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3 years ago

12

Help looks like i forgot to read a ruler

2 answers:

Sonja [21]3 years ago

8 0

Answer:

The answer might be A

Step-by-step explanation:

hope this helps

alexandr402 [8]3 years ago

3 0

Answer:

the answer is A

Step-by-step explanation:

because when looking at the ruler there is a 5 so the 5 is the whole number and when you move 5 spaces it is the numarotar and the 8 is the denomnator. hope it helpd

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Determine if the three numbers form a

IgorLugansk [536]

Answer:

A acute

Step-by-step explanation:

cause an acute it between 0-90 degrees

7 0

3 years ago

Algebraically determine the values of h and k to correctly complete the identity stated below 3x^3-6x^2+4x-2=(x-2)(3x^2+hx+4)+k

Marrrta [24]

We want to find h and k so that
3x³ - 6x² + 4x - 2 ≡ (x-2)(3x² + hx + 4) + k

Expand the right side.
(x-2)(3x² + hx + 4) + k
= 3x³ + hx² + 4x - 6x² - 2hx - 8 + k
= 3x³ + (h-6)x² + (4 - 2h)x + k - 8

Match coefficients of x²:
h - 6 = -6
h = 0

Match coefficients of x:
4 - 2h = 4 (Correct because h=0)

Match constants.
k - 8 = -2
k = 6

Answer: h=0, k=6

4 0

3 years ago

I need help solving this. I am completely lost. It would be great if you would help me

AysviL [449]

Hope it helps!!!!!! :):):)

6 0

4 years ago

What equation defines a line through points (-2, 7) and (6, -9)

Tanya [424]

$7 = - 2k + b \\ - 9 = 6k + b \\ \\ 7 = - 2k + b \\ 9 = - 6k - b \\ \\16 = - 8k \\ k = - 2$

Now we can find b

$7 = - 2 \times ( - 2) + b \\ 7 = 4 + b \\ b = 3$

Answer:

$y = - 2x + 3$

4 0

3 years ago

Hown below are the top 15 market research firms in the United States in 2014 according to the AMA Gold Top 50 Report. Compute th

Maru [420]

Solution :

Number Values (X) $\sum (X_i - \bar X)^2$

1 121.5 193494.4144

2 138.9 178489.3504

3 155.7 164576.2624

4 172 151616.7844

5 172.9 150916.7104

6 196.5 133137.4144

7 202.3 128938.4464

8 202.7 128651.3424

9 334.5 51474.5344

10 504 3292.4644

11 563.7 5.3824

12 574.1 161.7984

13 935 139591.9044

14 952.6 153053.0884

15 3194.3 6932267.726

Total 8420.7 8509667.624

Mean $\bar X = \sum \frac{X_i}{n}$

$=\frac{8420.7}{15}$

= 561.38

Median :

$Q_2 = \left(\frac{1}{2}n+\frac{1}{2}\right)^{th}$ value

$= \left(\frac{1}{2}\times 15+\frac{1}{2}\right)^{th}$ value

= 202.7

Percentile = $\left(\frac{P}{100} \times n + \frac{1}{2}\right)^{th}$ value

= $\left(\frac{50}{100} \times 15 + \frac{1}{2}\right)^{th}$ value

= 202.7

Percentile = $\left(\frac{P}{100} \times n + \frac{1}{2}\right)^{th}$ value

= $\left(\frac{40}{100} \times 15 + \frac{1}{2}\right)^{th}$ value

= 198.82

Percentile = $\left(\frac{P}{100} \times n + \frac{1}{2}\right)^{th}$ value

= $\left(\frac{90}{100} \times 15 + \frac{1}{2}\right)^{th}$ value

= 1849.28

$Q_1 = \left(\frac{1}{4}n+\frac{1}{4}\right)^{th}$ value

$= \left(\frac{1}{4}\times 15+\frac{1}{4}\right)^{th}$ value

= 172

$Q_3 = \left(\frac{3}{4}n+\frac{3}{4}\right)^{th}$ value

$= \left(\frac{3}{4}\times 15+\frac{3}{4}\right)^{th}$ value

= 574.1

Therefore, the range = highest value - lowest value

= 3194.3 - 121.5

= 3072.8

Now the interquartile range = $Q_3-Q_1$

= 574.1 - 172

= 402.1

8 0

3 years ago