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SOVA2 [1]
3 years ago
8

Question 5

Mathematics
1 answer:
kramer3 years ago
8 0

Answer:

The possible numbers that Kelley might have scored are:

1, 2, 3, 4, 5, 6, 7 and 8

Step-by-step explanation:

Please kindly see the attached file for more explanation

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How do you simplify 5 plus the square root of 3 squared?<br><img src="https://tex.z-dn.net/?f=%285%20%2B%20%20%5Csqrt%7B3%7D%29%
blondinia [14]

Use identity -

(a+b)² = a²+b²+2ab

(5+√3)² = 5²+(√3)² + 2(5)(√3)

= 25 + 3 + 10√3

= 28 + 10√3

= 2(14+ 5√3)

7 0
4 years ago
Read 2 more answers
If 2x^2 equals 3x+2 then what is the sum of 2 solutions
Aleks [24]

Answer:

2x^2=3x+2

2x^2-3x-2=0

(x-2)(x+1/2)=0

x=2 or x=-1/2

The sum of 2 solution 2+-1/2=3/2

Step-by-step explanation:

5 0
3 years ago
I need help with the first two
mel-nik [20]
The work and answer provided are correct, the simpler way of doing it is

1)
1/6 page written in 1/12 of a minute
to write a full page, you would need to write 1/6, 6 times
so,
\frac{1}{6} \time 6 = 1
and
\frac{1}{12} \times 6 = \frac{6}{12} = \frac{1}{2}

so it takes 1/2 of a minute to write a full page, there are 60 seconds in a minute, 1/2 of 60 seconds is 30 seconds

same process works for question 2(use 3 instead of 6 though)
6 0
3 years ago
Which ratios form a proportion
Lelu [443]

Answer:

C

Step-by-step explanation:

To form a proportion, you need two equal ratios.

Divide the numerator by the denominator of all fractions.

Any two fractions that are equal are a proportion.

A.

4/9 = 0.4444...

9/4 = 2.25

Fractions are not equal. Not a proportion.

B.

4/10 = 0.4

10/25 = 0.4

Fractions are equal. Proportion

C.

4/11 = 0.363636...

6/13 = 0.46153846...

Fractions are not equal. Not a proportion.

D.

I can't read the fractions, but do the same I did above.

Divide each numerator by the denominator and compare the decimals. If they are equal its a proportion. If theya re not equal, it is not a proportion.

3 0
2 years ago
Helppppppppppppppppppppppppp
Monica [59]
The answer is C , 10/m5
4 0
3 years ago
Read 2 more answers
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