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natita [175]
4 years ago
7

If -4 * -4 = 16, but -4^2 = -16, how is that possible?

Mathematics
2 answers:
Morgarella [4.7K]4 years ago
7 0

Answer:

This is not possible

Step-by-step explanation:

The only way you get this is if you plug it into the calculator without placing parenthesis around -4

For example:

-4^2 = -16 while (-4)^2= 16

When doing math it is common knowledge that when two negative numbers are multiplied together the negative sign will cancel out and turn into a positive product.

----

Also -4*-4 is the same as -4^2 just written differently

Tcecarenko [31]4 years ago
6 0

Answer:

determine if true .  and this is false

Step-by-step explanation:

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VikaD [51]

Answer:

527 students

Step-by-step explanation:

you convert the percent by moving the decimal point two places to the left making it 0.62 then you multiply it by 850 which gets you 527.

aka

850 x 0.62 = 527

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Answer:

Just keep searching u will find it I promise it will come :D

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The cost of fencing a circular field at the rate of Rs.24 per metre is Rs. 5280.
7nadin3 [17]

Answer:

radius = 35.03 m

Step-by-step explanation:

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6 0
3 years ago
Three equivalent ratios are shown on the graph
kvasek [131]

To plot more the points, we move up one and right two.

<h3>How to plot more the points?</h3>

The ratios are given as:

(1, 0.5), (2, 1), and (5, 2.5)

Calculate the slope (m) using:

m = \frac{y_2 -y_1}{x_2 -x_1}

So, we have:

m = \frac{1 - 0.5}{2 - 1}

Evaluate

m = \frac{0.5}{1}

This gives

m = \frac{1}{2}

The above means

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This means a vertical movement of 1, followed by an horizontal movement of 1

Hence, to plot more the points, we move up one and right two.

Read more about equivalent ratios at:

brainly.com/question/13513438

#SPJ1

Complete question

Three equivalent ratios are shown on the graph. On a coordinate plane, points (1, 0.5), (2, 1), and (5, 2.5) are plotted. Starting on one of the plotted points, how can you plot more equivalent ratio points?

5 0
2 years ago
What is the total amount paid for a $60 meal with a 15% tip and 8% tax?
Taya2010 [7]

Answer:

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Step-by-step explanation:

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9+4.8=13.8

13.8+60=73.8.

4 0
3 years ago
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