3 years ago

Evaluate 2d + 3 when d = 8

Mathematics

1 answer:

vlada-n [284]3 years ago

7 0

Answer:

Step-by-step explanation:

2d+3

=2(8)+3

2*8

=16+3

=19

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(a) Find an angle between 0 and 2π that is coterminal with −19π10.

Katarina [22]

Answer:

$\dfrac{\pi}{10}$ .

Step-by-step explanation:

All coterminal angles of an angle $\theta$ are defined as

$\theta +2n\pi$ or $\theta + n360^{\circ}$

where, n is an integer.

The given angle is

$\theta=-\dfrac{19\pi}{10}$

So, all coterminal angles of an angle $\theta$ are

$-\dfrac{19\pi}{10}+2n\pi$

For n=1,

$\Rightarrow -\dfrac{19\pi}{10}+2(1)\pi$

$\Rightarrow -\dfrac{19\pi}{10}+2\pi$

$\Rightarrow \dfrac{-19\pi+20\pi}{10}$

$\Rightarrow \dfrac{1\pi}{10}$

Since, $\dfrac{\pi}{10}$ between 0 and 2π, therefore, the required coterminal angle is $\dfrac{\pi}{10}$ .

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2 years ago

What is the answer on this one.

pav-90 [236]

Answer:

On x it is 9, on y it is 37,49

Step-by-step explanation:

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2 years ago

9) Tony the Tiger spent $95 on 5 sweaters that each cost the

Shalnov [3]

Answer:

5 sweaters cost = $95

1 sweater = $19

3 × 19 = 57

6 0

3 years ago

Read 2 more answers

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sleet_krkn [62]

Answer:

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Step-by-step explanation:

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3 years ago

Which number line represents the solution to the inequality 125x + 200 > 1,200?

Elza [17]

Answer:

see below

Step-by-step explanation:

25x + 200 > 1,200

Subtract 200 from each side

25x + 200-200 > 1,200-200

25x> 1000

Divide by 25

25x/25 >1000/25

x>40

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2 years ago