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2 years ago

Solve for x. What is the solution to the system of equations? ( , )

Mathematics

1 answer:

labwork [276]2 years ago

5 0

(3,-2) hope this helps Yall

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There are four red ,four blue, and two green marbles in a bag .if one marble is chosen at random from the bag what is the probab

mina [271]

Answer:

There is a 20% probablity that the marble will be green :)

Step-by-step explanation:

There are a total of 10 marbles in the bag. 4 red+4 blue+ 2green=10
There are two green marbles out of the 10 marbles. 2/10
2 divided by 10 is .20 or 20%
Therefore, there is a 20% probability that the marble will be green.

7 0

2 years ago

A local university wanted to understand what students prefer to eat during finals. They asked 1000 students, "Do you prefer chic

olga55 [171]

Answer:

$P(\text{Pizza}\ |\ \text{Female})=0.225$

Step-by-step explanation:

The two-way frequency table is attached below.

We have to calculate the probability of, a person chosen at random prefers pizza given that they are female, i.e $P(\text{Pizza}\ |\ \text{female})$

This is a conditional probability.

We know that,

$P(A\ |\ B)=\dfrac{P(A\ \cap\ B)}{P(B)}$

So,

$P(\text{Pizza}\ |\ \text{Female})=\dfrac{P(\text{Pizza}\ \cap\ \text{Female)}}{P({\text{Female}})}$

From the table,

$P(\text{Pizza}\ \cap\ \text{Female)}=\dfrac{119}{1000}$

$P({\text{Female}})=\dfrac{530}{1000}$

Putting the values,

$P(\text{Pizza}\ |\ \text{Female})=\dfrac{P(\text{Pizza}\ \cap\ \text{Female)}}{P({\text{Female}})}=\dfrac{\frac{119}{1000}}{\frac{530}{1000}}=0.225$

8 0

3 years ago

Use doubles to find the sum of 7 + 8 write a number sentence

liberstina [14]

7 plus 7 equals 14. Add one to that and you have 15 which is the answer.

4 0

3 years ago

Read 2 more answers

5y + 2(11 - 4y) = 82 + y<br> Help Needed Asap

ryzh [129]

Answer:

y=−15

Hope this helps! Please mark Brainliest!

4 0

3 years ago

Read 2 more answers

Four fifts times what equals two thirds

SVEN [57.7K]

(4/5)*what = (2/3)
Multiply by 5/4
.. what = (2/3)*(5/4)
.. what = 5/6

7 0

3 years ago