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Scorpion4ik [409]
2 years ago
8

What is the equation for an arithmetic equation sequence with a first term of 5 and a second term of 2?

Mathematics
2 answers:
Margaret [11]2 years ago
3 0

Answer:

THE THIRD ONE

Step-by-step explanation:

the equation: An=A1+d(n-1)


plug in the numbers

Sholpan [36]2 years ago
3 0
A1 = 5
d = a2-a1 = 2-5 = -3

a(n) = a + (n - 1)d \\ a(n) = 5 + (n -1) - 3 \\ a(n) = 5 - 3(n - 1)

Answer will be C.

!! Hope It Helps !!
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konstantin123 [22]
92 times 68 is 6,256
5 0
3 years ago
In variables estimation sampling, the sample standard deviation is used to calculate the?
Nikitich [7]

The sample standard deviation is used to calculate the determine the spread of estimates for a set of observations (i.e., a data set) from the mean (average or expected value).

<h3>What is sample standard deviation?</h3>

The spread of a data distribution is measured by standard deviation. The average distance between each data point and the mean is measured.

The sample standard deviation (s) is a measurement of the variation from the expected values and is equal to the sample variance's square root.

where

s = sample standard deviation

N = the number of observations

xi= the observed values of a sample item

\overline {x}= the mean value of the observations

Learn more about simple standard deviation, refer:

brainly.com/question/26941429

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3 0
1 year ago
Help meeee please eeee
Sphinxa [80]

Answer:

112 ft³

Step-by-step explanation:

→ Length (l) = 7 ft

→ Breadth (b) = 4 ft

→ Height (h) = 4 ft

Formula we use,

→ l × b × h

The volume of cuboid will be,

→ l × b × h

→ 7 × 4 × 4

→ [ 112 ft³ ]

Hence, the volume is 112 ft³.

8 0
1 year ago
Correct answers only please!
MrRissso [65]

Answer:

23.6°

Step-by-step explanation:

In this question we have to use some trigonometry to work out angle XVW. Since we are working out angles all of the trigonometric functions will have to be to the ⁻¹. The first thing we need to identify is will formula will we use out of the following:

Sin⁻¹ = Opposite ÷ Hypotenuse

Tan⁻¹ = Opposite ÷ Adjacent

Cos⁻¹ = Adjacent ÷ Hypotenuse

-------------------------------------------------------------------------------------------------------

10 = Hypotenuse

4 = Opposite

-------------------------------------------------------------------------------------------------------

We know which formula to use because the length won't be in the triangle for example we will be using the Sin triangle because we don't have an adjacent. If we don't have an adjacent then the other formula's won't work.

Now we substitute in the values to find the value of angle XVW

Sin⁻¹ = Opposite ÷ Hypotenuse

Sin⁻¹ = 4 ÷ 10

The value of angle XVW is 23.57817848

6 0
2 years ago
Pls help I don’t get it
nirvana33 [79]

Well you are trying to find x, so you would divide 5/8 by itself and on the other side.

(5/8x / 5/8) = (10 / 5/8)

x=16

Hope this helps!

8 0
3 years ago
Read 2 more answers
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