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guajiro [1.7K]
3 years ago
8

What's the linear function that passes through (1,-6) and (-8,9)​

Mathematics
1 answer:
ioda3 years ago
3 0

Answer:

x axis?

Step-by-step explanation:

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A plastic bin contains red, yellow, and green key chains. Out of 350 key chains, 10% percent are yellow. Of the remaining key ch
artcher [175]
Hey You!

350 * 10% = 35

350 - 35 = 315

315 / 5 = 63

63 × 3 = 189

315 - 189 = 126

There are 126 red keys in the bin! =)
4 0
3 years ago
A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 419 gram setting. It
Pachacha [2.7K]

Answer:

We reject the null hypothesis, and accept the alternative hypothesis.

So, it means that the machine is under filling the bags

Step-by-step explanation:

Given

Null Hypothesis

H_0:\mu = 419 --- works correctly at 419g

Alternate Hypothesis

H_0:\mu < 419 --- under fills the bag

n =15 --- the sample

\bar x = 409 --- the mean

\sigma = 22 --- the standard deviation

\alpha = 0.05 --- the significance level

Required

What is the decision rule

Since n is less than 30, we make use of t test

t = \frac{\bar x - \mu}{\sigma/\sqrt n}

t = \frac{409 - 419}{22/\sqrt{15}}

t = \frac{-10}{22/ 3.87}

t = \frac{-10}{5.58}

t = -1.792

Calculate df

df = n-1

df = 15-1

df = 14

Calculate the p value from the Student's t-distribution  at df = 14 and t = -1.792

p =0.047  

Given that: \alpha = 0.05

Since p < \alpha

So, it means that the machine is under filling the bags

6 0
3 years ago
A chess team has 26 members. However, only 16 members attended the last meeting: half of the girls attended but all of the boys
madam [21]
26-16=10. So I believe it would be 10 girls and 6 boys.
6 0
3 years ago
What is the domain of the following parabola? u-shaped graph that opens up with a vertex of 2, negative 3 All real numbers x ≥ 1
Shtirlitz [24]
The Answer is A, All real Numbers. Hope you do well!
4 0
3 years ago
Read 2 more answers
The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. 1.7 7.7 8.3 1.6 5.1 Fin
____ [38]

Answer:

The mean is 4.88 hours / day

Step-by-step explanation:

To calculate the mean we just add the values and divide by the number of items (in this case we add the hours and divide by the number of days)

so the equation would be

\frac{1.7+7.7+8.3+1.6+5.1}{5}=4.88

5 0
3 years ago
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