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Alik [6]
2 years ago
10

Solve rs + t = u for the variable s

Mathematics
1 answer:
Fiesta28 [93]2 years ago
5 0

Answer:

s=\frac{u}{r} -\frac{t}{r}

Step-by-step explanation:

You have to move the variables (r and t) with u to isolate s.

rs+t=u

   -t       -t

------------------------

rs=u-t

÷ r       ÷ r

------------------------

s=\frac{u}{r} -\frac{t}{r}

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Please answer this correctly
Serggg [28]

Answer:

502 m²

Step-by-step explanation:

We require to find b before calculating the surface area.

The volume (V) of a cuboid is calculated as

V = lbh ( l is length, b is breadth and h is height )

Here V = 510, l = b, b = 10 and h = 3, thus

b × 10 × 3 = 510

30b = 510 ( divide both sides by 30 )

b = 17

--------------------------

The opposite faces of a cuboid are congruent, thus

top/bottom area = 2(17 × 10) = 2 × 170 = 340 m²

front/back area = 2(17 × 3) = 2 × 51 = 102 m²

sides area = 2(10 × 3) = 2 × 30 = 60 m²

Surface area = 340 + 102 + 60 = 502 m²

3 0
3 years ago
Did I get this correct? If not please help me!!!
OLga [1]

Answer:

I thinck u did get it write ....

Step-by-step explanation:

7 0
2 years ago
Help please thank youuu
adelina 88 [10]

Answer:

48

Step-by-step explanation:

8 0
2 years ago
Tabitha's mom is trying to decide between two plumber companies to fix her sink.
ohaa [14]

Answer:

the amount due for 3 hours would be $52 + ($34/hr)(3 hrs) = $154

Step-by-step explanation:

Write two equations, one for the total cost payable to Water R Us and another to Clogs:  

$52 + ($34/hr)t  =  $34 + ($40/hr)t, or

$18 = ($6/hr)t, which tells us that t = 3 (That's 3 hours).

At the time the charges from the two companies would be the same (3 hours into the job), the amount due for 3 hours would be

$52 + ($34/hr)(3 hrs) = $154

5 0
3 years ago
David drove 20 miles in 5 mins. Sean drove 45 miles in 9 mins. Who drove at a faster rate? Explain.
mars1129 [50]
Sean drove at a faster rate because if you divide each miles/minutes then it gives you how many miles per minute they drive. 20/5 is 4, and 45/9 is 5, and 5 is greater than 4.
6 0
2 years ago
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