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3 years ago

Will give brainliest!

Mathematics

2 answers:

IgorLugansk [536]3 years ago

4 0

I'm really not sure, but I do know
6. distance
5.time driving spent
4. time money invested
3. rate of interest
2. rate of speed
1. simple interest

Hope this helps

PilotLPTM [1.2K]3 years ago

3 0

1. Simple interest
2. Time spent driving
3. rate of interest
4. Time money is invested.
5. Rate of speed
6. distance

Not completely sure.

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A foresting service conducted a survey to see if tree farms that planted hardwood trees were more profitable over a 30-year peri

Advocard [28]

Answer:

The results are statistically significant because planting hardwood trees have a higher profit per acre.

Step-by-step explanation:

From the question above,

It shows that hardwood trees had a 46% higher Profit per acre than softwood trees.

Meaning that for every $100 made on softwood trees, $146 profit would be made on hardwood trees i(including both primary and secondary expenses; making the hardwood trees more profitable.

The information given is enough to reach a conclusion that planting hardwood trees have a higher profit per acre than softwood trees.

8 0

3 years ago

CAN SOMEONE PLEASE HELP ME???

Varvara68 [4.7K]

Answer:

m=2

Step-by-step explanation:

slope is the average rate of change in a specific interval

we can calculate slope in this case with Δy/Δx or (y2-y1)/(x2-x1)

m=(y2-y1)/(x2-x1)

=(-1-7)/(-3-1)

=-8/-4

5 0

3 years ago

An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre

Shtirlitz [24]

Answer:

Null Hypothesis, $H_0$ : $\mu \leq$ 250 W

Alternate Hypothesis, $H_A$ : $\mu$ > 250 W

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

Let $\mu$ = mean power consumption of microwave ovens.

So, Null Hypothesis, $H_0$ : $\mu \leq$ 250 W

Alternate Hypothesis, $H_A$ : $\mu$ > 250 W

Here, null hypothesis states that the mean power consumption of microwave ovens is no more than 250 W.

On the other hand, alternate hypothesis sates that the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is One-sample z test statistics as we know about the population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }$ ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

5 0

3 years ago

Two angles are complementary and the measure of one is 36

marysya [2.9K]

Answer:The angles are 63 degrees and 27 degrees
This is true because when you subtract 27 from 63 you get 36. And when you add 27 to 63 you get 90 aka the complimentary angle we’re looking for.

7 0

3 years ago

Please help!! (please don’t reply if you’re just going to say “ don’t know “ etc please and thank you)

Nastasia [14]

Answer:

a = -1 , b = 4 , c = 3 , d = 1

Step-by-step explanation:

The general rules of exponent:

$1) \ a^m * a^n = a^{m+n}\\2) \ a^m / a^n = a^{m-n}\\3) (-1)^m = 1 \ (if \ m \ is \ +) and \ = \ -1 \ (if \ m \ is \ -)$

===================================================

Given:

$(-xy)^3 (xz) =ax^by^cz^d$

The right hand side = (-xy)³ (xz) = (-1)³ x³ y³ x z = (-1) x⁴ y³ z

Comparing the right hand side with the left hand side

∴ a = -1

∴ b = 4

∴ c = 3

∴ d = 1

8 0

3 years ago