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RUDIKE [14]
3 years ago
9

Mr. Yoshi has 75 papers. He graded 60 papers, and he has a student teacher grade the rest. What percent of the papers

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

Answer:

80%

Step-by-step explanation:

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Your teacher gave you 45 of a bag of candy, but she only gave your friend 23 of a bag.
tensa zangetsu [6.8K]

Answer:

you got 12 more then your friend, 45-23

Step-by-step explanation:

4 0
2 years ago
Using 4 equal-width intervals, show that the trapezoidal rule is the average of the upper and lower sum estimates for the integr
prisoha [69]

Split up the interval [0, 2] into 4 subintervals, so that

[0,2]=\left[0,\dfrac12\right]\cup\left[\dfrac12,1\right]\cup\left[1,\dfrac32\right]\cup\left[\dfrac32,2\right]

Each subinterval has width \dfrac{2-0}4=\dfrac12. The area of the trapezoid constructed on each subinterval is \dfrac{f(x_i)+f(x_{i+1})}4, i.e. the average of the values of x^2 at both endpoints of the subinterval times 1/2 over each subinterval [x_i,x_{i+1}].

So,

\displaystyle\int_0^2x^2\,\mathrm dx\approx\dfrac{0^2+\left(\frac12\right)^2}4+\dfrac{\left(\frac12\right)^2+1^2}4+\dfrac{1^2+\left(\frac32\right)^2}4+\dfrac{\left(\frac32\right)^2+2^2}4

=\displaystyle\sum_{i=1}^4\frac{\left(\frac{i-1}2\right)^2+\left(\frac i2\right)^2}4=\frac{11}4

4 0
3 years ago
the diagram below has a cake is divided at a cake sale, if all the slices are sold at a total of $2500 would be collected. how m
Anarel [89]

Answer:

I am pretty sure $750

Step-by-step explanation:

Since there are 10 slices of cake, you would have to divded the cost ($2,500) by 10 to find out the cost per slice (you would get $250). Since we are finding the cost of 3 slices, you would mulitply 250 by 3, then you get your answer

4 0
3 years ago
What is the percent of 3.16 to 3.70
kicyunya [14]

Answer:

85.4054%

Step-by-step explanation:

3.16/3.7 × 100

Divide.

0.854054 × 100

Multiply.

= 85.4054

5 0
3 years ago
How can data or a graph be misleading?
Shtirlitz [24]
The correct answer should be
B) having outliers
Hope this helps!
6 0
2 years ago
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