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serious [3.7K]
4 years ago
13

A rectangular picture frame measures 81 cm by 44 cm. What is the perimeter or distance around the picture frame in meters? m

Mathematics
1 answer:
Alja [10]4 years ago
7 0
The answer would be 2.5 meters. you add the two lengths together, then multiply by 2. Then divide by 100 because 100cm = 1m.
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Frank needs to fill juice cups for his little sister's birthday party. There are 35 juice cups and each juice cup holds 12 fluid
Cerrena [4.2K]
35 juices cups meaning there would be 420 fluid ounces. And 1 gallon =. 128 ounces. So frank would need to purchase approximately 3.28 bottles
3 0
3 years ago
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HELPPP IM ALMOST DONE WITH THIS CLASS
iris [78.8K]
<h3>Answer: Choice D)  y = cos(2x)</h3>

Explanation:

Normally, cosine has a period of 2pi. This means that the curve repeats itself every 2pi units. However, this graph has a period of pi.

We can see this by noting that the distance from one peak such as x = 0 to another adjacent peak x = pi is exactly pi units across.

Since T = pi is the period, we then know that

B = (2pi)/T

B = (2pi)/(pi)

B = 2

Then recall that the general template is y = Acos(B(x-C))+D

In this case, A = 1, C = 0 and D = 0. So all of this leads to y = cos(2x)

5 0
3 years ago
Someone please help me thank you
german

Answer:

4

Step-by-step explanation:

7x = x² - 8

=> x² - 7x - 8 = 0

use quadratic formula:

a = 1, b = -7, c = -8

x = \frac{-(1)±\sqrt{(-7)^{2} - 4(1)(-8) } }{2(1)} <em>(pls ignore the "A" I don't know why it's showing up)</em>

=> x = \frac{-1±\sqrt{49 + 32} }{2}

=> x = \frac{-1±9 }{2}

=> x = \frac{-1 +9}{2} = 4 or \frac{-1-9}{2} = -5 <em>(the answer is only 4 since it's asking for the positive solution)</em>

6 0
3 years ago
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6. If you had $3.50 to spend on yogurt, can<br> you determine how many ounces you can<br> buy?
NikAS [45]

Answer:

yeah probably

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP!!!<br> I WILL MARK BRAINLYEST!!!!!
Alona [7]
The constant of proportionality is 45
I can’t help you with the second Q but,
The third is 45h= m
4 0
3 years ago
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