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4 years ago

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The table below shows an inequality and a number by which to multiply both sides. Inequality Multiply each side by Negative 2 le

ss-than 3 Negative 5 What is the resulting true inequality?

1 answer:

Nadya [2.5K]4 years ago

5 0

Answer:

the answer is basicly D

also here is a cool keyboard emoji

t(*-*t) lol

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A(5 1) b(1 5) and c(-3 -1) are the vertices of triangle abc. find the LENGTH of median ad

faltersainse [42]

Answer:

$\text{Length of median AD}=\sqrt{37}$

Step-by-step explanation:

We are given the vertices of triangle ABC. We need to find the length of median AD.

Please see the attachment for figure.

D is mid point of BC because median bisect the opposite side of triangle.

Using the formula of mid point. we get coodrinate of D

$\text{Mid Point :}\left ( \frac{x_1+x_2}{2},\frac{y_1+y_2}{2} \right )$

D is mid point of B(1,5) and C(-3,-1)

$\therefore D \left ( \frac{1-3}{2},\frac{5-1}{2} \right )\Rightarrow (-1,2)$

AD is median of triangle ABC. Now we find length of median AD using distance formula of two coordinate.

$\text{Distance }=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

A(5,1) and D(-1,2)

$AD=\sqrt{(5+1)^2+(1-2)^2}\Rightarrow \sqrt{36+1}$

$\text{Length of median AD}=\sqrt{37}$

Thus, $\text{Length of median AD}=\sqrt{37}$

8 0

3 years ago

Integrate f(x,y,z)=20xz over the region in the first octant (x,y,z≥0) above the parabolic cylinder z=y2 and below the paraboloid

vodomira [7]

$\displaystyle\iiint_Vf(x,y,z)\,\mathrm dV=20\int_{x=0}^{x=2}\int_{y=0}^{y=2}\int_{z=y^2}^{z=8-2x^2-y^2} xz\,\mathrm dz\,\mathrm dy\,\mathrm dx=\dfrac{1280}3$

4 0

3 years ago

Read 2 more answers

What is the value of x?<br> -5x – 2 = -13

Phantasy [73]

Answer:

2.20

Step-by-step explanation:

So add +2 both sides that cancels 2 and that makes it -11.00 now divide it by -5 and x is by itself

So when you divide it x=2.20

Hope that helps

8 0

3 years ago

Read 2 more answers

Ivanshal [37]

I guess

$48 - 18$

$30$

$i \: hope \: it \: helps \: mate$

$enjoy \: your \: \: day$

#Captainpower:)

8 0

3 years ago

Read 2 more answers

How can I prove mathematically that (a / b) + (c / d) = (ad + bc) / bd

wlad13 [49]

Step-by-step explanation:

(a/b) + (c/d)

Find the common denominator. In this case, bd. So multiply the first fraction by d/d, and the second fraction by b/b.

(ad)/(bd) + (bc)/(bd)

Add the fractions.

(ad + bc) / (bd)

7 0

3 years ago