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Helen [10]
3 years ago
7

Solve log2 (x+5)-log (2x-1)=5

Mathematics
1 answer:
Reptile [31]3 years ago
6 0

Answer:

x= 37/63

Step-by-step explanation:

2^{5} = x+5/2x-12           = base, and it stays, log becomes exponent)

32/1= x+5/2x-1        = cross multiply  32 x (2x-1)

64x-32=x+5             = simplify

63x=37

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Write a linear function f with f(−10)=4 and f(−2)=4.
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f(-10) = 4

f(-2) = 4

Since y is constant while x isnt we just dont need to put x

f(x) = 4

6 0
4 years ago
If one face of the cube has an area of 25cm calculatethe total surface area
DIA [1.3K]

there are 6 faces multiply 25 by 6

25*6=150cm^2

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3 years ago
You flip a coin and then roll a fair six-sided die. The coin lands heads-up and the die shows an even number.
NNADVOKAT [17]

Answer:

1/6

Step-by-step explanation:

If you're asking for the probability that the coin is heads and the die is even. Hope this helps :)

1/3*1/2= 1/6

6 0
3 years ago
Read 2 more answers
Da + ca<br><img src="https://tex.z-dn.net/?f=da%20%2B%20ca" id="TexFormula1" title="da + ca" alt="da + ca" align="absmiddle" cla
sergejj [24]

Answer:

\boxed{a(c + d)}

Step-by-step explanation:

da + ca =  a(c + d)

4 0
3 years ago
Why does sin54°≈0.809≈cos36° in a right triangle?
allsm [11]

9514 1404 393

Answer:

A

54° and 36° are complementary angles in the same right triangle. sin54° is the ratio of the opposite leg and the hypotenuse and cos36° is the ratio of the adjacent leg and the hypotenuse. In this triangle, the opposite leg of 54° and the adjacent leg of 36° are the same leg in the triangle.

Step-by-step explanation:

The answer explains itself.

The sum of angles in a triangle is 180°. When one of the angles is 90°, the sum of the other two angles is also 90°. That means those two acute angles are <em>complementary</em> (not supplementary).

The mnemonic SOH CAH TOA reminds you that ...

  Sin = Opposite/Hypotenuse

  Cos = Adjacent/Hypotenuse

7 0
3 years ago
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