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anygoal [31]
3 years ago
9

How do you solve this using a logarithm? :)

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:

Keep the exponential expression by itself on one side of the equation.

Get the logarithms of both sides of the equation. You can use any bases for logs.

Solve for the variable. Keep the answer exact or give decimal approximations.

Step-by-step explanation:

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HELP ASAP!!!!!!!!PLEASE<br><br> Solve for x. Please explain. Thank you
Stella [2.4K]

The values are x=8 and y=10

Explanation:

From the figure, we can see that the two quadrilaterals are similar.

Thus, by the property of quadrilateral, for similar quadrilaterals, their corresponding angles and sides are congruent. Thus, we have,

∠D = ∠S, ∠E = ∠P, ∠G = ∠R and ∠F = ∠Q

Also, GF = QR and DE = PS

Where QR = 2x-4 and ∠D = 102°, ∠G = 84° and ∠F = 68°, ∠Q = (6y+x)°

Hence, to determine the value of x for the side QR, we have,

Equating the values in GF = QR,we get,

12=2x-4\\16=2x\\8=x

Thus, the value of x is 8.

Substituting x in the angle Q to determine the value of y.

Thus, we have,

∠F = ∠Q

68=6y+x\\68=6y+8\\60=6y\\10=y

Thus, the value of y is 10.

Hence, The values are x=8 and y=10

8 0
3 years ago
What is the value of the expression below when x = 3?<br> 10x2 – 7x + 10
QveST [7]

Answer:

79

Step-by-step explanation:

To find the value of 10x^2 – 7x + 10, when x = 3, simply plug in the value of x in the expression and solve as follows:

10(3)^2 – 7(3) + 10

10(9) – 21 + 10

90 – 21 + 10

79

The value of 10x^2 – 7x + 10, when x = 3, is 79

5 0
3 years ago
afer each soccer practice, scott runs 4 sprints of 20yards each. if he continues his routine how many practice will it take for
lilavasa [31]
The answer is that he will have to sprint 44 times in order for Scott to have sprinted 2 miles

7 0
4 years ago
Which of the following describe an angle with a vertex at E?
Marianna [84]

Answer

B., C.

Step-by-step explanation:

Since the 'E' in the middle

it represents that the angle forms at the vertex E

3 0
4 years ago
Read 2 more answers
Solve for x 3x-3&gt;x+7
Sever21 [200]

Answer:

x>5

Step-by-step explanation:

6 0
3 years ago
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