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Step2247 [10]
3 years ago
7

How do i solve this question

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0
First multiply -3 to -5/3. Giving you -14=5+b. Then subtract 5 from both sides to isolate b. -14+5= -9 so b=-9 which is your y-intercept
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A card is selected at random from a well-shuffled ordinary deck consisting of 13 spades, 13 clubs, 13 hearts, and 13 diamonds. 4
Elis [28]

Answer:

b) 0.42

Step-by-step explanation:

Let A be the event that card is a heart card and B be the event that card is a face card.

We have to find P(A or B). P(A∪B)=?

P(A∪B)=P(A)+P(B)-P(A∩B)

There are 13 heart cards and  12 cards are face cards. There would be 3 face card in hearts. So,

P(A)=13/52=1/4=0.25

P(B)=12/52=3/13=0.231

P(A∩B)=3/52=0.058

P(A∪B)=0.25+0.231-0.058

P(A∪B)=0.481-0.058

P(A∪B)=0.423

So, the probability that the card is a heart or is a face card is about is 0.42.

5 0
3 years ago
whitney is training to ride her bicycle in a big race. The table below shows hiw many miles she rides each day of one week​
hoa [83]

Answer: C (24.5 miles more)

Step-by-step explanation:

on Friday she rode 42.4 miles

on Tuesday she rode 17.9 miles

you just subtract Tuesday’s miles from Friday’s miles

42.4 - 17.9 = 24.5

so, C

7 0
3 years ago
Rachel has 5 cups of flour she needs 1/3 cup of flour for one jumbo muffin how many jumbo muffins can she make ​
Anvisha [2.4K]

Answer:

15 jumbo muffins.

Step-by-step explanation:

If you need 1/3 cups of flour for each jumbo muffin and have 5 cups of flour. Multiply 3 and 5 which will give you 15 which is how many jumbo muffins you can make.

3 0
3 years ago
Plz help!!!!!!!!!!!!!!!
julsineya [31]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~

Generally what I like to do, to solve questions like this is to substitute the given answers into the equation to solve this faster...

Equation: x^2 + 10x + 12 = 36

A.) (-12)^2 + 10(-12) + 12 = 36

144 - 120 + 12 = 36

24 + 12 = 36

36 = 36

(2)^2 + 10(2) + 12 = 36

4 + 20 + 12 = 36

24 + 12 = 36

36 = 36


Since we found the answer with the first try, we already know the correct answer is A.

So...

The Correct answer is: A.) x=-12 or x=2

4 0
3 years ago
Read 2 more answers
A tour bus travels 2,160 miles in 36 hours. What is the average distance the bus travels in one hour?​
Marysya12 [62]
60 miles in 1 hour (divide the miles by the hours)
5 0
2 years ago
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