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4 years ago

I am a number between 60 and 100 my ones digit is two less than the digit in my ten. I'm a prime number what is my number?

Mathematics

1 answer:

Andru [333]4 years ago

6 0

The only possibility is 79 hope it helped:D

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Write<br> (b^4)^2 without exponents

Anna35 [415]

Answer:

b^8

Step-by-step explanation:

(a^m)^n=a^(m*n)

(b^4)^2=b^(4*2)=b^8

4 0

3 years ago

Which Store has a better deal per can of soda? Explain.

V125BC [204]

Answer:

store A has a better deal. as you can get 12 soda's for the price of $7.20

Step-by-step explanation:

3.60 x 2 = $7.20

8 0

3 years ago

Read 2 more answers

What is 4.5a+7+3.5a+2

Nitella [24]

Answer:

8a+9

Step-by-step explanation:

You have to add the like terms.

4.5a+7+3.5a+2

4.5a+3.5a=8a

7+2= 9

8a+9

3 0

3 years ago

A number m minus 3 is more than -4

AveGali [126]

M= a number
> = more than/greater than

Expression:
m - 3 > -4

If you have to also solve:

m - 3 > -4
add 3 to both sides

m > -1

ANSWER: expression is m - 3 > -4;
expression solved for m is m > -1

Hope this helps! :)

7 0

3 years ago

Calculate the following expressionusing the order of operations. show all steps( do not combine more than two numbers together a

Neko [114]

Answer: $204\frac{2}{5}$

Step-by-step explanation:

Given the following expression:

$(\frac{7}{15}+\frac{125}{9})^2-16(\frac{0.25}{2})$

You can follow these steps in order to solve the exercise:

1. You need to solve the operations inside the parentheses:

- Add the fractions. Since they have different denominators, you have to find the Least Comon Denominator (LCD):

$15=3*5\\9=3*3=3^2\\LCD=5*3^2=45$

- Solve the division divididing the numerator 0.25 by the denominator 2.

Then, you get:

$(\frac{(3)(7)+(5)(125)}{45})^2-16(\frac{0.25}{2})\\\\(\frac{646}{45})^2-16(0.125)$

2. Solve the exponent:

$\(\frac{417,316}{2,025}-16(0.125)$

3. Solve the multiplication:

$\(\frac{417,316}{2,025}-2$

4. Solve the subtraction:

$\(\frac{417,316-(2,025)(2)}{2,025}=\frac{413,266}{2,025}\approx204.08$

5. Since :

$0.8=\frac{2}{5}$

You can write the result as a mixed fraction:

$=204\frac{2}{5}$

7 0

3 years ago