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allsm [11]
3 years ago
10

How would you do this?

Mathematics
1 answer:
Goshia [24]3 years ago
6 0

Using the formula y=200+50x, plug in x=1 to get y=250.


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I need to find the surface area for this one pls help me
Alex

Step-by-step explanation:

so, you got the volume but don't know how to find the surface area ? that is strange for me. what's the problem ?

the surface of a cube or rectangular prism consists of 6 sides that split (for a rectangular prism) into 3 pairs of equal sides :

top and bottom

left and right

front and back

all we need to do is calculate the areas of these 6 rectangles and add them up. that's it.

in our case

top and bottom : 5×4 × 2 = 20×2 = 40 in²

left and right : 4×4 × 2 = 16×2 = 32 in²

front and back : 5×4 × 2 = 40 in²

so, in total, the whole surface area of the prism is

40 + 32 + 40 = 112 in²

4 0
1 year ago
WILL GIVE BRAINLIEST IF CORRECT!!<br> HELP PLS!!
bulgar [2K]

Answer:

the answer should be B

Step-by-step explanation:

7 0
2 years ago
Pls help meeeee :))))
valentinak56 [21]

Answer:

31.4 inches

Step-by-step explanation:

:))

6 0
3 years ago
Read 2 more answers
A map uses the scale of 3/4 of an inch to represent 3miles. If the
svp [43]

Answer: 6.25 inches

Step-by-step explanation: multiply 3/4 by 25 then divide the answer by 3

hope this helps and mark me brainliest if you can thank you

7 0
3 years ago
3. (6 Points). Solve the initial value problem y'-y.cosx=0, y(pi/2)=2e
Stells [14]

Answer:

y=2e^{sin(x)}

Step-by-step explanation:

Given equation can be  re written as

\frac{\mathrm{d} y}{\mathrm{d} x}-ycos(x)=0\\\frac{\mathrm{d} y}{\mathrm{d} x}=ycos(x)\\\\=> \frac{dy}{y}=cox(x)dx\\\\Integrating  \\ \int \frac{dy}{y}=\int cos(x)dx \\\\ln(y)=sin(x)+c............(i)

Now it is given that y(π/2) = 2e

Applying value in (i) we get

ln(2e) = sin(π/2) + c

=> ln(2) + ln(e) = 1+c

=> ln(2) + 1 = 1 + c

=> c = ln(2)

Thus equation (i) becomes

ln(y) = sin(x) + ln(2)

ln(y) - ln(2) = sin(x)

ln(y/2) = sin(x)

y= 2e^{sinx}

7 0
3 years ago
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