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babunello [35]
3 years ago
7

Find the distance between the points (2, -9) and (-1, 4).

Mathematics
1 answer:
ollegr [7]3 years ago
6 0

Answer:

A. 13.34

Step-by-step explanation:

This is the formula d=√((x_2-x_1)²+(y_2-y_1)²)

Plug in

d=√(-1-2)² + (4+9)²

d= √9 + 169

d= √178

d= 13.34

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A very large book is numbered to 1 to 11521 How many digits are used to print all these page numbers
stealth61 [152]

Answer:

46,499 digits

Step-by-step explanation:

Total pages of book = 11,521

9 pages numbered 1 - 9 that need 1 digit each = 9 × 1

= 9 digits

90 pages numbered 10 - 99 that need 2 digits each = 90 × 2

= 180 digits

900 pages numbered 100 - 999 that need 3 digits each = 900 × 3

= 2,700 digits

9000 pages numbered 1000 - 9999 that need 4 digits each = 9000 × 4

= 36,000 digits

1522 pages numbered 1000 - 11521 that need 5 digits each = 1522 × 5

= 7,610 digits

Total digits needed = 9 digits + 180 digits + 2,700 digits + 36,000 digits + 7,610 digits

= 46,499 digits

5 0
3 years ago
One day , the tempeture ranged from a high of 20 degrease to a low of -25F. By how many degrees did the tempeture change?
Llana [10]
The temperature changed 45 degrees
7 0
3 years ago
What is the 7th term in the sequence of square numbers?
12345 [234]

Answer:

49.

Step-by-step explanation:

To solve, you can simply list the square numbers in order...

1^2, 2^2, 3^2, 4^2, 5^2, 6^2, 7^2.

1, 4, 9, 16, 25, 36, 49.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Find the value of the variable and MN if N is between M and Q. Round to the nearest hundredth if necessary. 
Rudiy27
<em><u>Answer:</u></em>
MN = 4 units

<u><em>Explanation:</em></u>
<u>1- getting the value of m:</u>
<u>We are given that:</u>
NQ = 4m and NQ = 12
<u>This means that:</u>
12 = 4m
\frac{4m}{4} =  \frac{12}{4}
m = 3

<u>2- getting MQ:</u>
<u>We are given that:</u>
MQ = 5m + 1
<u>We have calculated that:</u>
m = 3
<u>Therefore:</u>
MQ = 5(3) + 1 = 15 + 1 = 16 units

<u>3- getting MN:</u>
We are given that point N is located somewhere between points M and Q.
<u>This means that:</u>
line MQ can be divided into two portions: MN and NQ
<u>This also means that:</u>
length of MQ = length of MN + length of NQ

<u>We have calculated that:</u>
MQ = 16 units
<u>We are given that:</u>
NQ = 12 units
<u>Therefore:</u>
16 = length of MN + 12
length of MN = 16 - 12
length of MN = 4 units

Hope this helps :)
3 0
3 years ago
Brody is hosting a watch party for a basketball game. He wants to order 5 large pizzas, 3 orders of breadsticks, and 6 liters of
IgorC [24]
Pizza: $56.3
Breadsticks:$23.55
Dr pepper:$10.74

Hope I helped! :)
4 0
2 years ago
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