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murzikaleks [220]
3 years ago
13

Ms. Bauer corrected 2⁄3 of the science quizzes. Mr. Richardson corrected 2⁄7 of the quizzes. What fraction of the science quizze

s has been corrected?
Mathematics
1 answer:
IrinaK [193]3 years ago
7 0
We must add 2/3 and 2/7.
We have to convert these to fractions with "21" as the denominator.
14/21 plus 6/21 =
20/21 of the quizzes have been corrected.


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If the price of a toy usually costing £50 and id increased to £65 what is the increase percentage
Savatey [412]

Answer:

30%

Step-by-step explanation:

If the price went up to 65 from 50, that is an increase of 15. 15 is 30% of 50.

3 0
3 years ago
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Please help me with this
Vera_Pavlovna [14]

Answer:

226.19

Step-by-step explanation:

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The radius = diameter/2 = 6

pi * 6^2 * 2 = area of 2 tortillas

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That rounds to 226.19

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3 years ago
Use the frequency table to determine how many students received a score of 80 or better on an English exam.
Sveta_85 [38]
10 students scored above an 80
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3 years ago
Is 0.069 less than 0.07
Nuetrik [128]
Yes, 0.069 is less than 0.07~

First, we compare the "one" place: 0 = 0.

Second, we compare the "tenth" place: 0 = 0.

Next, we compare the "hundredth" place: 6 < 7.

Because 6 < 7, 0.069 < 0.07 as a result~
6 0
3 years ago
If (2 − 3i) + (x + yi) = 6, what is x + yi?
Soloha48 [4]

(2 − 3i) + (x + yi) = 6

We add the left hand side

(2+x) + (-3+y)i = 6

6 can be written in a+ib

6 can be written as 6 + 0i

(2+x) + (-3+y)i = 6 +0i

Now we frame 2 equations

2 + x= 6

-3 + y =0

Solve the first equation

2 + x = 6

Subtract 2 from both sides

x = 4

solve the second equation

-3 + y =0

Add 3 on both sides

y= 3

So x+yi is 4+3i

7 0
3 years ago
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