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stellarik [79]
3 years ago
12

Urgent. REALL URGENT. HHHHHHHHHHEEEEEEEEEEEEEEELLLLLLLLLLPPPPPPPPPPPPPPP MMMMMMMMMEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
Effectus [21]3 years ago
8 0

Option c : 9 is the answer.

Explanation:

The expression is 1.2-(-7.8)

We need to determine the subtracted value of the expression.

From the expression we can see that the expression contains two negative signs.

To simplify the expression, we know that, When we multiply two negative numbers then the product is always positive.

This means (-) *(-) = +

Thus, the expression can be written as

1.2+7.8

Adding the two numbers, we get,

1.2+7.8=9

Thus, the value of the expression is 9.

Hence, Option c is the correct answer.

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Write the equation of the graph obtained when the graph of y=1/x is compressed vertically by a factor of 0.25, translated 4 unit
Shtirlitz [24]

Answer: The equation is y = 0.25/(x - 4) + 3

Step-by-step explanation:

If we have a function y = f(x)

A compression means that we multiply the function by a factor smaller than 1.

Then the vertical compression by a factor of 0.25 is:

y = 0.25*f(x)

a translation by A units to the right, means that we need to valuate the function in x - A.

So now we have:

y = 0.25*f(x - 4)

A translation in the y-axis means that we need to add a constant to the equation, then if we tralate it by 3 units up, we have:

y = 0.25*f(x - A) + 3

Then, if f(x) = 1/x

Our new equation is:

y = 0.25/(x - 4) + 3

8 0
3 years ago
Read 2 more answers
Which graph represents the function?
zavuch27 [327]
We are asked to find the graph of the function f(x)=\frac{1}{x-1}-2. When we graph it, we get something like the image attached below. We can see that the one of the curves intersect the y-axis at (0,3), and the only graph that showcases that is the fourth graph. Hope this helps and have a great day!

7 0
3 years ago
Kim bought a hat. in California. The hat cost $15 before the 8% sales tax was applied. How much did Kim pay for the hat after ta
gizmo_the_mogwai [7]

Answer:

$16.2

Step-by-step explanation:

15 x .08 [wonder how i got .08? 8% = 0.8]

= 1.2

here's where most people mess up, they usually forget to add the tax to the original cost.

15 + 1.2=

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7 0
2 years ago
If -4(x-3)+5x=24, then x= what?
navik [9.2K]
The answer to this question would be x = 12, using pemdas.
4 0
3 years ago
If l=10, b=5, h=2, find the values of 2h(l+b)​
Eddi Din [679]

Answer:

60

Step-by-step explanation:

given:

l = 10

b = 5

h = 2

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2h(l + b)

substitute the given values of l , b and h

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=4*15

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3 0
3 years ago
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