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amm1812
3 years ago
11

Can I get some help? I will be giving brainliest!

Mathematics
1 answer:
vfiekz [6]3 years ago
3 0

Answer:

1.) slope = 2

2.) slope = -2\frac{2}{3}

3.) slope = \frac{2}{3}

4.) slope = \frac{1}{4}

5.) slope = 1\frac{8}{9}

6.) slope = -2

7.) slope = -3

Step-by-step explanation:

In order to find the slope we have to divide they "y" value (the number of units by which the piece of antler goes up) by the "x" value the number of units by which the piece of antler goes to the side). Notice the if the antler moves to the left as it foes up then the "x" value is negative.

Now as I said before we know this......

Let "m" be the slope, then....

m = \frac{y}{x}

So now we just have to plug in the y and x values for each antler and we will get the slopes for each one of them.

1.)

m = \frac{y}{x}

m= \frac{4}{2}

m = 2

2.)

m = \frac{y}{x}

m = \frac{4}{-1.5}

m = -2\frac{2}{3}

3.)

m = \frac{y}{x}

m = \frac{2}{3}

4.)

m = \frac{y}{x}

m = \frac{1}{4}

5.)

m = \frac{y}{x}

m = \frac{8.5}{4.5}

m = 1\frac{8}{9}

6.)

m = \frac{y}{x}

m = \frac{2}{-1}

m= -2

7.)

m = \frac{y}{x}

m = \frac{3}{-1}

m = -3

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5 0
3 years ago
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Step-by-step explanation:

It is a parallelogram so m+8 = 3m and 2n-1 = 9

7 0
3 years ago
A sample is selected from a population with μ = 46, and a treatment is administered to the sample. After treatment, the sample m
Georgia [21]

Answer:

0.5

Step-by-step explanation:

Solution:-

- The sample mean before treatment, μ1 = 46  

- The sample mean  after treatment, μ2 = 48

- The sample standard deviation σ = √16 = 4

- For the independent samples T-test, Cohen's d is determined by calculating the mean difference between your two groups, and then dividing the result by the pooled standard deviation.

                           Cohen's d = \frac{u2 - u1}{sd_p_o_o_l_e_d}

- Where, the pooled standard deviation (sd_pooled) is calculated using the formula:

                          sd_p_o_o_l_e_d =\sqrt{\frac{SD_1^2 +SD_2^2}{2} }

- Assuming that population standard deviation and sample standard deviation are same:

                          SD_1 = SD_2 =  σ = 4

- Then,

                           sd_p_o_o_l_e_d =\sqrt{\frac{4^2 +4^2}{2} } = 4

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                          Cohen's d = \frac{48 - 46}{4} = 0.5

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Round the answer to the nearest
kykrilka [37]

By knowing the <em>blood</em> pressure and applying the <em>quadratic</em> formula, the age of a man whose normal <em>blood</em> pressure is 129 mm Hg is 40 years old.

<h3>How to use quadratic equations to determine the age of a man in terms of blood pressure</h3>

In this problem we have a <em>quadratic</em> function that models the <em>blood</em> pressure as a function of age. As the latter is known, we must use the quadratic formula to determine the former:

129 = 0.006 · A² - 0.02 ·A + 120

0.006 · A² - 0.02 · A - 9 = 0

A = \frac{0.02 \pm \sqrt{0.006^{2}-4\cdot (0.006)\cdot (- 9)}}{2\cdot (0.006)}

A = 1.667 + 38.733

A = 40

By knowing the <em>blood</em> pressure and applying the <em>quadratic</em> formula, the age of a man whose normal <em>blood</em> pressure is 129 mm Hg is 40 years old.

To learn more on quadratic equations: brainly.com/question/1863222

#SPJ1

4 0
2 years ago
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