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sergeinik [125]
3 years ago
11

Making sense of multiplication and division equations

Mathematics
1 answer:
aliya0001 [1]3 years ago
8 0

Yes this is true. Very true

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What is the value of (2x^2-5x+4)if x =7
Troyanec [42]
<span>We have to use PEMDAS for this expression.

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

</span>(2x^2 - 5x + 4)                    Original Mathematical Expression

[2(7)^2 - 5(7) + 4]                 Plugging the value of x, 7 into expression.

There are parentheses, so that means we have to work in them.

There are exponents, so we have to do those first.

[2(49) - 5(7) +4]                    Exponents.

There is multiplication, that we can do, so we do that left to right.

[98 - 35 + 4]                         Multiplication.

There is no division.

There is addition and subtraction, so we do those left to right.

[63 + 4]                                Subtraction.

67                                        Addition.

Final Answer: 67

6 0
2 years ago
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Pls help?!?!? With this
zhenek [66]

Answer:

7 buses. 52÷ 8 = 6.5 so rounding up to 7

4 0
3 years ago
Number of Crackers in Each Bag, with Outlier Number of Crackers in Each Bag, without Outlier Which statement comparing the box p
Natali5045456 [20]
<span>Both the median and the range changed.</span>
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You need to earn at least $100. You earn $8.00 per hour mowing lawns. Write and solve an inequality that represents the number o
leonid [27]

Answer:

subject?

Step-by-step explanation:

7 0
3 years ago
4) From a graphed linear line, how do you find the<br> Slope:<br> Y-intercept:
Ad libitum [116K]

Rise over Run

Put the amount you go up or down on the Y-axis over how much you go right or the x-axis

the Y-intercept is found simply by looking where the graph crosses the y, if the equation is written instead of graphed, graph it using a graphing calculator, then use the information I gave you previously : )

8 0
3 years ago
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