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3 years ago

An angle less than 90 degrees

Mathematics

1 answer:

OverLord2011 [107]3 years ago

5 0

Answer:

Acute Angle

Step-by-step explanation:

Obtuse Angle is greater than 90 degrees

Right Angle is exactly 90 degrees

Acute Angle is less than 90 degrees

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Chad had 30 dollars to spend on 3 gifts. He spent 9 dollars on gift A and 6

myrzilka [38]

Answer:

Chad had 15 dollars left for gift C.

Step-by-step explanation:

Given:

Chad had total amount = 30 dollars.

Amount spend on gift A = 9 dollars.

Amount spend on gift B = 6 dollars.

To Find:

Amount Left for gift C = ?

Solution:

Total Amount = 30 dollars.

Total number of gifts = 3 i .e Gift A, Gift B , Gift C.

Total amount spend for Gift A and Gift B = Amount spend on gift A + Amount spend on gift B

∴ Total amount spend for Gift A and Gift B = 9 + 6

∴ Total amount spend for Gift A and Gift B = 15 dollars.

Now,

Amount Left for Gift C = Total Amount - Total amount spend for Gift A and Gift B.

∴ Amount Left for Gift C = 30 - 15

∴ Amount Left for Gift C = 15 dollars

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3 years ago

Channing jogs 10 miles a week. How many miles will she jogot in 52 weeks?

Alborosie

It might me this.. 10 * 52 = 520

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3 years ago

What fraction of 3 liters is 800 ml?

Alex

Reduced it will be 3/4 your welcome ":)

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3 years ago

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9 + 10? I'm 5 years old idk what I'm using buh fu

just olya [345]

The answer is 19. Hopefully this helps

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The hypotenuse of a right triangle is 24 ft. long. the length of one leg is 44 ft. more than the other. find the lengths of the

Mekhanik [1.2K]

The way to solve the missing side of a right triangle is normally by the Pythagorean Theorem:
${a}^{2} + {b}^{2} = {c}^{2} \\ {a}^{2} = {c}^{2} - {b}^{2} \: \infty \: \sqrt{ {a}^{2} } = \sqrt{( {c}^{2} - {b}^{2}) } \\ a= \sqrt{( {c}^{2} - {b}^{2}) }$
where c always is the hypotenuse
So c = 24 ft
b = 44 + a
${a}^{2} + {b}^{2} = {c}^{2} \\ {a}^{2} + {(a + 44)}^{2} = {24}^{2} \\ {a}^{2} + {a}^{2} + 88a + 1936 = 576$
Now combine like terms:
$2{a}^{2} + 88a + 1936 = 576 \\ 2{a}^{2} + 88a + 1936 - 576 = 0 \\ 2{a}^{2} + 88a + 1360 = 0$
Now we have to try to factor this quadratic equation, first let's take out 2:
$2({a}^{2} + 44a + 680) = 0$
we need factors of 680 whose sum = 44
20×34, 10×68, 17×40
however... 20+34=54, 10+68=78, 17+40=57
So we will need to use the quadratic equation unfortunately :(
$x = ( - b + - \sqrt{( {b}^{2} - 4ac)}) \div 2a$
Now the "x" is actually our "a", the a is 1, b is 44, c is 680
$a = ( - 44 + - \sqrt{( {44}^{2} - 4(1)680)}) \\ \div \: 2(1) \\ a = ( - b + - \sqrt{(1936 - 2720)}) \\ \div \: 2$
$a = ( - 44 + - \sqrt{(-784)}) \\ \div \: 2 = - 44 \div 2 \: + - (i \sqrt{784}) \div 2 \\ a = - 22 + - i \sqrt{16} \sqrt{49} \div 2 \\$
$a = - 22 + - 28i \div 2 \\ a = - 22 + - 14i$
not quite sure where to go from these imaginary numbers...
I DON'T THINK A RIGHT TRIANGLE WITH THOSE DIMENSIONS IS POSSIBLE

8 0

3 years ago

An angle less than 90 degrees ​

An angle less than 90 degrees