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3 years ago

Please help I’ll do anything :(

Mathematics

2 answers:

Sholpan [36]3 years ago

8 0

Answer:

Easy

Step-by-step explanation:

Text me and I will give u a better explanation My computer is gonna die so yep

661 662 2144 byee

evablogger [386]3 years ago

6 0

Answer:

it goes by 2 to 4 to 8 to 12 to 16 so therefore your answer is 4

Step-by-step explanation:

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A box of oranges weighs 4kg. if one orange weighs 80 g how many oranges are in the box?

wlad13 [49]

Answer:

50 Oranges is your answer.

Step-by-step explanation:

Lets see..

4 kg = 4000 grams mainly because 1kg = 1000 grams in total.

4000 grams divided by 80 grams will give you the number of oranges that the box has since each orange weighs 80 grams.

4000/80 = 50.

hope this helps!

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3 years ago

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GrogVix [38]

What rectangles?
attach a link or pic

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3 years ago

Mathematical literacy

melomori [17]

Answer:

hope that help

Step-by-step explanation:

Mathematical literacy is defined as: "an individual's capacity to formulate, employ and interpret mathematics in a variety of contexts. It includes reasoning mathematically and using mathematical concepts, procedures, facts and tools to describe, explain and predict phenomena.

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3 years ago

2. “The inverse of every function must be a function itself.” State whether you agree or disagree with the statement providing e

Jet001 [13]

Technically this is not necessarily true for all. A function has each input mapped to one output, therefore there can be two inputs that have the same output. However, when inverted, the input will have two outputs, which is not a function. For example with (1,3) (2,3) (3,4) (4,5) this is a function but switched (3,1) (3,2) ! Two inputs have the same output, which is not a function!

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3 years ago

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Complete parts (a) through (c) below. (a) Determine the critical value(s) for a right-tailed test of a population mean at t

olga_2 [115]

Answer:

a) The critical value on this case would be $t_{crit}=1.325$

b) The critical value on this case would be $t_{crit}=-1.345$

c) The critical values on this case would be $t_{crit}=\pm 2.201$

Step-by-step explanation:

Part a

The system of hypothesis on this case would be:

Null hypothesis: $\mu \leq \mu_0$

Alternative hypothesis: $\mu > \mu_0$

Where $\mu_0$ is the value that we want to test.

In order to find the critical value we need to find first the degrees of freedom, on this case that is given df=20. Since its an upper tailed test we need to find a value a such that:

$P(t_{20}>a) = 0.1$

And we can use excel in order to find this value with this function: "=T.INV(0.9,20)". The 0.9 is because we have 0.9 of the area on the left tail and 0.1 on the right.

The critical value on this case would be $t_{crit}=1.325$

Part b

The system of hypothesis on this case would be:

Null hypothesis: $\mu \geq \mu_0$

Alternative hypothesis: $\mu < \mu_0$

Where $\mu_0$ is the value that we want to test.

In order to find the critical value we need to find first the degrees of freedom, given by:

$df=n-1=15-1=14$

Since its an lower tailed test we need to find b value a such that:

$P(t_{14}$

And we can use excel in order to find this value with this function: "=T.INV(0.1,14)". The 0.1 is because we have 0.1 of the area accumulated on the left of the distribution.

The critical value on this case would be $t_{crit}=-1.345$

Part c

The system of hypothesis on this case would be:

Null hypothesis: $\mu = \mu_0$