1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Aleksandr [31]
3 years ago
13

Sabrina read a total of 175 pages in 3 days. On the first day she read 45 pages. On the second and third days, she read the same

number of pages. How much did Sabrina read on the second and third day?
I would love some help and i will give the brainliest comment to who answers!
Mathematics
2 answers:
Artemon [7]3 years ago
7 0

Answer: Sabrina read 65 pages on the second and third days

Step-by-step explanation:

45 + 2x = 175

45 - 45 + 2x = 175 -45

2x = 130

2x/2  = 130/2

x = 65

CHECK: 45 + 65 +65 = 175

olasank [31]3 years ago
5 0
It’s 65 because you minus 175 from 45 which gets you 130 then divide by two
You might be interested in
A baseball player has a batting average of 0.25. What is the probability that he has exactly 2 hits in his next 7 at bats
marissa [1.9K]

Answer:

The probability that he has exactly 2 hits in his next 7 at-bats is 0.3115.

Step-by-step explanation:

We are given that a baseball player has a batting average of 0.25 and we have to find the probability that he has exactly 2 hits in his next 7 at-bats.

Let X = <u><em>Number of hits made by a baseball player</em></u>

The above situation can be represented through binomial distribution;

P(X = r) = \binom{n}{r}\times p^{r} \times (1-p)^{n-r}; x = 0,1,2,......

where, n = number of trials (samples) taken = 7 at-bats

            r = number of success = exactly 2 hits

            p = probability of success which in our question is batting average

                   of a baseball player, i.e; p = 0.25

SO, X ~ Binom(n = 7, p = 0.25)

Now, the probability that he has exactly 2 hits in his next 7 at-bats is given by = P(X = 2)

          P(X = 2) =  \binom{7}{2}\times 0.25^{2} \times (1-0.25)^{7-2}

                        =  21 \times 0.25^{2} \times 0.75^{5}

                        =  <u>0.3115</u>

5 0
3 years ago
How many solutions does the following system of equations have?
olganol [36]
The answer would be two
8 0
3 years ago
How would you convince a fellow student hat the number 0.57 is a rational number
Pavlova-9 [17]

Start by proving to them that the number 0.57 can be converted into a fraction . A whole number can't exactly be put in to a fraction. 0.57 can be converted to 14.25/25. This information means that 0.57 IS a rational number. Hope this convinced them!

4 0
3 years ago
It costs $36 for 4 movie tickets. What is the unit price
garik1379 [7]

Answer:

$9

Step-by-step explanation:

Total Unit (Movie Tickets) 4

Total Price: 36

36/4=9

Total $9

8 0
3 years ago
Read 2 more answers
The perimeter of this triangle is 25 units. An angle bisector divides one side of the triangle into lengths of 2 and 3. Find the
grin007 [14]

Answer:

   8 and 12

Step-by-step explanation:

Sides on one side of the angle bisector are proportional to those on the other side. In the attached figure, that means

  AC/AB = CD/BD = 2/3

The perimeter is the sum of the side lengths, so is ...

  25 = AB + BC + AC

  25 = AB + 5 + (2/3)AB . . . . . . substituting AC = 2/3·AB. BC = 2+3 = 5.

  20 = 5/3·AB

  12 = AB

  AC = 2/3·12 = 8

_____

<em>Alternate solution</em>

The sum of ratio units is 2+3 = 5, so each one must stand for 25/5 = 5 units of length.

That is, the total of lengths on one side of the angle bisector (AC+CD) is 2·5 = 10 units, and the total of lengths on the other side (AB+BD) is 3·5 = 15 units. Since 2 of the 10 units are in the segment being divided (CD), the other 8 must be in that side of the triangle (AC).

Likewise, 3 of the 15 units are in the segment being divided (BD), so the other 12 units are in that side of the triangle (AB).

The remaining sides of the triangle are AB=12 and AC=8.

7 0
3 years ago
Other questions:
  • A salesperson receives a 3% commission on sales. The salesperson receives $180 in commission. What is the amount of sales?
    15·2 answers
  • Factor simole algebra 3x^2 + 48
    9·2 answers
  • Can someone please help me with this question
    12·2 answers
  • Parallel, Perpendicular<br>Or Neither<br><br>Y = 3x + 1<br>6x - 2y = 10​
    7·1 answer
  • If you have 30 questions how much time do you have to take the test
    5·1 answer
  • Has to be a fraction. 50 points, don't miss out :-)
    11·1 answer
  • Which one A or B or C help pls!
    7·2 answers
  • A number is at random from 1 to 10 find the probability of selecting a multiple of 2​
    12·1 answer
  • Graph a line that contains the point (−6,1) and has a slope of 5
    15·1 answer
  • Please help me out thank you.​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!