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DIA [1.3K]
2 years ago
12

Which of the following expressions is not correctly written in scientific notation?

Mathematics
1 answer:
defon2 years ago
4 0

Answer:

5 times 10 times

Step-by-step explanation:

i got it right on my test

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A dog is leashed to a point in the center of a large yard, so the area the dog is able to
miss Akunina [59]

Answer:

78.5

Step-by-step explanation:

The radius of the circle is 25 so youu multiply that by 3.14

25*3.14=78.5

8 0
3 years ago
A study of a company's practice regarding the payment of invoices revealed that an invoice was paid an average of 20 days after
morpeh [17]

Answer:

=0.1587 or 15.87%

So option A is correct answer so 15.87% of the invoices were paid within 15 days of receipt.

Step-by-step explanation:

In order to find the percent of the invoices paid within 5 days of receipt we have to find the value of Z first.

Z=\frac{X-u}{S}

where:

X is the random varable which in our case is 15 days

u is the mean or average value which is 20 days

S is the standard deviation which is 5 days

Z=\frac{15-20}{5}

Z=-1.0

We have to find Probability at Z less than -1

P(Z<-1.0) which can be written as:

=1-P(Z>1.0)

From Cumulative distribution table:

=1-(0.3413+0.5)

=0.1587 or 15.87%

So option A is correct answer so 15.87% of the invoices were paid within 15 days of receipt.

7 0
3 years ago
X^2-6x+5=0 solve with quadratic formula
Yuliya22 [10]

Answer: x1  = 5

               x2 = 1

Step-by-step explanation:

1. Identify the coefficients

2. Move the constant to the right side of the equation and combine

3.  Complete the square

4. Solve for x

7 0
2 years ago
Read 2 more answers
A regular polyhedron whose six faces are congruent squares
valentinak56 [21]

Answer:

True

Step-by-step explanation:

5 0
3 years ago
A number increased by 15 is 38 as an equation
Vlad1618 [11]

Answer:

15 + x = 38

KEY:

<u>Increased = addition</u>

is= equals to

a number = put any random letter, or my choice is just using "x" so its just means a varaible

HOPE THIS HELPED!!!!! :D

3 0
3 years ago
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