All categories

3 years ago

Could someone help me and explain how to do this!?

Mathematics

2 answers:

Burka [1]3 years ago

8 0

Answer: B

Explanation:
To find the discount, you have to multiply the percentage, 40%, by the usual cost, $8.00.

$8.00 x .4 = $3.20

Now to find the sales price, subtract your discount amount from the original price.

$8.00 - $3.20 = $4.80

Hope this helped! :3

jekas [21]3 years ago

5 0

Answer: B

Step-by-step explanation:

the cost is $8, and it goes for 40% off, so the discount is 8*40%=3.2;

then the sale price = 8-3.2 = 4.8.

You might be interested in

Something ×somthing=56

rosijanka [135]

5 the answer is 28×2=56

6 0

3 years ago

Read 2 more answers

I need help with 4 and 5 what are the answers?

ira [324]

Answer:

4. U = 54

5. C=80

Step-by-step explanation:

Basically you move the denominator to the other side and multiply. please take note of the signs(positve, negative)

7 0

3 years ago

It is known that 10% of the calculators shipped from a particular factory are defective. In a random sample of ten calculators,

umka2103 [35]

Answer:

0.7361

Step-by-step explanation:

In this question we have

number to be 10

Then we have a probability of 10% = 0.10

We have q = 1-p

= 1-0.10 = 0.90

Then the probability of not more than 1 being defective:

P(x=0) + p(x= 1)

(10C0 x 0.1⁰ x 0.9^10-0)+(10C1 x 0.1¹ x 0.9^10-1)

= 1 x1 x0.3487 + 10 x 0.1 x 0.3874

= 0.3487 + 0.3874

= 0.7361

This is the the required probability and this answers the question.

probability = 10 percent = 0.1

q= 1- 10percent = 90% = 0.9

n = 4

To get the required probabiltiy for this question is

P(not greater than one is defective )=P(x=0)+P(x=1)

= 4C0x(0.1)⁰x(0.9)⁴+4C1x(0.1)¹x(0.9)³

= 0.9477

The required probability is 0.9477

5 0

3 years ago

Round 9594.20475485 to the nearest thousand

MrRissso [65]

Answer:

it is 10,000

Step-by-step explanation:

3 0

3 years ago

The square of a whole number 'n' lies between 80 and 150. Find all possible values for 'n'.

pychu [463]

The square of a whole number n lies between 80 and 150, so n lies between √80 and √150.

$\sqrt{80} \approx 8.9 \\
\sqrt{150} \approx 12.2$

n is a whole number and lies between 8.9 and 12.2, so n can be 9, 10, 11, or 12.

The possible values for n are 9, 10, 11, and 12.

5 0

4 years ago