How many positive intergers less than 25 are divisible by 2, 3, and 5?

Answers

Answer 1

Answer: Hello,

All numbers divisible by 2,3,5 are multiple of 2*3*5=30.
The only positive integer multiple of 30 less than 25 is 0.
(I don't know if in US 0 is considerated as positive) in my country yes.

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PLEASE HELP!!!! 1. The stem-and-leaf plot shows weights of dogs, in pounds, in a dog competition.

How many of the dogs weigh at least 50 lb?

Answers

1 Dog weighs 50lbs because in the stem and leaf plot it says there is a 50lbs dog and a 55lbs dog.

2^x+5 = 3^1-x use logarithms to solve the exponential equation. round answer to 3 decimal places.

Answers

$2^(x+5)=3^(1-x)\ \ \ \ \ /log_2()\n\nlog_22^(x+5)=log_23^(1-x)\n\nx+5=(1-x)log_23\n\nx+5=log_23-xlog_23\n\nx+xlog_23=log_23-5\n\nx(1+log_23)=log_23-5\ \ \ \ /:(1+log_23)$

$x=(log_23-5)/(1+log_23)\n-------------\nlog_23\approx1.5849625\n----------------\nx\approx(1.5849625-5)/(1+1.5849625)\approx-1.321$

2^x+5 = 3^1-x
take log on both sides
(x+5)log2=(1-x)log3
0.3010(x+5) = (1-x)0.4771
0.3010x + 1.5050 = 0.4771 - 0.4771x
0.7781x= -1.0279
x=-1.320

Simplify 6x - 4 - 6x

Answers

If you combine like terms, positive 6 x and negative 6 x cancel each other out and you are left with -4.

6x - 4 - 6x = = -4

Suppose you roll a number cube. What is the theoretical probability of rolling a 2

Answers

Answer: $(1)/(6)$

Step-by-step explanation:

We know that a cube has six faces , if we roll a cube then we have chances to roll six different faces with six different number if it is not biased.

Let the number on cube be 1,2,3,4,5,6.

Thus total outcomes = 6

Then the theoretical probability of rolling a 2 is given by :-

$P(2)=\frac{\text{favorable outcome}}{\text{total outcomes}}\n\n\Rightarrow\ P(2)=(1)/(6)$

if theres six sides to the dices then the answer will be 1/6

How to multiply 25 by 5 without using calculator?

Answers

Hey There

In multiplication you have to know the process of regrouping, which means to take away from tens. Also, you multiply from left to right.

Steps
1. First multiply 5*5=25, the two adds to the product of 5*2

2. Now you have to multiply 5*2=10, now you have to add two because of regrouping, 10+2=12, so you're final answer is 125.

In conlusion, 25*5=125

Hope this helps :)

2 5

× 5
___________
1 2 5
____________

1st step: 5 × 5 = 25. Put down 5 . Keep 2 aside.

2nd step: 5 × 2 = 10. 10 plus the 2 kept aside = 12

3rd step : write down 12.

That brings the answer to 125.

Will 3/5 x 2/7 be less than, greater than or equal to 3/5

Answers

3/5 times 2/7=6/35
compare 3/5 to 6/35

5 times 7=35

3/5 times 7/7=21/35

21/35 ? 6/35
21 ? 6
21> 6

an easy way is if we do

3/5=x, a random number
rememberig that taking a fraction of something makes it smaller

x times fraction is smaller than x
so
3/5 times 2/7 is less than 3/5

3/5×2/7=6/35
3/5=3/5×7/7=15/35
3/5 ×2/7 is less than 3/5

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