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vovangra [49]
3 years ago
9

What is $7.20 aftertax of 4.5%?​

Mathematics
2 answers:
raketka [301]3 years ago
7 0

Answer: $6.88

Step-by-step explanation:

OleMash [197]3 years ago
3 0

Answer:

$7.52

Step-by-step explanation:

7.20×4.5%=32

7.20+32=$7.52

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In places where there are crickets, the outdoor temperature can be predicted by the rate at which crickets chirp. One equation t
irina1246 [14]

Answer:

See explanation

Step-by-step explanation:

This question requires a list of options.

Since, there are none; I'll give a general explanation to answer this.

We have that:

f = 14c + 40

The general format of an equation in terms of f and c is:

f = mc + b

Where

m = slope and b = y\ intercept

A true statement about the function above is:

The slope of the equation is 14

This means that at every minute, there's an additional 14 chirps from the cricket.

Another true statement about the function is that:

The y intercept is 40.

This means that the initial number of chirps by the cricket is 40

i.e. At time, c = 0 minutes.

There are 40 chirps.

A likely question could be to determine the number of chirps in (say) 5 minutes.

This means that:

c= 5

Substitute 5 for c in f = 14c + 40

f = 14 * 5 + 40

f = 70 + 40

f = 110

This implies there are 110 chirps in 5 minutes

8 0
3 years ago
Read 2 more answers
5 - x - x = - 1<br>x = ?
IRISSAK [1]
5 - x - x = - 1
5 + -2x = - 1
-5            -5
-2x 
= -6
divided by 2 on both sides
x = 3
6 0
4 years ago
Read 2 more answers
Marketing companies are interested in knowing the population percent of women who make the majority of household purchasing deci
zimovet [89]

Answer: 271

Step-by-step explanation:

As per given description in the question, we have

Critical value for 90% confidence interval = z_{\alpha/2}=1.645

[using z-value calculator ]

Margin of error : E= 0.05

Since prior estimate of population proportion is unknown so we take p= 0.5

Formula we use to find the sample size :

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2  [we assume p= 0.50]

i.e. n=0.5(1-0.5)(\dfrac{1.645}{0.05})^2

Simplify :

\Rightarrow\ n=270.6025\approx271  

Therefore , the minimum sample size required = 271

3 0
3 years ago
5c - 3d + 11 c = 7 d = 8
Ratling [72]

Answer:

c =  31/16

d = 8

Step-by-step explanation:

easy

7 0
3 years ago
Please assist with this problem.<br><br>​
Flura [38]

Answer:

The answer to your question is:

Step-by-step explanation:

If the line is rotated, we get the perpendicular of the initial line.

See the attachment, the blue line is the original and the red one is the new line.

Process

new slope = 2/5

Point ( 0, 4)

                 (y - y1) = m (x - x1)

                 ( y - 4) = 2/5 (x - 0)

                 y - 4 = 2/5 x

                y = 2/5 x + 4             New line

8 0
3 years ago
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