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natima [27]
3 years ago
12

Can anyone help with this?

Mathematics
2 answers:
slava [35]3 years ago
7 0

Exterior angle c = the sun of the two opposite interior angles a and b.

10x -23 = 5x -17 + 7x -26

Combine the right side:

10x -23 = 12x -43

Add 43 to both sides:

10x +20 = 12x

Subtract 10x from both sides:

20 = 2x

Divide both sides by 2

X = 10

Now you have x replace it in the equation for A:

A = 5x -27 = 5(10) -27 = 50-27 = 23

Angle A = 23 degrees.

Norma-Jean [14]3 years ago
6 0

Answer:

thats all i know so far. i dont know if you are adding or multiply but if adding then the answer is -647. if your multiplying then the answer is -5,651,100.

Step-by-step explanation:

A- (5x - 27)= -137

B-(7x - 26)= -182

C-(10x 23)= -230

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Answer:

10 times 16 = C

Step-by-step explanation:

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5 0
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Answer:

A=325

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suter [353]

Answer:

y = 9

Step-by-step explanation:

We notice that both points have a y-coordinate of 9. Since they are the same, the equation must be y = 9 because the function can't "dip" or "rise", otherwise it would be a piecewise function and not a linear function. The equation y = 9 basically means that no matter what x is, y will always be 9.

7 0
3 years ago
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Two lemon creams plus four fudge cookies have 450 calories. Four lemon creams plus two fudge cookies have 420 calories. How man
Gnoma [55]

Answer:

Each fudge cookie has 80 calories.

Each lemon cream has 65 calories.

Step-by-step explanation:

We will let \ell represent the calories in lemon creams and f represent the calories in fudge cookies.

Two lemon creams and four fudge cookies together have 450 calories. So, we can write the following equation:

2\ell+4f=450

And four lemon creams plus two fudge cookies together have 420 calories. So, we can write the following equation:

4\ell+2f=420

We now have a system of equations. We can solve this by elimination.

For the first equation, we can multiply both sides by -2. This way, the \ell will cancel when we add the two equations together.

So, the first equation becomes:

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Add this to the second equation. Hence:

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Simplify:

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Divide both sides by -6. Hence:

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So, there are 80 calories in one cookie.

We can use the first equation again to find the amount of calories in one cream. We have:

2\ell+4f=450

Substituting 80 for f yields:

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Then it follows that:

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3 years ago
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Answer answer answer answer
Mice21 [21]

Answer:

12 \leqslant x < 26

4 0
3 years ago
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