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andrew-mc [135]
3 years ago
14

0.0660 into scientific notation

Mathematics
2 answers:
Yakvenalex [24]3 years ago
5 0

Answer:

0.0660 = 6.60 x 10-2

Step-by-step explanation:

Airida [17]3 years ago
4 0

Answer:

6.6 × 10-2

Step-by-step explanation:

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Me. Dietz is a teacher whose salary is $22,570 for this school year, which has 185 days. In Mr. Dietz school district, substitut
harina [27]

Answer:

School District pays $42 less to substitute teacher than Mr. Dietz.

Step-by-step explanation:

Given:

Salary of Mr. Dietz per year = $22570

Number of days in a year = 185 days.

Amount paid for Substitute teacher per day = $80

We need to find the Amount less paid to substitute teacher then Mr Dietz when Mr. Dietz takes a day off.

Solution:

First we will find the Amount paid for per day of Mr. Dietz.

Amount paid for per day of Mr. Dietz can be calculated by dividing Salary of Mr. Dietz per year with Number of days in a year.

framing in equation form we get;

Amount paid for per day of Mr. Dietz = \frac{22570}{185} = \$122

Now we will find Amount less paid to substitute teacher then Mr Dietz.

Amount less paid to substitute teacher then Mr Dietz  can be calculated by subtracting the Amount paid for Substitute teacher per day from Amount paid for per day of Mr. Dietz.

framing in equation form we get;

Amount paid for Substitute teacher per day = $122 - $80 = $42

Hence School District pays $42 less to substitute teacher than Mr. Dietz.

6 0
3 years ago
Pls help w work!!
Kazeer [188]

Lets Do

\\ \sf\longmapsto p = 2(l + w) \\ \\ \sf\longmapsto l + w =  \frac{p}{2}  \\ \\ \sf\longmapsto w =  \frac{p}{2}  - l \\ \\ \sf\longmapsto  \boxed{ \bf \: w =  \frac{p - 2l}{2} }

4 0
3 years ago
Solve the equation to deduce the value of r. C=2πr
Marrrta [24]
To solve for r, divide 2Pi to both sides of the equation. You will then get r=C/2Pi.
8 0
3 years ago
Rewrite the following quadratic function in vertex form. Then, determine if it has a maximum or minimum and say what that value
alexira [117]

Discussion

1. Put brackets around the first two terms

y = (-x^2 + 6x) + 5

2. Take out the common factor of -1

y = -(x^2 - 6x) + 5

3. Inside the brackets, take 1/2 of - 6 and square it

y = -(x^2 - 6x + ( - 6 / 2)^2 )  + 5

y = -(x^2 - 6x +  (- 3)^2 )  )  + 5

y = -(x^2 - 6x + 9 ) + 5

Note: Step 3 is very long. Make sure you work your way through it

4. You have added 9 inside the brackets. <em><u>It is actually - 9. So add 9 outside to balance the equation out. </u></em> This is the key step. Make sure you understand it.

y = - (x^2 - 6x + 9) + 5 + 9

5. Express the brackets as a square.

y = - (x + 3)^2 + 14

Discussion

The equation is now in vertex form. The minus tells you that the equation is a maximum. The maximum is located at ( - 3, 14 )

A graph follows to show the results.

3 0
3 years ago
A. -2<br> B. -1/2<br> C. 1/2<br> D. 2
marysya [2.9K]
The correct answer is C
4 0
3 years ago
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