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AfilCa [17]
3 years ago
12

Which is correct ? ^^^^

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
8 0

Answer:

C.

Step-by-step explanation:

(y•40)+(y•8)

40y+8y

48y

48•y

Shkiper50 [21]3 years ago
5 0

Answer:

c

Step-by-step explanation:

C because your looking for y*48 which is 48y. It is c because (y*40)+(y*8) gives you 40y+8y which equals 48y.

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8. Find the values of angles x, y,
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Answer:

option A

Step-by-step explanation:

option A is the correct answer of this question.

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3 years ago
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Help!<br><br> I fallen and can’t get up.
Gnom [1K]
I miss when everyone always said this

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7 0
3 years ago
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Which equations are related equations to x + 8 = 22?
andre [41]

Answer:

x=22+8 and x+22=8nd 8=22_x

8 0
3 years ago
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Solve the quadratic equations
Alexxx [7]

Answer:

for quadratic equation 1

y^2-10y+21=0

Step-by-step explanation:

y^2-7y-3y+21=0

y(y-7)-3(y-7)=0

(y-7)(y-3)=0

y-7=0,y-3=0

y=7,y=3

y=(3,7)

for quadratic equation 2

16p^2-8p+1=0

16p^2-4p-4p+1=0

4p(4p-1)-1(4p-1)=0

(4p-1)twice=0

4p-1=0,4p-1=0

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for quadratic equation 3

x^2-400=0

x^2=400

x=√400

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for quadratic equation 4

-16m^2-8m-1=0

multiply the equation by -

16m^2+8m+1=0

16m^2+4m+4m+1=0

4m(4m+1)1(4m+1)=0

4m+1=0 twice

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for quadratic equation 5

-3n^2+75=0

divide both side by -3

-3n^2/-3=-75/-3

n^2=25

n=√25

n=5

6 0
2 years ago
The heights in cm of some pupils are
tatuchka [14]

The median is a halfway point in the set of data.

List the numbers in order from smallest to largest:

111, 129, 144, 149, 152, 162, 166, 171

Because there are an even number of values in the data set, find the two middle numbers, add them together and then divide by 2:

Median = ( 149 + 152 ) /2

Median = 150.5

4 0
3 years ago
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