To increase the size of a circle you would increase the size of the radius.
A) Suppose, number of books that she needs to read = x
As 1 book costs for 5 points, It would be:
5x = 30
x = 6
So, she needs to read 6 books.
b) If she has read 7 books, her points would be:
7 * x
as x = 5 (point of 1 book)
7 * 5 = 35
So, she got 35 points.
Hope this helps!
<h2>
Answer:</h2>
<em><u>(B). </u></em>
<h2>
Step-by-step explanation:</h2>
In the question,
Let the total number of geese be = 100x
Number of Male geese = 30% = 30x
Number of Female Geese = 70x
Let us say 'kx' geese migrated from these geese.
Number of migrated Male geese = 20% of kx = kx/5
Number of migrated Female geese = 4kx/5
So,
<u>Migration rate of Male geese</u> is given by,
<u>Migration rate of Female geese</u> is given by,
So,
The ratio of Migration rate of Male geese to that of Female geese is given by,
Therefore, the<em><u> ratio of the rate of migration of Male geese to that of Female geese is,</u></em>
<em><u>Hence, the correct option is (B).</u></em>
<em><u></u></em>
Answer/Step-by-step explanation:
Given:
m<A = 115,
m<B = 78,
m<C = 35,
✔️m<1 = 180 - m<A (angles on a straight line/supplementary angles)
m<1 = 180 - 115 (substitution)
m<1 = 65°
✔️m<2 + m<1 + m<B = 180° (sum of interior angles of a triangle)
m<2 + 65 + 78 = 180
m<2 + 143 = 180
m<2 = 180 - 143 (substitution property of equality)
m<2 = 37°
✔️m<3 = 180° - m<B (supplementary angles)
m<3 = 180 - 78
m<3 = 102°
The correct average of the test is 74%.
Average:
Average means the middle value of a set of numbers.
And it can be calculated by the total of the numbers divided by how many numbers there are.
Given:
Mr. MacDonald recorded the test mark for his eight grade class of 25 students he used the marks recorded to calculate the average to be 72 Sandra's marks of 86 was incorrectly marked as 36.
Number of students = 25
Average mark of the students = 72
Incorrect mark = 36.
Correct mark = 86.
So, let us consider x is the sum of all grades.
Then,
=> x / 25 = 72
=> x = 1800 = the sum of all the grades
=> 1800 - 36 + 86 = 1850
=> 1800 / 25 = 74%
To know more about Average here
brainly.com/question/897199
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