3 years ago

A little help? we're supposed to find x on these triangles and i'm a little stumped on this

Mathematics

1 answer:

hjlf3 years ago

3 0

Answer:

147

Step-by-step explanation:

The other two options would be more closed and since this angle is open, it is the larger one.

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A ball is thrown in the air from a ledge. Its height in feet is represented by f(x) = –16(x2 – 5x – 6), where x is the number of

Oduvanchick [21]

The ball takes 6 seconds to reach the ground.

Explanation

Height of the ball after $x$ seconds is represented by....

$f(x)= -16(x^2 -5x-6)$

The height of the ball is 0 feet when it hits the ground. So, for finding the number of second the ball takes to reach the ground, we will just plug $f(x)=0$ into the above equation and then solve for $x$ .

Thus...

$0=-16(x^2-5x-6)\\ \\ x^2-5x-6=0\\ \\ (x-6)(x+1)=0$

Using zero-product property....

$x-6=0\\ x=6$

and

$x+1=0\\ x=-1$ (Negative value is ignored as time can't be negative)

So, the ball takes 6 seconds to reach the ground.

4 0

3 years ago

Read 2 more answers

Stephanie make $6.60 an hour plus tips working at a restaurant on a particular day she works eight hours and made 78.80. Write a

vovangra [49]

$6.60 \times 8 = 52.8 \\ 78.80 - 52.8 = 26$

She made $26 on tips

Equation: 78.80=6.60(8)+t

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3 years ago

During the first 3 months of opening a cupcake shop, Kanya had 3,000 customers. After 10 months from opening, she had 800 custom

Leviafan [203]

Answer:ok the answer is

Step-by-step explanation:

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8 0

3 years ago

kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes d

jasenka [17]

Im not sure but I would think you would divide 75 by .15. That would get you 500. So 500 minutes would be your answer.

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3 years ago

Find the intercepts for the graph of the equation given. X +7y=0

Citrus2011 [14]

Answer:

They are both (0,0)

The x intercept is when y is equal to zero.

VICE VERSA

x + 7(0) = 0

(0) + 7y = 0

Hope this helps!!!

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3 years ago