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almond37 [142]
2 years ago
14

Erica sells magazine subscriptions and makes a flat rate of $5.35 for each subscription she sells. If Erica made $42.80 on Monda

y, $64.20 on Tuesday and $74.90 on Wednesday, how many subscriptions did she sell in the three days
Mathematics
2 answers:
prohojiy [21]2 years ago
7 0

to find the number of subscribtion sold we divide the money she made by the price of subscription

monday:

42.80/5.35=8 subscriptions sold

tuesday:

64.20/5.35=12 subscriptions sold

wednesday:

74.90/5.35=14 subscriptions sold

8+12+14=<u><em>34 subscriptions sold in 3 days</em></u>

Marianna [84]2 years ago
5 0

Answer:

34 subscriptions she sold

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Masja [62]

Answer: choice B

Explanation: Go through each answer choice and try the Pythagorean theorem to see if it works. This is because a right triangle’s side lengths are described by the Pythagorean theorem. one side^2 + second side^2 = longest side^2. In a right triangle, this equation will be true. Let me show you what I mean

For answer choice A:

(root 2)^2 + (root 3)^2 = (root 4)^2

2 + 3 = 4

5 = 4

5 does not equal 4. Therefore it cannot be A.

For answer choice B:

(root 8)^2 + (3)^2 = (root 17)^2

8 + 9 = 17

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this is true! therefore this is a right triangle and it’s B

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3 years ago
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Answer:

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Step-by-step explanation:

see attached document

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2 years ago
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iogann1982 [59]

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Step-by-step explanation:

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2 years ago
How do you factor out the coefficient of 1/8x-49/8
vodka [1.7K]
Simplify 1/8x

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3 years ago
There are values of t so that sin t=.35 and cos t=.6
NISA [10]

Recall the fundamental rule of trig:

\sin^2(x)+\cos^2(x)=1 \quad\forall x \in \mathbb{R}

So, there exists an angle t such that

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if and only if

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Working out the numbers, we get

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So, there doesn't exist a number t such that

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