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Black_prince [1.1K]
3 years ago
10

I NEED HELP PLZ HELP ME ?

Mathematics
2 answers:
Blizzard [7]3 years ago
4 0
The answer is 50 I hope this helps!

bazaltina [42]3 years ago
3 0
I think it is D, unit rate is how many c per 50 h, and unit rate is how many per one unit.
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Need help with easy/quick probability problems. Do 1-6 and explain how to do one of them
alexandr1967 [171]

Answer:

P(algebra, then statistics) = 7/80

Step-by-step explanation:

The total number of books is 7 + 8 + 5 = 20.

1. P(algebra, then statistics)

The probability that the first book is an algebra book is 7/20.

Carlos then replaces the book, so the total is still 20.

The probability that the second book is a statistics book is 5/20.

Therefore, the total probability is:

P(algebra, then statistics) = 7/20 × 5/20

P(algebra, then statistics) = 7/80

8 0
3 years ago
Help please<br> im pretty sure this is called angle sum theory but I could be wrong
DENIUS [597]

<u>y = 25</u>

Step-by-step explanation:

<u>=> 115 = y + 90 {exterior angle of triangle is equal to the sum of its opposite two interior angles}</u>

<u>=> 115 = y + 90 </u>

<u>=> 115-90 =y</u>

<u>=> 115 = y + 90</u>

<u>=> 115-90 =</u><u>y</u>

<u>=> y = 25</u>

6 0
2 years ago
Read 2 more answers
If m 2 n, which inequalities must be true? Check all that apply.
anzhelika [568]

Answer:

(a)\ m+ 2.1 > n + 2.1

(b).\ m - (-4) > n - (-4)

(c)\ 9 +m> 6 + n

Step-by-step explanation:

Given

m > n

Required

Select true inequalities

(a)\ m+ 2.1 > n + 2.1

Subtract 2.1 from both sides

m > n

This is true

(b).\ m - (-4) > n - (-4)

Open brackets

m + 4 > n + 4

Subtract 4 from both sides

m > n

(c)\ 9 +m> 6 + n

m> -9+6 + n

m> n-3

This is also true

8 0
3 years ago
Read 2 more answers
On the way to the mall Miguel rides his skateboard to get to the bus stop. He then waits a few minutes for the bus to come, then
professor190 [17]
The answer would be c .
4 0
3 years ago
Read 2 more answers
The melting point of substance X is -20 degrees Celsius and the boiling point is 90 degrees Celsius. How many Celsius degrees ar
Kazeer [188]
To find the distance between 2 numbers you must take the absolute value of the difference

|90-(-20)|
|110|
110

110 degrees celsius 
3 0
3 years ago
Read 2 more answers
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