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tino4ka555 [31]
3 years ago
11

Do you estimate that 200 people attend a school concert. The actual attendance was 240 people find the percent error

Mathematics
1 answer:
harkovskaia [24]3 years ago
3 0
The percent error is 20%.
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How can you decide which operation to use to solve a two step equation
OleMash [197]
Always use the inverse (opposite) operation.  Ex. is 2x+4=10.

First subtract 4, and then divide by 2.  

actually reverse of order of operations to solve.
4 0
3 years ago
Find the missing side. Round your answer to the nearest hundredth.<br> х<br> 28°<br> 42 in<br> in
sleet_krkn [62]

Answer:

The length of the missing side x = 47.57 in    

Step-by-step explanation:

Given

Ф = 28°

The length of the side adjacent to the angle Ф is = 42 in

To determine

The hypotenuse x = ?

Using the trigonometric ratio

cos Ф = adjacent / hypotenuse

substitute adjacent = 42 in, hypotenuse = x and Ф = 28°

cos 28° = 42 / x

x = 42 / cos 28°

x = 47.57 in      

Therefore, the length of the missing side x = 47.57 in    

6 0
3 years ago
Use the distributive property to simplify the expression 6(s-9
Natalija [7]
You have to multiply the 6 by both s and -9

So you will get 6s - 54 which is the answer
7 0
3 years ago
Find a formula for geometric series that begins with 28, 98, 343,...​
otez555 [7]

Answer:

Step-by-step explanation:

In a geometric series, the successive terms differ by a common ratio which is determined by dividing a term by the preceding term.

The formula for determining the nth term of a geometric progression is expressed as

Tn = ar^(n - 1)

Where

a represents the first term of the sequence.

r represents the common ratio between successive terms in the sequence.

n represents the number of terms in the sequence.

From the seies shown,

a = 28

r = 98/28 = 343/98 = 3.5

The formula representing the nth term of the given sequence would be expressed as

Tn = 28 × (3.5)^(n - 1)

6 0
3 years ago
CAN I GET HELP ON THIS PLEASE WILL GIVE 5 STARS
nikklg [1K]

Answer:

I don't know the ans please search on the Google you will get

And don't forget to mark me as brainlest please guys and follow me back please please

6 0
3 years ago
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