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bekas [8.4K]
3 years ago
14

A survey asked 50 students if they play an instrument and if they are in band.

Mathematics
1 answer:
N76 [4]3 years ago
3 0

C, just look at the "Total" for each single information.

the values in the inner grid combine multiple informations.

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Evan is going to the 50th state fair this weekend, it cost $10 to enter and each ride is $2. Create a linear function that could
alexgriva [62]

Answer:

y represents the total amount he spent in x amount of rides+ the $10 fee.

Step-by-step explanation:

At x=0, y=10 because he needs to pay $10 to enter, and he haven't rode on anything yet.

x=1, y=12

x=2, y=14

x=3, y=16

... and so on.

3 0
3 years ago
in one day annie traveled 5 times the sum of the number of hours brian traveled and 2. together they traveled 20 hours. find the
8090 [49]
<span>Let  Ah be Annie's hour of travel in 1 day and Bh be Brian's hour

to get Brian's hour of travel:
Ah + Bh  = 20

5 (Bh +2 ) + Bh= 20
5 Bh + 10 + Bh=20
6 Bh = 20 - 10
<u>6Bh</u> = <u>10</u>
6          6</span>
Bh =1.66  

To get Ah of travel 1 day
Ah = 5 (Bh + 2)
 <span>    = 5 (1.66 + 2) </span> <span>
     = 5 ( 3.66 )</span>
 Ah = 18.30  

Checking: Ah + Bh =20  <span>

18.30 + 1.66 = 20
</span><span>19.96 = 20</span>  <span>
20 = 20</span>
(19.96 is rounded off)



6 0
4 years ago
What percentage is 142-58
Misha Larkins [42]

SOLUTION:

Step 1 :

In this question, we are meant to find what percent of 142 is 58.

Step 2 :

We make the assumption that 142 is 100 % since it is our output value.

Step 3:

We next represent the value we see with x.

Step 4 :

From step 2, it follows that 100 % = 142.

Step 5 :

In the same vein, x % = 58.

Step 6 :

This gives us a pair of simple equations:

\begin{gathered} 100\text{ \% = 142 ---- equ 1} \\ x\text{ \% = 58 }\ldots\ldots\ldots\ldots\text{ equ 2} \end{gathered}

Step 7 :

By simply dividing equation 1 by equation 2 and

taking note of the fact that the Left-Hand Side of both equations have the same unit ( % ), we have that :

\frac{100\text{ \%}}{x\text{ \%}}\text{ = }\frac{142}{58}

Step 8 :

Taking the inverse ( or reciprocal ) of both sides yields:

\frac{x\text{ \%}}{100\text{ \%}}\text{ = }\frac{58}{142}\begin{gathered} x\text{ = }\frac{58\text{ x 100}}{142} \\ \text{x = }\frac{5800}{142} \\ x\text{ = 40.85\%} \end{gathered}

CONCLUSION:

Therefore, 58 is 40.85 % of 142.

4 0
2 years ago
Write the following polynomial in standard<br> form: <br><br> 4x+3-4x2-10x3
Ne4ueva [31]

Answer:

− 10 x ^3 − 4 x ^2 + 4 x + 3

Step-by-step explanation:

5 0
3 years ago
Which of the following equations are identities? Check all that apply.
11111nata11111 [884]

Answer:

B. CSCX=  sinx  / 1

D. tanx= sin x  / COS x

Step-by-step explanation:

A. sec x=  1/cos(x)

CSC X  / 1 = sin(x)

B. CSCX

sinx  / 1  = csc(x)

C. tanx=   sin(x) / cos(x)

secx  = 1 / cos(x)

D. tanx=  sin(x) / cos (x)

sin (x)  / cos(x)

4 0
4 years ago
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