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Nitella [24]
3 years ago
15

1. A rectangular prism and its dimensions are shown in the

Mathematics
1 answer:
yawa3891 [41]3 years ago
7 0

Answer:

102.16

Step-by-step explanation:

2(2*3.4+2*8.2+3.4*8.2)=102.16

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Please help quick!!<br>​
Nataly [62]

Hi !

∫ \frac{t}{t + 1}dt

We need to prove that it is equal to

∫ \frac{u - 1}{u}du

As per given options, Substitute <em>u</em> by <em>t</em><em>+</em><em>1</em><em> </em>

=  > ∫ \frac{u - 1}{t + 1} du

<em>Then</em><em> </em><em>given</em><em> </em><em>t</em><em> </em><em>=</em><em> </em><em>u</em><em>-</em><em>1</em>

=  > ∫ \frac{t}{t + 1} du

Then substitue the third given value also

=  > ∫ \frac{t}{t + 1} dt

Therefore, it's <u>proved</u>

~<em>Hop</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em>

7 0
2 years ago
URGENT NEED HELP
Gelneren [198K]

Emma:

Number of hours = 4

Total cost = 18

Where x is the cost per hour n and y is the flat fee

18 = 4x + y

Louise:

number of hours = 7

total cost = 25.50

25.50 = 7x + y

We have the system of equation:

18 = 4x + y

25.50 = 7x + y

Solve the first equation for y

18-4x = y

y = 18-4x

Replace y on the second equation; and solve for x

25.50 = 7x + (18-4x)

25.50 = 7x + 18 -4x

25.50 = 3x + 18

25.50 - 18 = 3x

7.5 = 3x

7.5/3 = x

2.5 = x

a. Cost per hour = $2.5

Now, replace x on any equation and solve for y

18 = 4x + y

18 = 4 (2.5) + y

18 = 10 +y

18 - 10 = y

8 = y

b. Flat fee = $8

c. Use the equation:

Cost = flat fee + cost per hourx (number of hour)

Cost = 8 + 2.5 (2)

Cost = 8 + 5 = $13

5 0
3 years ago
Charmaine is participating in a 6-day cross-country biking challenge. She biked for 46,63, 54, 70, and 60 miles on the first fiv
Marina86 [1]

Answer:

61 miles.

Step-by-step explanation:

For to get a mean of 59 the total miles must be 6 * 59 = 354.

Total for 5 days =  46+63+54+70+60 = 293

So on te last day she must bike 354-293 = 61 miles.

6 0
3 years ago
If v = 35 , a = 4 , t = 5 and v = u + a t , evaluate u .
Llana [10]

v = u + at

=> 35 = u + (4×5)

=> 35 = u + 20

=> 35 - 20 = u

=> 15 = u

4 0
4 years ago
Read 2 more answers
A gas tank can hold 12 gallons of gas. The equation p(g) = 3.5g gives the amount of money it costs when filling the tank with ga
erica [24]

Answer: 12/4=3 so it would be 12(6)=3.5

Step-by-step explanation:

3 0
3 years ago
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