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Ber [7]
3 years ago
5

Sales tax is 6% using only one term write an expression to represent the discounted price of the phone including tax.

Mathematics
1 answer:
lana [24]3 years ago
7 0

The price of phone is stated, taking the price of the phone as p and the discount on sale as 20%

Answer:

0.848p

Step-by-step explanation:

Price of phone = p

Sales tax = 6%

Discount on sale = 20%

With a 20% discount, the discounted price of the phone will be :

100%p - 20%p = 80%p = 0.8p

The sales tax will increase the price thus ;

0.8p + 6% of 0.8p

0.8p + 0.06 * 0.8p

0.8p + 0.048p

The cost of the phone including tax becomes ; (0.8p + 0.048p) = 0.848p

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Serjik [45]

Answer:

Right tailed, 0.0089, reject.

Step-by-step explanation:

Given that The test statistic of z equals = 2.37  is obtained when testing the claim that p greater than > 0.1

we see that whenever claim is > it is right tailed.  And whenever p <alpha we reject H0

a) Since claim is p>0.1 this is right tailed test.

b) For z =2.37 p value is 0.5-0.4911\\0.0089

c)Since p < 0.01 our lapha we reject null hypothesis

4 0
4 years ago
A bag holds 20 jelly beans: 5 red, 10 green, 4 blue, and 1 black. What is the probability of choosing two consecutive blue jelly
ANEK [815]

Answer:

10/20 for green, then 4/19 for blue. 10/20 * 4/19 = 2/19

Step-by-step explanation:

Explanation is above. If you need any more help let me know.

3 0
3 years ago
Solve the following equation <br> a 4 (x + 3)=16<br> b 3 (p - 6)+ 15 =0
IrinaK [193]

Answer:

x = 1, p = 1

<em> BRAINLIEST, PLEASE!</em>

Step-by-step explanation:

a. 4(x + 3) = 16

4x + 12 = 16

4x = 4

x = 1

b. 3(p - 6) + 15 = 0

3p - 18 + 15 = 0

3p - 3 = 0

3p = 3

p = 1

3 0
3 years ago
Company X tried selling widgets at various prices to see how much profit they would
NNADVOKAT [17]

Answer:

7263

Step-by-step explanation:

5 0
3 years ago
Find the midpoint of CD if c= (9,2) d= (-7,-9)
Mrrafil [7]

To find the midpoint of a segment you need to use this equation:

(x1+x2/2, y1+y2/2) so if you plug in the numbers its...

9+(-7)/2, 2+(-9)/2

then solve to find x and y coordinate

x= 1 and y= -3.5

so the midpoint of CD is (1,-3.5)

7 0
3 years ago
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