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Ivenika [448]
1 year ago
3

Question 8: 11 pts

Mathematics
1 answer:
Debora [2.8K]1 year ago
7 0

T = 0.45m + 0.40n

T = 0.45 (140) + 0.40 (100)

T = 63 + 40

T = 103

They will raise 103 dollars

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Which number shows 460,593 rounded to the nearest hundred thousand?
Mariulka [41]
Your answer is C. 500,000
4 0
3 years ago
How do you solve -14+6b+7-2b=1+5b
Ronch [10]
Step 1: Rewrite the equation

-14+6b+7-2B=1+5b


Step 2: Combine like terms


-14+6b+7-2b=1+5b

-7+4b=1+5b


Step 3: To isolate b, first add 7 on both sides

-7+4b=1+5b
+7 +7
_________
4b=8+5b


Step 4: Again, trying to isolate b, subtract 5b on both sides

4b=8+5b
-5b -5b
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-b=8

Step 5 (final step): Because the variable cannot be negative for a final answer, multiply each number by -1.

-1(-b=8)

b= -8


Final Answer: b=-8

Hope this helps :)
8 0
3 years ago
Read 2 more answers
Which polynomial is prime?<br><br> x2 – 36<br> x2 + 16<br> x2 – 7x + 12<br> x2 – x – 20
juin [17]

Answer:

x2 - 7x + 12

Step-by-step explanation:

ℎ

3 0
3 years ago
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What is the mean of 82 ,64 ,73 ,91 ,85
VLD [36.1K]
All them all together than divide that number by the amount of numbers you added together to get 79
7 0
4 years ago
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Perform the indicated operation to write given polynomial in standard form: (x^3+2x^2 − 3x − 1) +(4 − x − x^3)
Rzqust [24]

Answer:

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x+3

Step-by-step explanation:

To write any polynomial in standard form, you look at the degree of each term. You then write each term in order of degree, from highest to lowest, left to write.

To add the polynomials you need to:

Remove parentheses

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3+2x^2-3x-1+4-x-x^3

Group like terms

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3-x^3+2x^2-3x-x-1+4

Add similar elements

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-3x-x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x+3

5 0
4 years ago
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