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matrenka [14]
3 years ago
15

What’s 3•5+-5•4 And the dot is multiplication!

Mathematics
1 answer:
NeTakaya3 years ago
8 0
-5 is the answer ...............

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What is the slope of a line perpendicular to the line with the equation y = 6 x + 2
Bumek [7]
The slope of a line perpendicular to a line with the equation y = 6x +2 would be -6. Perpendicular lines have opposite - reciprocal slopes. Parallel lines have the same slope.
8 0
3 years ago
a gas company in massachusetts charges $1.30 for 16.7 ft3 of natural gas. convert this rate to dollars per liter of gas
Katyanochek1 [597]

By using a change of units, we can see that the rate in dollars per liter is:

R = $0.0027 per liter.

<h3>How to convert the rate?</h3>

Here we have a rate in dollars per cubic foot, and we want to rewrite this in dollars per liter. So we just need to apply a change of units.

The original rate is in dollars per square foot, and it is given by:

R = $1.30 for 16.7ft^3

We know that the relation between cubic feet and liters is:

1ft^3 = 28.32 L

Then, if we apply a change of units, we can rewrite the volume as:

16.7ft^3 = 16.7*(28.32) L = 472.9 L

Then the rate is $1.30 per 472.9 L, taking the quotient we get:

R = ($1.30/472.9 L) = $0.0027 per liter.

If you want to learn more about changes of units:

brainly.com/question/9032119

#SPJ1

5 0
2 years ago
You pick one card from a standard deck. What is the probability that the card will be the eight of spades?
Helga [31]
There would be a 1 out of 34 chance that you will pick up the 8 of spades ♠️ but I'm not sure
5 0
4 years ago
Clark used the order of operations to find the unknown number in 15-12÷3=n what is the value of the unknown number?
lukranit [14]
The order of operations is:

Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction

So division comes first:

\sf 15-12\div 3=n

\sf 15-4=n

Now subtraction:

\boxed{\sf n=11}
5 0
4 years ago
Read 2 more answers
Please help I need this answer fast 15 points!
tangare [24]

Answer: 13 3/4

Step-by-step explanation:

25 * 5 = 125

2 3/4 * 5 = 13 3/4

3 0
3 years ago
Read 2 more answers
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