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tensa zangetsu [6.8K]

3 years ago

8

-3 1/2 x 5 5/6. Plz help me what's the answer plz

1 answer:

Kitty [74]3 years ago

4 0

Exact Form: -245/12 , Decimal Form: -20.4166666, or Mixed Number Form: -20 5/12

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The claim is that the white blood cell counts of adult females are normally? distributed, with a standard deviation equal to 1.6

antiseptic1488 [7]

From the question, we know the population standard deviation, σ = 1.63, the sample standard deviation, s = 3.07, the sample mean, $\bar{x}=7.43$ and the sample size, n = 38.

The question illustrates a hypothesis chi-square test of variance.

The test statistics for a Chi-squared test of variance is given by
$T=(n-1)\left( \frac{s}{\sigma} \right)^2 \\ \\ =(38-1)\left( \frac{3.07}{1.63} \right)^2 \\ \\ =37(1.883)^2=37(3.5473) \\ \\ =131.25$

7 0

3 years ago

Not sure if it is hyperbola or hyperbole.

Juliette [100K]

Answer:

obviously it's always gonna be hyperbola lol

7 0

3 years ago

Read 2 more answers

Can someone please help me?

kozerog [31]

Answer:

c

Step-by-step explanation:

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7 0

3 years ago

If m <5=42 what is m <4<br><br> 42<br> 48<br> 128<br> 138

Reika [66]

Answer:

48° or 138°

Step-by-step explanation:

$Complementary \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: Supplementary$

$90° = 42° + m∠4 \: \: \: \: \: 180°= 42° + m∠4$

$48°= m∠4 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 138° = m∠4$

I am joyous to assist you anytime.

5 0

4 years ago

A pattern exists among the units digit of the posers of 8 as shown in the diagram.

guajiro [1.7K]

Answer:

B) 4

Step-by-step explanation:

We can solve this by observing some pattern.

The powers ending in 4 as unit digit are:

${8}^{2} , {8}^{6} , {8}^{10} , {8}^{14} , {8}^{20} ,...$

The exponents form the sequence:

2,6,10,14,20,...

We need to check if 62 belongs to this sequence.

This is an arithmetic sequence with a common difference of 4 and a first term of 2.

The explicit formula is

$2 + 4(n - 1)$

We equate this to 62 and solve for n.

$2 + 4(n - 1) = 62 \\ 4(n - 1) = 60 \\ n - 1 = 15 \\ n = 16$

Since n is a natural number, 62 belongs to the sequence.

Hence

${8}^{62}$

will have a unit digit of 4.

4 0

3 years ago