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snow_lady [41]
3 years ago
6

!GIVING BRAINLIEST!

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0
It’s 4.05


12.9+4.05+4.05=21
sweet [91]3 years ago
6 0

Answer:

4.05+4.05+12.9=21

Step-by-step explanation:

Take 21 subtract 12.9 first, then you take the leftover number which is 8.1 then divide it by 2 giving you 4.05.

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Given g(x) √x-4 and h(x) = 2x - 8
RoseWind [281]

Answer:

6

Step-by-step explanation:

Given : g(x) =   and h(x)=2x-8.

g*h(x) =(2x-8).

We have square root(x-6) in composite function f*h(x).

So, we need to find the domain, we need to check for that values of x's, square root(x-4\6) would be defined.

Square roots are undefined for negative values.

Therefore, we can setup an inequality for it's domain x-6≥0.

Adding 4 on both sides, we get

x-6+6≥0+6.

x≥6.

8 0
3 years ago
Read 2 more answers
What is the amount of sales tax owed on a $540 television if the tax rate is 7.5%
egoroff_w [7]
The sales tax can be found through multiplying the total by the decimal form of the given sales tax (7.5=0.075). This operation yields 40.5 or $40.50. I really hope this helps!:)
7 0
4 years ago
The coordinates of point A are (−3, 5). What are the coordinates of point B, which is a reflection of point A across the x‑axis?
a_sh-v [17]

Answer:

(-3, -5)

Step-by-step explanation:

3 0
3 years ago
BOATING Dedra's boat used 5 gallons of gasoline in 4 hours. At this rate, how many gallons of gasoline will the boat use in 10 h
igor_vitrenko [27]
To be honest with you I do not now
4 0
3 years ago
If y = 5x − 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
Mama L [17]

Answer:

x can be any value, x will be the input, y will be the output.

Step-by-step explanation:

If x = 3, If x = 6, If x = 9,

y = 5x - 4

y = 5 (3, 6, or 9) - 4

y = 11, y = 26, y = 41.

These are all possible sets of ordered pairs, but ANY Real number can be represented as X, and it will need to be in an order. These numbers are all positive, so in this case, you just have to draw out Quadrant 1 in a Coor. Plane.

<u>X (Input)  I  Y (Output)</u>

3              I  11

6              I  26

9              I  41

See, when x increases by 3, Y increases by 15. If you go on, it will be the same path, same pattern.

Hope This Helps! :)

8 0
3 years ago
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