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Fittoniya [83]
3 years ago
6

Please answer I need help it is a choose question but I provided pictures of every arrow. FREE 25 points if correct.

Mathematics
1 answer:
Alenkinab [10]3 years ago
8 0
1. positive
2. the last one
3. neg
4. pos
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A pair of rollerskates is discounted by 40% the normal price is $65 what is the discounted price
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The price is 36 because 40% of 65 is 29 and 65-29 equals 36.
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3 years ago
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Represent the complex number graphically, and find the trignometric form of the number. 1 + 3i
nevsk [136]

The trigonometric form of the complex number 1 + 3i is 3.16[cos(71.57)° + isin(71.57°)]

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Complex number is in the form z = a + bi, where a, b are real numbers.

Given the complex number z = 1 + 3i

In polar form: r = √(1² + 3²) = 3.16

Ф = tan⁻¹ (3/1) = 71.57⁰

The trigonometric form of the complex number 1 + 3i is 3.16[cos(71.57)° + isin(71.57°)]

Find out more on equation at: brainly.com/question/2972832

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7 0
2 years ago
A new shirt costs $14.99. If the shirt in sale for 1/5 off its price, about much would you save. SOLUTION PLS
Tasya [4]

Answer:

As per the given condition:

A new shirt costs $14.99.

If the shirt has a sale for \frac{1}{5} off its price.

Now, we find how much you save on this shirt:

First find the \frac{1}{5} of $14.99

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\frac{1}{5} \times \$14.99 = \frac{\$14.99}{5} =\$ 2.998

⇒ you have the discounted value is $ 3 .

You pay for the shirt is: $14.99 -$ 2.998 = $11.992

Therefore, you would save $2.998 or $ 3 in buying your new shirt.


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On Tuesday,620 students attended a middle school.A survey showed that 341 students brought lunch to school the day . What percen
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2 years ago
3(x+1) + 1 = a(x+1)-x
olga nikolaevna [1]

Answer:

x=-1

Step-by-step explanation:

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