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pshichka [43]
4 years ago
10

3x - y = 13 2x+4y= - 22 elimination

Mathematics
1 answer:
zmey [24]4 years ago
7 0
Y=3x-13 x=-2y-11 that’s elimination answers for both
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The function given represents the temperature of a sauna set to 180°F. The temperature goes up and down throughout the day. Find
nasty-shy [4]

Answer:

The answer is below

Step-by-step explanation:

Given the function as:

f(x)=5sin(πx / 15)+180,

a) The angular frequency (ω) = 2π * frequency

but ω = π/15, hence:

π/15 = 2π * frequency

frequency = (π/15)/2π

frequency = 1/30 hertz

Period (T) = 1/frequency = 1/(1/30) = 30 seconds

b) The period is 30 seconds. This means that it reaches the maximum temperature every 30 seconds.

In one hour (3600 s), the number of times the function reaches a maximum temperature = 3600 s / 30 s = 120

3 0
3 years ago
At the produce store you can buy 7 bags of bananas for $48.51. How much would it cost if you were to buy 5 bags
uysha [10]
Find out the cost of 1 bag of bananas and multiply that by 5. 

48.51/7= $6.93 per bag 

6.93 x 5 = $34.65 for 5 bags 

Hope I helped :) 
7 0
4 years ago
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
SVETLANKA909090 [29]

Answer:

if there are 4 walls then it would be 6x4

Step-by-step explanation:

6x the number of walls

4 0
3 years ago
What is the 33rd term of this arithmetic sequence? 12, 7, 2, -3, -8, …
attashe74 [19]
12,7,2,-3,-8,... \\ \\
a_1=12 \\
d=a_2-a_1=7-12=-5 \\ \\
a_n=a_1+d(n-1) \\
a_{33}=12-5(33-1) \\
a_{33}=12-5 \times 32 \\
a_{33}=12-160 \\
a_{33}=-148

The answer is C.
5 0
3 years ago
Can someone please help? if can include working out​
artcher [175]

Answer:

8

Step-by-step explanation:

you add all of it up together

6 0
3 years ago
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