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mart [117]
3 years ago
5

Maya chatted online with all her friends for 2/3 of an hour on Saturday and 1/4 of an hour on sunday. During that time period, s

he chatted with paul for 1/8 of an hour. what fraction of the time maya spent chatting with her friends online was spent chatting with paul?
Mathematics
2 answers:
Kamila [148]3 years ago
8 0
Time spent with paul : 1/8 h
Total time spent chatting with friends: 2/3h+1/4h=11/12 h

The fraction of the time she spent with paul is (time spent with paul)/(total time spent chatting)

 hence the fraction spent with paul is  (1/8)/(11/12)=3/11
lisabon 2012 [21]3 years ago
4 0

Answer:

2/3 = 16/24

1/4 = 6/24

1/8 = 3/24

(3/24) / (25/24)

(3/24) * (24/25) = 72/600 = 12/100 = 3/25

100 * (1/8)/ (8/12+3/12)

= 100 * (1/8) / (11/12)

= 100 * (3/24)(22/24)

= 100 (3/22)

= 13.6%

Step-by-step explanation:

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Sheri surveyed eighty students and then generated three random samples of twenty-five student responses. The means of the sample
Vesnalui [34]

Answer:

Where is the table cant help unless shown

Step-by-step explanation:

6 0
3 years ago
Find the x-intercepts for the parabola defined by the equation below. y = x2 + 9x + 14
faltersainse [42]

Answer:

x - intercepts are (-7,0) and (-2,0)

A is the correct option.

Step-by-step explanation:

We have been given the equation of the parabola y=x^2+9x+14

For x- intercept, y = 0

0=x^2+9x+14

We can split the middle term as 9x = 7x +2x

x^2+7x+2x+14=0

Now take GCF

x(x+7)+2(x+7)=0

Factored out the common term

(x+7)(x+2)=0

Apply the zero product property

(x+7)=0,(x+2)=0

Solve for x

x=-7,-2

Hence, x - intercepts are (-7,0) and (-2,0)

A is the correct option.

4 0
4 years ago
there are 648 students in the school. 259 of the students are boys. how many girls go to this school?
Sphinxa [80]
648-259= 389
There are 259 boys and 389 girls.
6 0
3 years ago
What is the value of R?<br><br> 3r–8=7+8r
stellarik [79]
The answer to r is going to be the lucky number 5
6 0
4 years ago
The equation
ra1l [238]
<h2>Explanation:</h2>

Let's use a trial and improvement method to find this solution.

Step 1. Let's choose x = 8.5

Substituting into the equation:

(8.5)^2+ 3(8.5) - 94=0? \\ \\ 72.25+25.5-94=0? \\ \\ 3.75\neq 0

Step 2. Let's choose x = 8.4

Substituting into the equation:

(8.4)^2+ 3(8.4) - 94=0? \\ \\ 70.56+25.2-94=0? \\ \\ 1.76\neq 0

Step 3. Let's choose x = 8.3

Substituting into the equation:

(8.3)^2+ 3(8.3) - 94=0? \\ \\ 68.89+24.9-94=0? \\ \\ -0.21\neq 0

Since the sign of the equation changes from positive to negative when evaluating from 8.4 to 8.3, then x = 8.3 seems to be a reasonable value. Finally, the solution to 1 decimal place is:

x=8.3

6 0
3 years ago
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