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tino4ka555 [31]
2 years ago
5

A submarine traveled to St. Vincent and

Mathematics
2 answers:
liq [111]2 years ago
8 0

Answer:

8 hrs to get there    (  12   hrs to get back)

Step-by-step explanation:

rate * time = distance      distance is the same for both trips

15 km/hr * (t-4)   = 10 ( t)

15t - 60 = 10 t

5t = 60

t = 12  

  t-4 = 8  hrs      

Charra [1.4K]2 years ago
6 0

Answer:

how much is 3 dollars

Step-by-step explanation:

how much is 3 dollars and 3 quarters and two dimes and 1 penny

You might be interested in
Which are true or false
Savatey [412]

we are given

y=19.75x

Here,

y is the number of gallons of water in the pool

x is the number of minutes the truck has been filing the pool

now, we will verify each options

option-A:

When x=1

then y=19.75

so, for 1 minute , number gallons =19.75

so, this is FALSE

option-B:

Since, we have

y=19.75x

It is similar to equation of line

y=mx+b

But b=0

It means that it passes through origin

so, this is TRUE

option-C:

y=19.75x

we can compare it with

y=mx

where m is the rate

so, we get

m=19.75

while we are given

the water in swimming pool increase about 100 gallons by every 5 minutes

so, we get rate as

m=\frac{100}{5} =20 gallons per minute

this is close to 19.75

so, they are approximately equal

so, this is TRUE

option-d:

x-value and y-value will show relationship

and ratio will always be constant or equivalent

because it has linear relationship

so, this is TRUE

option-e:

We need to check

(8,150) ..so, x=8 and y=150

we can plug this in our equation

and we get

150=19.75\times 8

150=158

Since, left side is not equal to right side

so, this can not be point

so, this is FALSE


5 0
3 years ago
Als 3. Determine ir 12:16 and<br> d 72:96 are equivalent ratios.
Gnoma [55]

Answer:

YES

Step-by-step explanation:

I'll start with 72/12

= 6

6 is does not have any decimals,

Therefore YES

5 0
2 years ago
Ollie and 5 of his friends are going bowling. The cost for each of them is $12.30. How could you mentally go about finding the t
nika2105 [10]

Answer:

The answer is 73.8

Step-by-step explanation:

Just multiply 12.30 by 6 5 friends and olly

4 0
2 years ago
Read 2 more answers
The state of New Mexico is piloting a new program that the governor hopes will increase the proportion of people who regularly g
elena-s [515]

Answer:

H0: p1=p2    against the claim Ha: p1≠p2

Step-by-step explanation:

Here the proportion of the people going for medical checkup before the program is p1= 0.76

The proportion of the people going for medical checkup after the program is p2= 686/880=0.78

Our null and alternate hypothesis will be

H0: proportion of the people going for medical checkup before the program <u>is equal </u>to the proportion of the people going for medical checkup after the program

against the claim

Ha:  proportion of the people going for medical checkup before the program <u>is not equal </u>to the proportion of the people going for medical checkup after the program

Mathematically this can be written as

H0: p1=p2    against the claim Ha: p1≠p2

8 0
3 years ago
Complete the comparison: 5+4=?
atroni [7]
It could be 
5 + 4 = 3 squared, or
5 + 4 = 3 x3
4 0
3 years ago
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