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4 years ago

Pls help in this question asap pls

Mathematics

1 answer:

ycow [4]4 years ago

5 0

Answer:

Total perimeter is 52.88 units

Step-by-step explanation:

In order to solve this problem, this is where the distance formula comes into play.

This is the distance formula: $d =\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Just plug the points for each side into the formula to find the length of that side and then add those sides together.

You will need a scientific calculator to add up the perimeter units.

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What is the mean of the data set?

svetoff [14.1K]

B) 12.75
Just add them all together
10+15+14+8+18+11+12+12+10+10+17+16=153
The devide the anser by the ammount of numbers you added together
153÷12=12.75

8 0

3 years ago

Read 2 more answers

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jonny [76]

Answer:

The zeros are the points where the parabola intercepts the x-axis.

$\sf x = 7 \implies x - 7 = 0$

$\sf x = 1 \implies x - 1 = 0$

$\sf \implies y = a(x - 7)(x - 1)$ where a is some constant

If the parabola passes through point (3, 4) then:

$\sf \implies a(3 - 7)(3 - 1) = 4$

$\sf \implies a(-4)(2) = 4$

$\sf \implies -8a = 4$

$\sf \implies a = -\dfrac12$

So the equation of the parabola is:

$\sf y = -\dfrac12(x - 7)(x - 1)$

Or in standard form:

$\sf y = -\dfrac12x^2+4x-\dfrac72$

7 0

2 years ago

Which of these ordered triples indicates where the plane cuts the x-axis for this equation? 3x + 4y + 6z = 12

Eduardwww [97]

Answer:

Option A is correct.

Step-by-step explanation:

Given equation is 3x + 4y + 6z = 12

We have to find ordered triplet which indicate where the plane cuts the x-axis.

To find x-coordinate where plane cuts the x-axis we put y and z equal to 0.

3x + 4 × 0 + 6 × 0 = 12

3x + 0 + 0 = 12

3x = 12

x = 4

So, the coordinate where it cuts x-axis is ( 4 , 0 , 0 )

Therefore, Option A is correct.

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4 years ago

During the spring car wash, the activities club washed 14 fewer cars than during the summer car wash. They washed a total of 96

Mashutka [201]

You can make an equation to solve this, but establishing knowns, unknowns, and relationships.

# in spring wash = x
# in summer = x + 14
Total Washes = 96

we know:
total = summer + spring

96 = (x) + (x + 14)
96 = 2x + 14
82 = 2x

"x" = 41

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3 years ago

What is the mean median and mode of 5.6 6.8 1.2 6.5 7.9 6.5 ???

rjkz [21]

Median - 6.5
mode- 6.5
mean-5.8

8 0

3 years ago