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LuckyWell [14K]
2 years ago
6

I don’t know what this is I took a picture of it here.

Mathematics
1 answer:
IRISSAK [1]2 years ago
4 0
Function a: exponential function
Function b: linear function
Function c: exponential function
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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
Does anyone know what graph is correct?
VashaNatasha [74]

First graph is the correct one.

when x= 1

y=f(x) = -√1 = -1

when x= 2

y= -√2

6 0
3 years ago
Read 2 more answers
How to divide a whole number by a whole number, keep change flip? example 3 divided by 6.
adell [148]

Answer:

Step-by-step equation

Divide the whole numbers and check the answer using multiplication identify and apply to division properties of one identify and apply the division properties of zero use Long division algorithm to divide digit numbers Gentefied the divisor and remainder in a division problem

7 0
2 years ago
Becky says that when she simplifies the following expression, the value is 6 less than her age. What is Becky's age? (7+11) - 8÷
Hitman42 [59]
(7+11) is 18, (8/2) is 4, 18-4 is 14! If this expression is 6 less than her age, she would be 20!
6 0
2 years ago
7th grade math I need some help
brilliants [131]

Answer:

$33.60

Step-by-step explanation:

First we take 80% of $40.

1. $40 * 0.80 = $32

Next we take 105% of $32.

2. $32 * 1.05 = $33.60

4 0
3 years ago
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