3 years ago

Find the value of x.

Mathematics

1 answer:

ra1l [238]3 years ago

8 0

The answer is to the question is 10

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Type the correct answer in the box.

gogolik [260]

Answer:

en español porfa no ablo ingles

7 0

3 years ago

Solve the system equations and choose the correct ordered pair <br><br> 3x+2y=12<br> 6x+3y=21

Harrizon [31]

Answer:

(2, 3).

Step-by-step explanation:

3x+2y=12

6x+3y=21 Multiply the first equation by 3 and the second by 2:

9x + 6y = 36

12x + 6y = 42 Subtract:

-3x = -6

x = -6/-3 = 2.

Plug x = 2 into the first equation:

3(2) + 2y = 12

2y = 12 - 3(2)

2y = 6

y = 3.

6 0

3 years ago

A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 436.0 gram setting. It

Vilka [71]

Answer:

We conclude that the machine is under filling the bags.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 436.0 gram

Sample mean, $\bar{x}$ = 429.0 grams

Sample size, n = 40

Alpha, α = 0.05

Population standard deviation, σ = 23.0 grams

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 436.0\text{ grams}\\H_A: \mu < 436.0\text{ grams}$

We use one-tailed(left) z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{429 - 436}{\frac{23}{\sqrt{40}} } = -1.92$

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.64$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that the machine is under filling the bags.

8 0

3 years ago

I recently scraped the overhang at a fast food resterant causing damage that appeared very minor while driving a Uhaul rented my

Sauron [17]

I think that you are reliable

3 0

3 years ago

2) The sides of a triangle in cm, are , x , 2x - 5 and 2x - 3. The perimeter of the triangle is 32 cm. Write down an equation fo

grandymaker [24]

Answer:A=X x=8

B=x X=9

C=x X=10

Step-by-step explanation:

8 0

3 years ago