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3 years ago

Josef ate 1/4 a pizza in 1/2 an hour. How much pizza would Josef eat in one hour?

1 answer:

7 0

1/2 of the pizza is eaten in an hour. To get from 1/2 an hour to 1 hour, you multpily by 2. Multiply 1/4 by 2 to get 1/2.

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Given right triangle ABCABC with altitude \overline{BD}

Alex

Answer:

$x = 2\sqrt{11}$

Step-by-step explanation:

AD = 4

AC = 11

DC = 11 - 4 = 7

First, find BD using the right triangle altitude theorem:

$BD = \sqrt{AD*DC}$

Plug in the values

$BD = \sqrt{4*7}$

$BD = 2\sqrt{7}$

Use pythagorean theorem to find x:

x² = AD² + BD²

Plug in the values

$x^2 = 4^2 + (2\sqrt{7})^2$

$x^2 = 16 + (4*7)$

$x^2 = 16 + 28$

$x^2 = 44$

Take the square root of both sides

$\sqrt{x^2} = \sqrt{44}$

$x = \sqrt{44}$

$x = \sqrt{4 * 11}$

$x = 2\sqrt{11}$

6 0

3 years ago

Read 2 more answers

Which distance measures 7 units?

GrogVix [38]

Answer:

M to P

Step-by-step explanation:

It goes 7 hops from -1 to 6

3 0

2 years ago

Brianna is getting materials for a chemistry experiment.her teacher give her a container that has 0.15 liter of a liquid in it .

Yanka [14]

0.15-0.4 = - 0.25

Your answer is -0.25!!!☺☻☺☻

7 0

3 years ago

Read 2 more answers

Write the equations in graphing form, then state the vertex of the parabola or the center and radius of the circle.

Sati [7]

All we need is to put this form in the vertex form f(x) = (ax+b)^2 + c

So we have f (x)= 3x^2+12x+11 ....

Let's complete the square (if you aware of it)

f(x)= 3x^2+12x+11 = 3(x^2+4x)+11 = 3(x^2+4x+4-4)+11
= 3([x^2+4x+4]-4)+11 = 3[(x+2)^2-4]+11 =3(x+2)^2 - 12 +11 = 3(x+2)^2 -1

so our form would be:

$f(x)=3(x+2)^2-1$

Here is a parabola with vertex of (-2,-1) and with positive slope (concave up)

I hope that helps!

6 0

3 years ago

Can someone help me with this question.

Korolek [52]

Answer:

lesser x = -4

greater x = 1

Step-by-step explanation:

here's the solution :-

=》

${x}^{2} + 3x - 4 = 0$