Tell whether 30 is divisible by 2,3,5,6 or 9

Answers

Answer 1

Answer:
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30 .

9 is not a factor of 30 .

Answer 2

Answer: 30/3=10
30/2=15
30/5=6
30/6=5
30/9=3.333333333333

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For what value of n is -5n = 7-5(n-5)-32

Answers

Answer:

-5n = 7 - 5(n - 5) - 32 is an identity, meaning it is true for all values of n.

Step-by-step explanation:

First, simplify the equation by distributing the -5 on the right side:

-5n = 7 - 5n + 25 - 32

Next, combine like terms on the right side of the equation:

-5n = (7 + 25) - (5n + 32)

-5n = 32 - 5n - 32

Now, notice that the terms "-5n" and "+5n" on the right side cancel each other out:

-5n = -5n

Since the left side is equal to the right side, the equation is true for all values of n. In other words, there is no specific value of n that satisfies the equation; it holds true for any value of n.

So, the equation -5n = 7 - 5(n - 5) - 32 is an identity, meaning it is true for all values of n.

£9.00 is shared between Amanda, Anita and Claire in the ratio of 8:5:2Amanda receives........
Anita receives........
Claire receives........

Answers

well, since the ratio is 8:5:2 you need 8 bits, then 5 bits then 2 bits. So 8+5+2=15, 9.00÷15=0.60, so 0.60=1 bit.
So for Amanda 0.60×8=4.80; for Anita 0.60×5=3.00 and for Claire 0.60×2=1.20
Amanda gets £4.80; Anita gets £3.00 and Claire gets £1.20.

To check your answer you add the money that was given to each individual together and if it equals the initial £9.00, then your answer is correct, you can also check this by seeing who has the most money, the person with the highest number should have the highest amount of money.

£9.00 is shared between Amanda, Anita and Claire in the ratio of 8:5:2
Amanda receives 9*(8/(8+5+2)) = 9*8/15 = £4.8
Anita receives 9*(5/(8+5+2)) = 9*5/15 = £3
Claire receives 9*(2/(8+5+2)) = 9*2/15 = £1.2

At the deli, Alberto paid $24.33 for 7.4pounds of sliced ham. What was the
price of one pound of sliced ham?

Answers

Answer:

About $3.28

Step-by-step explanation:

Divide 24.33 by 7.4

Answer:

3.28783783784...

Step-by-step explanation:

You're description could turn into 24.33 : 7.4.

You turn 7.4 into 1, and divide 7.4 / 1.

(It is 7.4)

Then, you divide 24.33 / 7.4.

It is 3.28783783784.......

or, If you want you're answer close to an natural number, It is 3.

For the following 9 scores ---1, 2, 13, 5, 4, 7, 9, 2, 2 what is the mean?

Answers

Answer:

mean = 5

Step-by-step explanation:

the mean is calculated as

mean = $(sum)/(count)$ = $(1+2+13+5+4+7+9+2+2)/(9)$ = $(45)/(9)$ = 5

N+5/16=-1 what is the answer?

Answers

$(n+5)/(16)=-1$

$n+5=-16$

$n=-21$

if this is (n+5)/16 = -1, then the answer is -21. if this is n + (5/16) = -1, then the answer is -(21/16)

alan participated ina car race in which he had to cover a distance of at least 50 kilometers. he had fuel in his car for a maximum distance of 53 kilometers. if the distance is given by S (t) = 3t + 47, where t is the time in hours, find the minimum and maximum number of hours for which alan can drive his car.

Answers

This problem has more holes than swiss cheese.

ASSUME that the time he drives only depends on the distance he covers,
and has nothing to do with his speed or how he drives.

The race rules say he has to cover at least 50 km,
so the minimum time he can drive is the solution to
[ 50 = 3t + 47 ]
Subtract 47 from each side:
3 = 3t
Divide each side by 3 :
1 = t minimum

He has fuel for exactly 53 km, so the maximum time
he can drive is the solution to
[ 53 = 3t + 47 ]
Subtract 47 from each side :
6 = 3t
Divide each side by 3 :
2 = tmaximum

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Assume that 70% of the cars on a particular freeway are traveling faster than 70 miles per hour. A random sample of 8 cars was observed under normal driving conditions with no police car in sight. What is the probability that 7 or more of them were going faster than 70 miles per hour? A. 0.55 B. 0.30 C. 0.20 D. 0.26 E. 0.49

Ray is purchasing a laptop that is on sale for 25% off. He knows the function that represents the sale price of his laptop is c(p) = 0.75p, where p is the original price of the laptop. He also knows he has to pay 8% sale's tax on the laptop. The price of the laptop with tax is f(c) = 1.08c, where c is the sale price of the laptop.Determine the composite function that can be used to calculate the final price of Ray's laptop by solving for f[c(p)]. f[c(p)] = 1.83p f[c(p)] = 1.83cp f[c(p)] = 0.81p f[c(p)] = 0.81cp

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