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3 years ago

V=lwh (solve for w)

Mathematics

1 answer:

balandron [24]3 years ago

4 0

V/lh=w
Hope this helps you

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I dont undertand perfect square trinomials

AlexFokin [52]

Answer:

$(3x-5)(3x-5)$

Step-by-step explanation:

$(3x-5)(3x-5)=(3x-5)^2$

4 0

2 years ago

Let $r$ and $s$ be the roots of $3x^2 + 4x - 12 = 0.$ Find $r^2 + s^2.$

Paul [167]

We can factorize the quadratic as

$3x^2 + 4x - 12 = 3 (x - r) (x - s)$

and expand the right side to get

$3x^2 + 4x - 12 = 3x^2 - 3(r + s) x + 3rs$

$\implies r + s = -\dfrac43 \text{ and } rs = -4$

Then we find

$(r + s)^2 = r^2 + 2rs + s^2 \implies r^2 + s^2 = \left(-\dfrac43\right)^2 - 2(-4) = \boxed{\dfrac{88}9}$

8 0

2 years ago

A boat traveled 37 miles in 2 hours. At this rate, how many miles will the boat travel in

Inessa [10]

Answer:

i. The boat will travel 18.5 miles in one hour

ii. The boat will travel 9.25 miles in half an hour

iii. The boat will travel 27.75 miles in one and a half hours

Explanation:

We are given that the boat travel 37 miles in 2 hours

To get the miles traveled, we can simply use cross multiplication

i. Miles traveled by the boat in one hour:

37 miles .....................> 2 hours

x miles ........................> 1 hour

$x = \frac{37*1}{2}=18.5$ miles

ii. Miles traveled in half an hour:

37 miles .....................> 2 hours

x miles ........................> 0.5 hour

$x = \frac{37*0.5}{2}=9.25$ miles

iii. Miles traveled in an hour and a half:

37 miles .....................> 2 hours

x miles ........................> 1.5 hour

$x = \frac{37*1.5}{2}=27.75$ miles

Hope this helps :)

8 0

3 years ago

12345678910

wolverine [178]

Answer:

Add 5x + 3

Ans:-6x equal to 8x

7 0

3 years ago

Tanya wants to find out the favorite sport of students

Molodets [167]

Answer:

Yes

Step-by-step explanation:

This is biased because the girls on the soccer team are on the soccer team because they like soccer.

6 0

2 years ago

V=lwh (solve for w)​

V=lwh (solve for w)