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sammy [17]
2 years ago
10

Evaluate the expression when a= 2 and c=-4. -a +5c

Mathematics
1 answer:
-Dominant- [34]2 years ago
4 0
The answer would be 18
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What is x^2 -7x + 12 = 0 what is using method of factoring
statuscvo [17]
x^2 -7x + 12 = 0 \\ \\ (x - 4)(x - 3) = 0 \\ \\ x = 4, 3 \\ \\

The final result is: x = 4, 3.
6 0
2 years ago
Simplify 4radical2plus7radical2minus3radical2
zlopas [31]
Let "radical 2" be represented by "r."

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The answer is 8 radical 2.


3 0
2 years ago
Part B what are the probabilities of each outcome in the sample space? select all that apply
zepelin [54]

Answer:

C, D, and E are correct

Step-by-step explanation:

p(2)= 1/6; p(3)= 1/6; p(4)= 1/6; 1/6=1/6=1/6

p(1)= 3/6; 3/6=1/2

p(4) = 1/6; There are six sections and one section is labeled<em> '4' </em>

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Hope this helped! ;p

7 0
3 years ago
Find the nth term for this sequence -1 - 4 - 9 - 16 - 25
Fudgin [204]

Answer:

Un = -n²

Step-by-step explanation:

Un = -n²

it's a quadratic term but with minus sign, just it

U1 = -1² = -1

U2 = -2² = -4 and so on

7 0
3 years ago
The scatterplot shown includes the (blue) least-squares regression line, whose equation is y = .975 + .005x, where y is calories
ziro4ka [17]

The scatterplot shown includes the (blue) least-squares regression line, whose equation is y = .975 + .005x, where y is calories (in thousands) and x is years after 1960. Choose the correct statement.

Answer: In the given regression equation, the calories are in thousands. Therefore, the slope 0.005 (0.005 x 1000 =5 calories)  means the consumption is increasing at a rate of 5 calories per year.

Hence the option a. Consumption is increasing at a rate of 5 calories per year. is correct

4 0
3 years ago
Read 2 more answers
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