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Alex17521 [72]
2 years ago
5

Find the volume of a rectangular prism with the following dimension 2cm by 3cm by 4cm

Mathematics
2 answers:
Dafna11 [192]2 years ago
8 0

Answer:

24 cm³

Step-by-step explanation:

V = LWH = 2 × 3 × 4 cm³ = 24 cm³

soldi70 [24.7K]2 years ago
5 0
24 cm

Explanation:

The formula for this volume is length x width x height, so you do 2 x 3 x 4.
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After 2 hours, Ernie had travelled 192 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?
Marysya12 [62]

Answer:

the answer is "480"

Step-by-step explanation:

so 192 divided by 2 hours is 96 so thats 96 miles per hour then I simply do 96 x 5 hours

4 0
3 years ago
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3) Solve each equation using the quadratic formula. Show<br> a. x2 – 3x – 10 = 0
Naya [18.7K]

Answer:

<h2>x = -2 or x = 5</h2>

Step-by-step explanation:

The quadratic formula of a quadratic equation

ax^2+bx+c=0\\\\\text{If}\ b^2-4ac>0\ \text{then the equation has two solutions}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{If}\ b^2-4ac=0\ \text{then the equation has one solution}\ x=\dfrac{-b}{2a}

\text{If}\ b^2-4ac

We have:

x^2-3x-10=0\to a=1,\ b=-3,\ c=-10\\\\b^2-4ac=(-3)^2-4(1)(-10)=9+40=49>0\\\\x=\dfrac{-(-3)\pm\sqrt{49}}{2(1)}=\dfrac{3\pm7}{2}\\\\x=\dfrac{3-7}{2}=\dfrac{-4}{2}=-2\\or\\x=\dfrac{3+7}{2}=\dfrac{10}{2}=5

5 0
3 years ago
How do I solve this?
bulgar [2K]

Answer:

I think you should try the method of substitution???

5 0
3 years ago
Billy has some nickels and dimes worth $3.25. He has 3 times as many nickels as dimes. How many nickels does he have?
geniusboy [140]

3d=n

10d+5n=325

10d+15d=325

25d=325

d=13

n=39

Hope this helps.

頑張って!

5 0
3 years ago
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Prove ABCD is a parallelogram by showing both pairs of opposite sides are parallel. please Show All Work! Thanks!!
nadezda [96]

Answer:

Here You Go! I'm not really sure about this one but i tried.

Step-by-step explanation:

7 0
2 years ago
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