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11111nata11111 [884]
3 years ago
11

Pls help me for 50 brainlist

Mathematics
2 answers:
boyakko [2]3 years ago
3 0

Answer:

35 degrees

Step-by-step explanation:

if you get the obtuse angle and subtract the other degree you will get a number but if you subtract the other angle from the number you just got from the subtraction problem you'll get the answer. hope this makes sense

Anna35 [415]3 years ago
3 0

Answer:

31

Step-by-step explanation:

I know this by heart! Hope this helps!! :)

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A building casts a shadow 10 ft long. A statue in front of the building casts a shadow 2.5 ft long. If the statue is 15 ft tall,
Gelneren [198K]
3.75

10 ft - 2.5
Half of 2.5 is 1.25.

2.5 + 1.25 = 3.75


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Convert 86 degrees Fahrenheit to degrees celsius
dybincka [34]
86 degrees Fahrenheit is 30 degrees Celsius 
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4 years ago
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Which lines, if any, must be parallel based on the given information? Justify your conclusion.
77julia77 [94]
A must be parallel to b.

Proof:
∠3 = <span>∠13 (given)
</span>∠15 = <span>∠13 (vertically opposite angles are equal)
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3 years ago
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.
Sunny_sXe [5.5K]

The solutions of the equations are -1.3 and -7.7

Step-by-step explanation:

The quadratic formula of solving the quadratic equation

ax² + bx + c = 0, where a, b and c are constant is:

x=\frac{-b+-\sqrt{b^{2}-4ac}}{2a}

To solve the quadratic equation by using the quadratic formula

1. Find the values of a , b and c from the equation

2. Substitute the values of a , b and c in the quadratic formula

3. Find the two values of x

∵ x² + 9x + 10 = 0

∴ a = 1 , b = 9 and c = 10

∵ x=\frac{-9+\sqrt{(9)^{2}-4(1)(10)}}{2(1)}

∴ x=\frac{-9+\sqrt{81-40}}{2}

∴ x=\frac{-9+\sqrt{41}}{2}

∴ x = -1.3

∵ x=\frac{-9-\sqrt{(9)^{2}-4(1)(10)}}{2(1)}

∴ x=\frac{-9-\sqrt{81-40}}{2}

∴ x=\frac{-9-\sqrt{41}}{2}

∴ x = -7.7

The solutions of the equations are -1.3 and -7.7

Learn more:

You can learn more about quadratic equation in brainly.com/question/8196933

#LearnwithBrainly

6 0
4 years ago
Which property of real numbers is illustrated by the equation 52+(27+35= (52+27) +36?
Wittaler [7]
The answer is b associative property
6 0
3 years ago
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