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Ivan
3 years ago
6

11/15 + -2/5 what is the answer in fraction form

Mathematics
2 answers:
Sedaia [141]3 years ago
4 0
1/3 would be your answer 
you have to find the LCD than combine
zysi [14]3 years ago
3 0
Since we're adding fractions we'll need to make the denominator the same

5 fits into 15 three times

so we'll need to multiply both the numerator and denominator of -2/5 by 3

-2/5 becomes -6/15

now we can solve

11/15 + -6/15 = 5/15

5/15 can be written as 1/3 in simplified form
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The graph below shows the time Andrea spent reading one day. Write a few sentences to describe the relationship between the time
Alex777 [14]

Answer:

Step-by-step explanation:

Well, there are several  relationships you can describe.  As time increases how does number of pages  react?  Like does it increase or decrease.  Is it always increasing or decreasing by the same amount?  If it's not all the same how do different parts look different.  

There aren't any actual numbers, so you can't say specifically how they relate, like you can't say she read 5 pages a minute or something.

3 0
3 years ago
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Reese is using a coin to predict the gender of the puppies born to her dog. According to Reese's model, which is the probability
anastassius [24]

Answer:

\frac{1}{32}

Step-by-step explanation:

According to Reese's model, let the head of the coin represent male, and the tail represents female. The outcome can either be a male or a female.

Total outcome = 2

pr(male) = \frac{1}{2}

pr(female) = \frac{1}{2}

Therefore the probability of male equals the probability of females i.e \frac{1}{2}.

Therefore,

pr(a litter of 5 puppies will be males) = \frac{1}{2} x \frac{1}{2} x \frac{1}{2} x \frac{1}{2} x \frac{1}{2}

                                                           = \frac{1}{32}

According to Reese's model, the probability that a litter of 5 puppies will be males is \frac{1}{32}.

6 0
3 years ago
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Can someone help me with this? this is a substitution method
tigry1 [53]

Answer:

x=0, y = 3/2

Step-by-step explanation:

Ok, for substitution, you need to solve for y in terms of x, I'll do this for the first eqyation

8y=-7x+12

y=-7/8x+3/2, now plug in y in the second equation

-4x+2(-7/8x+3/2)=3, solve for x now

-4x-7/4x+3=3,

-4x-7/4x=0, x=0 now plug in 0 for either equation to solve for y

-4(0)+2y=3

2y=3, y=3/2

5 0
3 years ago
BD is a diameter of circle Q. If M_ACB=30°, what is M<DBA?
Papessa [141]
I also agree with answer C
8 0
3 years ago
Write in slope-intercept form the equation of the line passing through the given point and perpendicular to the given line.
Ksivusya [100]

Answer:

y = x + 1

Step-by-step explanation:

First you find the slope of the first line using the rise over run method. Here you can see that the line goes up 1 and to the right one in order to reach the next point making the slope 1x or just x. Then you need to make it so that the line intercepts the point by changing the y intercept to 1 making the equation y = x + 1.

I hope this helped!!

4 0
3 years ago
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