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9966 [12]
2 years ago
13

In this survey, 77 people prefer basketball. In a survey done a couple months later, only 70

Mathematics
1 answer:
Mars2501 [29]2 years ago
3 0

Answer:

Minus 9.09090909% decrease

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Problem: Try this one on your own.
Anna [14]

Answer:

iiiii

Step-by-step explanation:

8 0
2 years ago
PLZZZZZZ HELP I DON'T WANNA GET IT WRONG
prohojiy [21]

Answer:

She will save $5.25

Step-by-step explanation:

21 x 25% = 5.25

3 0
2 years ago
Read 2 more answers
Solve using substitution.<br> y = -10x-10<br> y = -3x + 4
Nikolay [14]
-10x-10 = -3x+4
+3x +3x
————————
-7x-10 = 4
+10 +10
————————
-7x = 14
then divide -7 on both side of the equal sign
you’ll get x=-2

then plug in -2 as x into one of the equations ( it doesn’t matter which one)

y= -10(-2)-10 = 20-10= 10

so y=10


4 0
3 years ago
Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel.
Allisa [31]

Let, the age of Daniel be x years and Kevin be y years.

Given, Kevin is 3 years older than Daniel.

So we can write the equation as y=x+3

Also given, 2 years ago Kevin was 4 times as old as Daniel.

2 years ago, Daniel's age = (x-2) years

2 years ago, Kevin's age = (y-2) years.

So we can write the equation as (y-2) = 4(x-2)

We have got the two equations

y = x+3 ..... equation 1

(y-2) = 4(x-2) ..... equation 2

Now we are plugging in the value of y from equation 1 to equation 2

x+3-2 = 4(x-2)

x+1 = 4(x-2)

Now we have to distribute 4 in the right side.

x+1 = 4x -8

We will have to take x in one side. so let's move 4x to the left side by subtracting it to both sides.

x -4x+1 = 4x-4x -8

-3x+1 = 0-8

-3x+1 = -8

Now we have to move 1 to the right side by subtracting 1 from both sides.

-3x +1 -1 = -8-1

-3x+0 = -9

-3x = -9

Now we can get x by moving -3 to the right side. As -3 is multiplied there so we can move it by dividing both sides by -3.

-3x/-3 = -9/-3

x = 3

So we have got the required answer. Daniel is 3 years old.

8 0
3 years ago
2. Which of the following is not true about the
irga5000 [103]
The only one I can say for sure is correct without the picture is A because absolute value is always positive. Hope this helps!
6 0
2 years ago
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