path traced  by the outer tip of the minute hand in one hour, will be One full rotation, that is

Circumference, C = ?

Solution:

Circumference, is given by,

Circumference = 2\pi r

Circumference = 2\times \dfrac{22}{7}\times 14=88\ inches

Therefore,

The length of the path traced  by the outer tip of the minute hand in one hour, is 88 inches.

7 0
3 years ago
A farmer needs 3x2 − 4x + 10 seeds for each of x3 + 5x − 20 fields. What expression would represent the seeds the farmer needs t
Fittoniya [83]

Answer:

Step-by-step explanation:

(3x^2-4x+10)(x^3+5x-20) =3x^5-4x^4+25x^3-80x^2+130x-200

x=1 is not a good value since when you plug it in you get -126 and you can't have a negative number of seeds.

7 0
3 years ago
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