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Fantom [35]
2 years ago
15

HELPPP FOR BRAINLEST PLEASD

Mathematics
1 answer:
Reika [66]2 years ago
7 0

Answer:

1 = T

2 = F

3 = T

4 = F

Step-by-step explanation:

I am numbering each true/false question from top to bottom(the highest question is question #1 and the lowest question is #4)

1. True - because the line starts at $6 on the graph, when the x is 0,  meaning it cost $6 to get into the County fair, while when the x is zero on the chart, it only cost $3 so it does cost 3 more dollars to get into the state fair.

2. False - Caylee only spend $2 less than Riley

3. True - when x is 3 on both charts, y is 12 on both charts so this is true.

4. False - because it only increases by $3 between each ride.

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The average score of students in Mr. Blake's science class was 73 with a standard deviation of 11, while the average score of st
Pani-rosa [81]

Answer:

Mr Blake's science class

Step-by-step explanation:

The standard deviation is a measure of variation.

It tells us how far each of the data set in the distribution are far from the mean of the distribution.

The average score of students in Mr. Blake's science class was 73 with a standard deviation of 11, while the average score of students in Mrs. Arnold's class was 75 with a standard deviation of 10.

Since 11>10, Mr Blake's science class is more variable than Mrs. Arnold's class.

3 0
2 years ago
4x + 5y = 3<br>kx + 15y = 9 find k<br>​
9966 [12]

Answer:

12

Step-by-step explanation:

4x + 5y = 3 ................ (i)

kx + 15y = 9................(ii)

Dividing eqn (ii) by 3, we get,

k/3 x + 5y = 3.............(iii)

Subtracting eqn (iii) by eqn (i), we get,

-4x - k/3 x = 0

or, -(4 - k/3 )x = 0

or, 4 - k/3 = 0/x

or, 4 - k/3 = 0

or, 4 = k/3

or, k = 4*3

:. k = 12 (Ans)

6 0
3 years ago
Teddy has two piggy banks. The difference in the amount of money between the two banks is no more than $10. One piggy bank has $
just olya [345]

Answer:

2.69≤x≤17.31

Step-by-step explanation:

Lety the amount in the other Piggy bank be x.

The difference in the amount of money between the two banks is no more than $10 is expressed as;

|x-7.31| ≤ 10

The value in the modulus sign can be positive or negative

If positive;

x-7.31 ≤ 10

x ≤ 10+7.31

x≤17.31

If negative

-(x-7.31) ≤ 10

-x+7.31 ≤ 10

-x ≤ 10-7.31

-x ≤ 2.69

Multiply both sides by -1

x ≥ -2.69

The compound inequality representing the amount of money in the other bank is -2.69≤x≤17.31

4 0
2 years ago
Need help with two questions regarding geometry
Oksanka [162]

Answer:

I think the first one is 5200 and the second one is 3

7 0
2 years ago
What is the equation for the line of symmetry in this figure?
EleoNora [17]

Answer:

Step-by-step explanation:

Y-axis is the line of symmetry as it divides the figure into two equal parts

6 0
3 years ago
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