MATHEMATICS HIGH SCHOOL

In general, when a number written in scientific notation includes a positive exponent, the absolute value of that number is __________.

Answers

Answer 1
Answer: In general, if a number is written in a scientific notation which includes an exponent that is positive, the absolute value of that number is positive. This is because if the number is bigger than 1 and it is in absolute value, then that means it is a positive number.
Answer 2
Answer: positive exponents are big numbers; so your number gets bigger

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The simple interest earned by an account varies jointly as the time and the principal. In 2 years, a principal of $5000 earns $650 interest. How much would $1000 earn in 1 year?
What are the next three numbers 1, -5, 25, -125,
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If your company needs to produce 7,800 products by the end of the next 12 weeks, how many products will you need to produce each week to finish on schedule?

Answers

The company will have to produce at least 650 products each week to achieve 7800 products in 12 weeks


(7800 products divided by 12weeks  = 650 products per week)

What is the sum of the first 39 positive odd numbers?

Answers

1-39 ODD:
1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39
Now you'd add them all up.
1+3+5+7+9 = 25
11+13+15+17+19 = 75
21+23+25+27+29 = 125
31+33+35+37+39 = 175
Add the totals:
25+75+125+175
The answer would be 400.

Final answer:

The sum of the first 39 positive odd numbers is 1521.

Explanation:

To find the sum of the first 39 positive odd numbers, we can use the formula for the sum of an arithmetic series. The formula is: S = (n/2)(a + l), where S is the sum, n is the number of terms, a is the first term, and l is the last term. In this case, n = 39, a = 1, and l = 77. Plugging these values into the formula, we get:

  1. S = (39/2)(1 + 77)
  2. S = (39/2)(78)
  3. S = 39 * 39
  4. S = 1521

Therefore, the sum of the first 39 positive odd numbers is 1521.

Learn more about Sum of odd numbers here:

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What is the measure of how much surface an object has?a. mass
c. region
b. volume
d. area

Answers

the answer is D. area

Answer:

D area

Step-by-step explanation:

Using a tape measure Becky Jo found that the circumference of the great redwood was 900cm. She estimated that its diameter was 300cm. Was her estimate a little too large or a little too small? Why?

Answers

The length of the circle - the product of the diameter and the number Pi
l = dπ
l = 900cm
π ≈ 3,1415 przyjmiemy wartość 3
900cm = d* 3   [:3
d = 300cm  
Becky rounded value of Pi , hence the difference in result

More accurate calculation

l = d*π
900cm = d*3,1415
d = 900cm : 3,1415 = 286,49cm

Becky overestimated the outcome

You have recently taken a position in a bank. Your first client would like assistance planning for a loan. You want to set up a detailed loan amortization table. Open the attached Excel file LoanAmortization.xlsx. This file contains a worksheet with a loan parameters area (i.e., input area), a summary area, and amortization table column labels. You will use this template to complete a detailed loan amortization table. You want to build in mechanisms to prevent formula errors if input data are missing and to hide zeros from displaying if your client takes out a shorter-term loan or pay it off early. However, you must keep formulas in place for a traditional 30-year loan. In addition, you will notice overpayments on the last payment if you pay extra toward the principal each month. To make the amortization table as flexible as possible and to avoid errors, you will create several nested IF functions.

Answers

The question can't be answered, because you haven't included the Excel file LoanAmortization.xlsx. (But I should still get the 5 points ... at least ... for READING the entire question. )

Solve the system of equations using substitution.y = 4x + 6
y = 2x

a. (6, 3)
b. (-3, -6)
c. (3, 6)
d. (1, 2)

Answers

y=4x+6\ny=2x\n\n4x+6=2x\n2x=-6\nx=-3\n\ny=2\cdot(-3)\ny=-6\n\n\boxed{(x,y)=(-3,-6)}

Answer:

-3,-6

Step-by-step explanation:
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