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2 years ago

Help me please? Find area!!! Please

Mathematics

2 answers:

Allushta [10]2 years ago

8 0

Answer:

21.32

Step-by-step explanation:

42.64/2=21.32

nikklg [1K]2 years ago

4 0

21.32 because the formula for area of triangle is (length x width) /2

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I need help on the rest before I go to cheer

RideAnS [48]

For number 12 the answer is 15.36

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3 years ago

How many times does the equation f(x)=2x^2+9x-5 intersect the x-axis

Komok [63]

Answer:

Step-by-step explanation:

f(x)=2x^2+9x-5

When we are find how many times it intersects the x axis, we are finding the zero's. Set the equation equal to zero

0=2x^2+9x-5

Factor the equation

0 = (2x+1) (x-5)

2*1

1*-5 = -5

2*-5 +1*1 = -9

This checks for the first last and middle terms so we factored correctly

Then using the zero product property

2x+1 = 0 and x-5 =0

2x = -1 x=5

x = -1/2 and x=5

This function crosses the x axis 2 times

8 0

2 years ago

9 times x, divided by 4

snow_lady [41]

Answer:

$\frac{9x}{4}$

7 0

2 years ago

In a recent? year, person A and person B had two concert? tours, and together they generated $ 192.9 million in ticket sales. If

Nuetrik [128]

Answer: Person A generates 107.6 millions and person B generates 85.3 millions.

Step-by-step explanation:

Let 'x' millions be the amount generated by person A then the amount generated by person B be 'x-22.3' millions.

Since they both earn together $192.9 millions.

So according to the our assumptions we have,

$x+x-22.3=192.9\\\Rightarrow\ 2x=192.9+22.3\\\Rightarrow\ 2x=215.2\\\Rightarrow\ x=107.6$

Therefore, the amount generated by person A=107.6 millions

And the amount generated by person B= 192.9 millions - 107.6 millions

=85.3 millions

6 0

2 years ago

I really had some trouble with this problem:( & I need some help

Natasha_Volkova [10]

The answers are in the photo

7 0

1 year ago