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Zarrin [17]
2 years ago
11

I will mark brainliest!!! Please show work

Mathematics
1 answer:
asambeis [7]2 years ago
3 0
9950x=8650x+250000
Subtract 8650x from both sides
1300x= 250000
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Find the least number of cuboids of sides 20 cm 15 cm and 9cm required to make a perfect cube​
NikAS [45]

Answer:

<em>No. of cuboids required to form a cube = 2*2*5 = 20 Therefore, 20 cuboids will be required to form a cube.</em>

4 0
2 years ago
Find the inner product for (-4,9,8) . (3,2,-2) and state whether the vectors are perpendicular.
drek231 [11]

Answer:

-10; no

Step-by-step explanation:

<h2>-4*3 + 9*2 + 8*-2 = -10</h2><h2></h2><h2>-10 does not equal 0 so it is not perpendicular</h2>

6 0
3 years ago
Ms Thomas drove at a constant rate for 45. She drove 39 miles during that time. If distance is determined by the equation d=rt w
Cerrena [4.2K]

Answer:

Ms. Thomas was driving at constant rate of 52 miles/hour.

Step-by-step explanation:

Given:

Total time to travel (t) = 45 minutes

Distance drove (d) = 39 miles

we need to find the constant rate in miles per hour at which she was driving.

Solution:

Now we know that;

We need to find constant rate at miles per hour;

But time is given in minutes.

So we will convert minutes into hour by dividing by 60 we get;

time t =\frac{45}{60}= 0.75\ hrs

Now we know that;

Distance is equal to rate times time.

framing in equation form we get;

distance d =rt

Or

rate r= \frac{d}{t} = \frac{39}{0.75}= 52 \ mi/hr

Hence Ms. Thomas was driving at constant rate of 52 miles/hour.

6 0
3 years ago
Identify this conic section.<br><br> 9x 2 + 4y 2 = 36
oksano4ka [1.4K]
Divide: 9x 2/36 - 4y 2/36 = 36/36. Simplify: x2/4 - y2/9 = 1. Then do (x-0) 2/4 - (y-0)2 =1. Hyperbola.
4 0
3 years ago
What is the answer to -7=-12 (-2)+B please help!
insens350 [35]
I would solve it for B, but that's just what I think. So you would do -12 time -2 which is 24, then subtract 24 from both sides so that you would get B=-31
8 0
3 years ago
Read 2 more answers
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