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d1i1m1o1n [39]
2 years ago
12

A Spanish test has 30 questions. A student answers 80% correctly.

Mathematics
1 answer:
ad-work [718]2 years ago
6 0

Answer:

24

Step-by-step explanation:

Lets start by working out 80% of 30

80% x 30=24

so the student answered 24 questions correctly

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List three ways express 3 to the 5 power as a product of powers
sweet [91]
3^5 = 3^3 \times 3^2\\\\3^5 = 3^4\times 3^1\\\\3^5 = 9^2 \times 3^1\\\\3^5=3^2\times 27^1

You can chose any three out of those four.

Hope that helped :)
6 0
3 years ago
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HELPPPPP PLEASEE (check photo)
forsale [732]

Answer:

we can write them as (x^7/2)×(x^5/3)

by laws of exponent :- (x)^7/2+5/3

which is (x)^35/6.

so yeah Kenzie is right.

7 0
2 years ago
Which fraction is greater, 2/3 or 5/6
Degger [83]
\frac{2*2}{3*2}= \frac{4}{6 }   \\  \\  \frac{5}{6}\ \textgreater \  \frac{4}{6  }  \\  \\   \frac{5}{6}\ \textgreater \  \frac{2}{3}
4 0
3 years ago
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1.The sum of three consecutive numbers minus 12 is 75
Arte-miy333 [17]

Answer:

The answer is

One:   28, 29, 30

Two: 75,77

Step-by-step explanation:

One

Let the three numbers be (x - 1) , x , and x + 1

(x - 1) + x + (x +1 ) - 12 =  75                Remove the brackets

x - 1 + x + x + 1 - 12 = 75                    Combine the like terms on the left

3x - 12 = 75                                       Add 12 to both sides

3x = 75 + 12

3x = 87                                              Divide by 3

x = 87/3

x = 29

Two

Let the first odd number = 2x -1

Let the second odd number = 2x + 1

2x - 1 + 2x + 1 + 18 = 170           Combine like terms on the left.

4x + 18 = 170                             Subtract 18 from both sides.

4x = 170 - 18                             Combine like terms on the right

4x = 152                                     Divide by 4

4x/4 = 152/4

x = 38

2 * 38 - 1 = 75

2 * 38 + 1 = 77

7 0
3 years ago
Find the distance between each of the following pairs of points. (1,5) and (2,3)
Lapatulllka [165]

Answer:

The distance is 2.2360....

Step-by-step explanation:

Hope this helps! Have an Amazing day!!

3 0
3 years ago
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