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Katarina [22]
3 years ago
8

Help me with this guys

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0
A is the correct answer
Kamila [148]3 years ago
5 0

Answer:

the anwser is a

Step-by-step explanation:

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Write the expression as a single logarithm 7log(x) y + 6 log(b) x
daser333 [38]

Answer: log(x)^{7y}+log(b)^{6x}=log(x^{7y}b^{6x}).


Step-by-step explanation:

Given logarithm expression

7log(x)^y + 6 log(b)^x.

We need to write it as a single logarithm expression.

First we need to apply exponent rule of logs to remove 7 and 6 in front of logs.

n log(p) = log(p)^n

7log(x)^y + 6 log(b)^x.= log(x)^{7y}+log(b)^{6x}.

Now, we need to apply product rule of logs log(p)+log(q) = log(pq).

log(x)^{7y}+log(b)^{6x}=log(x^{7y}b^{6x}).

Therefore, final answer is log(x)^{7y}+log(b)^{6x}=log(x^{7y}b^{6x}).




5 0
3 years ago
Find the standard form of the equation of the parabola with a focus at (-2, 0) and a directrix at x = 2.
krok68 [10]

Answer:

y^2=\frac{1}{8}x

Step-by-step explanation:

The focus lies on the x axis and the directrix is a vertical line through x = 2.  The parabola, by nature, wraps around the focus, or "forms" its shape about the focus.  That means that this is a "sideways" parabola, a "y^2" type instead of an "x^2" type.  The standard form for this type is

(x-h)=4p(y-k)^2

where h and k are the coordinates of the vertex and p is the distance from the vertex to either the focus or the directrix (that distance is the same; we only need to find one).  That means that the vertex has to be equidistant from the focus and the directrix.  If the focus is at x = -2 y = 0 and the directrix is at x = 2, midway between them is the origin (0, 0).  So h = 0 and k = 0.  p is the number of units from the vertex to the focus (or directrix).  That means that p=2.  We fill in our equation now with the info we have:

(x-0)=4(2)(y-0)^2

Simplify that a bit:

x=8y^2

Solving for y^2:

y^2=\frac{1}{8}x

3 0
2 years ago
Billy and Tommy plant seeds in a garden. The garden is divided into 100 equal parts. Tommy planted 2/10 of the garden. Billy pla
Setler [38]

Answer:

48/100

Step-by-step explanation:

2/10 equals 20/100=Tommy

28/100=Billy

\frac{20}{100} +  \frac{28}{100}  =  \frac{48}{100}

5 0
3 years ago
What is the angle of elevation
Alinara [238K]

Answer:

the angle from the horizontal upward to an  object

Step-by-step explanation:

3 0
3 years ago
Last question pls help me
aalyn [17]

Answer:

Step-by-step explanation:

684 dollars

6 0
3 years ago
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