MATHEMATICS MIDDLE SCHOOL

Which choice shows the product of 23 and 39?

Answers

Answer 1
Answer:

Answer:

897 is the answer

Step-by-step explanation:

23×39 = 897
Answer 2
Answer: The answer is 897.
39
x23
———
117
+780
——-
897

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Enter the value of p so the expression 5/6-1/3n is equivalent to p(5-2n)? Please show your steps, I am really lost

Answers

P needs to be something that is multiplied through 5-2n to equal 5/6-1/3n.  Since you see that there is a 5 of somesort in both equations an easy place to start is simply making p=1/6.  Once you do that then 5*1/6=5/6 so the first part is okay. Then 2n*1/6=2n/6 which is able to be reduced to n/3.
Based on this it is clear that p should equal 1/6.

PLS HELP!!A graphic designer created a logo on 8 1/2 by 11 inch paper. In order to be placed on a business card, the logo needs to be 1 7/10 by 2 1/5. What is the scale factor of the dilation?

Answers

Answer:

0.2  (compression)

Step-by-step explanation:

Given

Length of paper = 11 inches,

Width of paper = 8 1/2 = 17/2 inches

Length of logo = 2 1/5 = 11/5 inches

Width of logo = 1 7/10 = 17/10 inches

Scale factor based on Length

=Length of Logo ÷ Length of paper

= 11/5 ÷ 11

= 0.2  (since it is less than 1, this is a compression)

(Sanity Check: Check width scale factor = length scale factor)

Scale factor based on width

=Width of Logo ÷ Width of paper

= 16/10 ÷ 17/2

= 0.2  (this is the same as the length scale factor so this checks out ok!)

Need to know how to solve step by step 67.8 × 0.45

Answers

Answer:

The answer is 30.510.

Step-by-step explanation:

Given expression is :

67.8*0.45

First we will multiply the numbers without decimal.

This becomes 678*45=30510

Now, 67.8 has 1 decimal point and 0.45 has 2 decimal places.

Therefore, the answer will have 3 decimal places.

This makes the answer as 30.510.
You a line the decimal points right above each other and add the .45 to .8

A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.

Answers

Multiply .45 and 300 and you will get 135 tennis balls.

An employee earns $7.00 an hour for the first 35 hours worked in a week and $10.50 for any hours over 35. One week's paycheck (before deductions) was for $308.00. How many hours did the employee work? *write an equation and solve

Answers

$308.00-( 7.00*35)+(10.50\a)$308.00-$245.00=$63.00$63.00/$10.50=6 hoursA=6

What is the answer for 6

Answers

380.17 is your answer
Formula for SA of a pyramid is: lw+l(√w/2)^2+h^2+w√l/2^2+h^2
We're given all pieces of information, b(l)=9 w=9 h=16
You should be able to plug those values into the equation yourself.
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