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sergeinik [125]
3 years ago
13

What is the value of 7(23)? Use place value and the distributive property.

Mathematics
2 answers:
kkurt [141]3 years ago
6 0

Answer:

7(23) = 161

Step-by-step explanation:

Using the Distributive Property, you put the 7 into the number 23.

We have to think of place value as well. Since there is a parenthesis you have to add the 20 and 3 first.

7(23) = ?

This you are going to use the Distributive Property for.

7(23) = 161

Tcecarenko [31]3 years ago
5 0

Answer:

7 (23)=161

Step-by-step explanation:

you would add what's in the parentheses first (20+3). then you would multiply 23 by 7.

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1. How many ways are there to make an octagon with 19 different sticks when order DOESN’T matter?
mart [117]

Answer:

1. 19C8 = 75582

2. 19P8= 3047466240

Step-by-step explanation:

First, find the number of ways to get 8 sticks from 19. At first, you have 19 choices, then 18, then 17, all the way to 12. Giving you 19*18*17*...*13*12, or 19!/11!.

Combination:

When order doesn't matter, you have to divide 19!/11! by the number of ways to order 8 sides, or 19!/11!/8!=19C8=75582

Permutation:

When order doesn't matter, you don't have to divide 19!/11! by the number of ways to order 8 sides, since you count each of these, and 19!/11!=19P8=3047466240.

6 0
3 years ago
When a parabola represented by the equation y - 2x 2 = 8 x + 5 is translated 3 units to the left and 2 units up, the new parabol
amid [387]
<span>First rewrite y - 2x<span> 2</span> = 8 x + 5 as</span> 

y = 2x<span> 2</span><span> + 8 x + 5 </span>

Complete square and determine vertex. 

y = 2(x<span> 2</span><span> + 4x + 4) - 8 + 5 </span>

= 2(x + 2)<span> 2</span><span> - 3 </span>

<span>vertex at (- 2 , - 3) </span>

If parabola is translated 3 units to the left and 2 units up its vertex is also translated 3 units to the right and 2 units up . 

<span>vertex after translations is at: (-2 - 3 , - 3 + 2) = (-5 , -1)</span>
4 0
2 years ago
Read 2 more answers
Please help me on this question as soon as possible if you don't know the right answer for this question do not answer this ques
umka2103 [35]
2b + 34greater then or equal to 54

5 0
3 years ago
Janet has 120 dollars,. if she saves 20 dollars per week, in how many days will she have 500?
GrogVix [38]
After 28 days she will have 200. every 28 days she saves 80 dollars and after 112 she will have saved 320. She will then be at 460 and need 40 more dollars which is 14 days, and 112 plus 14 is 126 days. Hope that helped
4 0
2 years ago
What is this answer??
Gala2k [10]

Answer:

4/5

Step-by-step explanation:

0.80=80/100=40/50=4/5

5 0
3 years ago
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