How many times greater is the value of the 6 in 560,984 than the value of the 6 in 85,560?

Answers

Answer 1
Answer: Each place value is 10 times higher than the one below it. The 6 in 560,984 is 3 place values ahead of the 6 in 85,560, and 10*10*10=1000, so it is 1000 times greater

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PLEASE HELP!!!!! And explain too! Thanks!!! I am a prime number between 40 & 50. If you add one to me, the sum of ALL prime factors of that composite number is 15. What number am I?

Multiply.  560.9 • 2.8
 A.15705.2

 B.1570.52

 C.157.052

 D.15.7052

Answers

560.9
*  2.8
ignore the decimals and multiply, as whole numbers.
5609 * 28 = 157052
now since there were two spots behind the decimal, squeeze the decimal in the number.
1,570.52 is the answer. which is B
560.9 x 2.8 = 1570.52

Comparing and Extending Ratios Pam and her brother have a pattern to saving money. Pam has saved $40 and her brother has saved $100. Pam says that this means that for every $2 she saves, her brother saves $5. Is she correct?

Answers

I think she is correct because if u divide 100 to 5 u'll get 20 and if u divide 40 to 2 u'll get 20 so yea

A class has 28students. The ratio of girls to boys is 4:3. How many girls are in the class?

Answers

Answer:  

In a class of 28 students the ratio of girls and boys is 4:3. The number of girls in the class is 16.

Solution:  

Let us consider total number of students in the class is “T”.

Let the ratio of the students (Girl and boys) in the class is G: B.

Given that total number of students in class (T) = 28

From question, given that ratio of girls and boys is 4:3. We can write this ratio as,

Number of girls (G) = 4x and number of boys (B) = 3x

We have to find the number of girls in class. The total number of girls present in the class is given as ,

G = T * (G)/(G + B)

The total girl students present in the class G = 28 * (4 x)/(4 x + 3 x) = 28 * (4 x)/(7 x)

= 28 * (4)/(7) = 4 * 4 = 16

Hence the total number of girls in the class is 16.

There are 4+3=7 parts in total
4x7=28
16 are girls and the balance is 12 boys

Five times a number is the same as 30 more than 8 times the number.find the number

Answers

Answer:

hey here's your answer!☺️

since number = n

so, 5 times of number = 5×n = 5n

and , 30 more than 8 times the number = 8n + 30

so, According to the question,

equation formed :-

" 5n = 8n + 30 "

hope it is helpful ✌️!

What multiple of 7 is also a factor of 7

Answers


The first multiple of 7  (7 x 1 = 7)  is the biggest factor of 7 .

7 is a multiple of 7 and also a factor of 7.
Hope this helps~

I know that the answer to this is all real numbers less than or equal to 5. My question is how do you solve this (without a calculator)? Given f(x) = -3x^2 +5, what is the range of the function I tried to use -b/2a but I probably did it wrong. Thanks

Answers

find inverse function
y = f(x) = -3x^2 + 5
write x in terms if y
x = sqrt(-(y-5)/3)
inverse function is
f-1(x) = sqrt(-(x-5)/3)

domain of inverse is the range of the function

from inverse, inside sqrt must greater than or equal to 0 so that x-5 <= 0 which is x <= 5