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1 year ago

WILL GIVE BRAINLIEST find the equation of the axis of symmetry for the parabola y= -x^2-5x

Mathematics

1 answer:

timama [110]1 year ago

6 0

Answer:

The axis of symmetry is $-\frac{5}{2}$ .

Check the degree of your polynomial
Plug your numbers into the axis of symmetry formula
Write down the equation of the axis of symmetry

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Choose the missing step in the given solution to the inequality −x − 10 > 14 + 2x. −x − 10 > 14 + 2x −3x − 10 > 14 ____

Tresset [83]

Answer:

−3x > 24

Step-by-step explanation:

Adding 10 to both sides of the inequality will give the missing step:

-3x -10 +10 > 14 +10

-3x > 24

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3 years ago

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It costs 19 dollars for 3 t-shirts. W hat is the cost of 4 t-shirts

Karo-lina-s [1.5K]

Answer:

4 shirts will cost about 25.32

Step-by-step explanation:

First, You can divide 19/3 and this will give you 6.33 repeating.

Next, you will assume that one shirt would cost $6.33.

Finally, Multiply by 4 to get the amount of four shirts.

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2 years ago

Harper plans to purchase her school pictures. The prints cost $108 plus any add-ons she wants to purchase. If she saves $18 per

Lemur [1.5K]

Answer:

It will take 6 weeks

Step-by-step explanation:

Weeks = x

$18x = $108

X = $108/$18

X = 6

So 6 weeks

4 0

2 years ago

Use cylindrical coordinates. evaluate x dv e , where e is enclosed by the planes z = 0 and z = x + y + 10 and by the cylinders x

gizmo_the_mogwai [7]

In cylindrical coordinates,

$\begin{cases}x(X,Y,Z)=X\cos Y\\y(X,Y,Z)=X\sin Y\\z(X,Y,Z)=Z\end{cases}\implies\mathrm dV=\mathrm dx\,\mathrm dy\,\mathrm dz=X\,\mathrm dX\,\mathrm dY\,\mathrm dZ$

Then the integral is

$\displaystyle\iiint_Ex\,\mathrm dV=\int_{Y=0}^{Y=2\pi}\int_{X=4}^{X=6}\int_{Z=0}^{Z=X\cos Y+X\sin Y+10}X\cos Y\times X\,\mathrm dZ\,\mathrm dX\,\mathrm dY$
$=\displaystyle\int_{Y=0}^{Y=2\pi}\int_{X=4}^{X=6}(10X^2\cos Y+X^3\cos^2Y+X^3\cos Y\sin Y)\,\mathrm dX\,\mathrm dY$
$=\displaystyle\int_{Y=0}^{Y=2\pi}\left(\dfrac{1520}3\cos Y+260\cos^2Y+260\cos Y\sin Y\right)\,\mathrm dY=260\pi$

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3 years ago

Can somebody please help me with this & show work ?? :)

harkovskaia [24]

Answer:

s = 116°, q and t are 64°

Step-by-step explanation:

isoceles so r and s are the same and q and t are the same. therefore q and t are 180-116 = 64

5 0

3 years ago