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Sergeeva-Olga [200]
2 years ago
10

Marcus want to determine how much water I'd needed to fill his pool. What measurement does he need to find?

Mathematics
2 answers:
Brums [2.3K]2 years ago
7 0

Answer:

b the volume of the pool

Step-by-step explanation:

ifunny is dankreloaded

n200080 [17]2 years ago
6 0

Answer:

Answer should be b the volume

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When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f
nasty-shy [4]

Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

<u>With the current (current helps):</u>

Distance = 10 km

Time = 2 hours

Rate = x + y km/h

10=2(x+y)

<u>Against the current:</u>

Distance = 8 km

Time = 2 hours

Rate = x - y km/h

8=2(x-y)

Divide both equations by 2:

x+y=5\\ \\x-y=4

Add these equations:

x+y+x-y=5+4\\ \\2x=9\\ \\x=4.5\ km/h

Subtract these two equations:

(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h

4 0
2 years ago
Find the remainder when (x3 – 2) is divided by (x – 1). what is the remainder?
KengaRu [80]
By remainder theorem:

f(x) = x³ - 2

factor, x - 1 = 0

x = 1,

Remainder = f(1)

f(x) = x³ - 2

f(1) = 1³ - 2 = 1 - 2 = -1.

Hence remainder is = -1.
5 0
3 years ago
Read 2 more answers
Triangles QVS and RTS are similar. Find side VS
maxonik [38]

ΔQVS is similar to ΔRTS

.

<u>Solve x:</u>

\dfrac{10}{6}  = \dfrac{x}{8}

6x = 80

x = 40/3

x = 13 1/3

.

Answer: x = 13 1/3

5 0
3 years ago
Read 2 more answers
(y+6)^2-(y-2)^2 <br><br> I got 16y+26 but it is wrong?
Gemiola [76]

Answer:

16y + 32

Step-by-step explanation:

Expand each term.

(y+6)² - (y-2)²

= (y+6)(y+6) - (y-2)(y-2)

= y² + 12y + 36 - (y² - 4y + 4)

Subtract the second group by changing each term's signs

= y² + 12y + 36 - y² + 4y - 4

Collect like terms

= 16y + 32

5 0
3 years ago
Help me!<br> what is the domain or range?
Lapatulllka [165]
Domain is [-10,∞) 
2 is included , only at x=2 new function begins
Range is the values of y , so range  is [-7]∪[-4,6
I think, it should be  like this.
5 0
3 years ago
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