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3 years ago

-5.65 ___ -5.6

Mathematics

1 answer:

allochka39001 [22]3 years ago

3 0

Answer:

B. (-5.65 < -5.6)

Step-by-step explanation:

-5.6 is considered -5.60 if you fill in the missing decimal point to create two spaces after the decimal to compare. Since both decimals are negatives, -5.6 is closer to 0 on the number line.

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X is increased by 50% and decreased by 30%. What is the result?

omeli [17]

Answer:

its the same as increasing x by 5 percent

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1 year ago

What is the value for f(x)4^2x -100 when x=2 ?<br><br> (the ^2x is a exponent)

PolarNik [594]

Answer:

156

Step-by-step explanation:

f(x)= 4^(2x) -100

Let x =2

f(2)= 4^(2*2) -100

= 4^4 - 100

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2 years ago

The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 year

puteri [66]

Answer:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

Step-by-step explanation:

information given

$\bar X=10.6$ represent the sample mean

$\sigma=4.1$ represent the population standard deviation

$n=45$ sample size

$\mu_o =12$ represent the value that we want to test

$\alpha=0.05$ represent the significance level for the hypothesis test.

z would represent the statistic

$p_v$ represent the p value for the test

Hypothesis to test

We want to test if the true mean is less than 12, the system of hypothesis would be:

Null hypothesis: $\mu \geq 10$

Alternative hypothesis: $\mu < 10$

The statistic is given by:

$z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}$ (1)

Replacing the info given we got:

We can replace in formula (1) the info given like this:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

8 0

3 years ago

The Elmina Wilson Company produces spaghetti sauce that is used in restaurants. The fixed costs total $1,329,050. The selling pr

Alekssandra [29.7K]

Answer:

174879 units

Step-by-step explanation:

Given that The Elmina Wilson Company produces spaghetti sauce.

Fixed costs =1,329,050 $

Selling price per 64 oz= $12.40$

Variable cost per can = $4.80$

Contribution = S-V=Selling price - var cost = 7.60 $

Break even poin in no of units = Fixed cost/Contribution per unit

= $\frac{1,39,050}{7.60} \\=174878.94\\=174879$

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3 years ago

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WARRIOR [948]

Answer:

I don't understand the question. Pls is there any picture

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2 years ago