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faust18 [17]
3 years ago
9

Please help me withthis its realy important that I get it right

Mathematics
2 answers:
Softa [21]3 years ago
7 0

Answer:

Option 3

Step-by-step explanation:

Savatey [412]3 years ago
5 0

Answer:

its option C

Step-by-step explanation:

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A boat took 5 h to travel 60 km up a river, against the current. The return trip took 3 h. Find the speed of the boat in still w
Dafna11 [192]

Answer:

Correct answer: V₁ boat = 16 km/h and V₂ current = 4 km/h

Step-by-step explanation:

If we take speed (velocity) of the boat as V₁ and speed of the current V₂

Let us form equations:

Traveling down the current  V₁ + V₂ = 60/3 = 20 km/h

Traveling against the current  V₁ - V₂ = 60/5 = 12 km/h

V₁ - V₂ = 12

V₁ + V₂ = 20

If we add up the left and right sides of the equations we get:

2 V₁ = 32  =>    V₁ = 32/2 = 16 km/h

from the second equation we get:

V₂ = 20 - V₁ = 20 - 16 = 4 km/h

V₂ = 4 km/h

God is with you!!!

8 0
3 years ago
A bottle of cranberry juice contains 32 fluid ounces and costs $2.56. What is the unit rate?
Tamiku [17]
Unit rate is (cost) per 1 unit
the unit is fluid oz
'per' is fraction
cost/1unit
so we do
2.56/32
divide completely
2.56/32=0.08/1
the unit rate is $0.08 per oz
6 0
3 years ago
Read 2 more answers
What is the quotient of the division below?<br><br> 96 divided by 3 =
egoroff_w [7]

Answer:

32

Step-by-step explanation:

96 divided by 3

A quick way to do it:

9 divided by 3 = 3

6 divided by 3 = 2

answer: 32

7 0
3 years ago
Read 2 more answers
R/5 - 6 = -1<br> r=1<br> r=5<br> r=10<br> r=25
posledela
R = 30   because r = 1,5,10,25
30/5+1=7
6+1=7
5 0
3 years ago
According to a poll, 80% of California adults (403 out of 506 surveyed) feel that education is one of the top issues facing Cali
fiasKO [112]

f(h(x))= 2x -21

Step-by-step explanation:

f(x)= x^3 - 6

h(x)=\sqrt[3]{2x-15}

WE need to find f(h(x)), use composition of functions

Plug in h(x)

f(h(x))=f(\sqrt[3]{2x-15})

Now we plug in f(x) in f(x)

f(h(x))=f(\sqrt[3]{2x-15})=(\sqrt[3]{2x-15})^3 - 6

cube and cube root will get cancelled

f(h(x))= 2x-15 -6= 2 x-21

6 0
3 years ago
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