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aniked [119]
3 years ago
10

Question

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

-15

Step-by-step explanation:

(5*a*b*c) / (b) => (5*3*-4*-1) / (-4)

=> (60) / (-4)

=> -15

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Step-by-step explanation:

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-10.25 + 1.3 = -8.95

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The measures of the three angles whose sum is 120° are in the extended ratio 2:5:8 find the exact angle measures
hoa [83]

Answer:

ans is 16°,40°and64°

let ratio be 2x,5xand 8x

Step-by-step explanation:

their sum=120°

2x+5x+8x=120

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5x=5×8=40°

8x=8×8=64°

7 0
3 years ago
Which equation will solve the following word problem? Vanessa spent $87.00 on entertainment for the week. Her rent costs twelve
dangina [55]

Answer:

The first answer is correct.

Step-by-step explanation:

Where R represents the amount of rent Vanessa pays, 2r is double that amount, and 2r - 12 would be twelve dollars less than double.

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3 years ago
In Exercises 3 and 4, find the values of x and y <br> plz help!!!
jonny [76]

Answer:

x = 20°

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Step-by-step explanation:

The triangle given on close inspection, it is an equilateral triangle.

Each angle in an equilateral triangle is equal. Likewise, each side is equal.

Thus;

16 + y = 46

y = 46 - 16

y = 30

The triangle that has angle 80°, the other complete angle is 60° because it's an angle of an equilateral triangle.

Thus, the smaller angle there is;

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Because sum of angles in a triangle is 180°

Now, x + 40 = 60°

Since that's also an angle of an equilateral triangle.

x = 60 - 40

x = 20°

8 0
2 years ago
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