3 years ago

NEED HELP ASP Find the common difference of the arithmetic sequence -8, -15, -22, ...

Mathematics

1 answer:

lukranit [14]3 years ago

7 0

Answer:

-7

Step-by-step explanation:

To find the differences in a sequence, subtract the term before:

-15 -(-8) = -7

-22 -(-15) = -7

These differences are the same, so constitute the "common" difference.

The common difference of the sequence is -7.

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If cosθ=40/41,find sinθ,cotθ,secθ

fgiga [73]

Hello.

Angle Theta is equal to: x² + y² = r² OR $r = \sqrt{ x^{2} + y^{2} }$

40² + y² = 41²
1600 + y² = 1681
-1600 -1600
y² = 81
y = 9

x = 40, y = 9, r = 41

<span>cos θ= </span> $\frac{x}{r}$ = $\frac{40}{41}$

sin θ = $\frac{y}{r} = \frac{9}{41}$
cot θ = $\frac{x}{y} = \frac{40}{9}$
sec θ = $\frac{r}{x} = \frac{41}{40}$

Hopefully it makes sense! :)

6 0

4 years ago

Which is the best estimate of the mass of a pack of gum? A. 100 grams B. 30 grams C. 3 grams D. 180 gramsWhich is the best estim

AnnZ [28]

Answer:

Around 30 grams

Step-by-step explanation:

For scale:

A penny weighs roughly 3 grams

2 eggs would weigh near 100 grams

7 0

3 years ago