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3 years ago

If Katie bought some flowers she use 3/8 of it to bake bread what percent of the flour is left

Mathematics

2 answers:

Kruka [31]3 years ago

7 0

Eight minus three is five so 5/8.

ANTONII [103]3 years ago

5 0

62.5%

100 / 8 = 12.5

12.5x3 = 37.5

100 - 37.5 = 62.5%

I think.......

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Write each expression as an equivalent expression with a single logarithm. Assume xx, yy, and zz are positive real

Alekssandra [29.7K]

Answer:

$\ln(\frac{xx + yy}{zz})^{\frac{1}{2}}$

Step-by-step explanation:

Given:

1/2(ln(xx + yy) − ln(zz))

Now,

From the properties of log function,

1) n × ln(x) = ln(xⁿ)

and,

2) ln(A) - ln(B) = $\ln\frac{A}{B}$

applying the properties in the given equation

we get the above equation as:

$\frac{1}{2}(\ln\frac{xx + yy}{zz})$

( using the property 2 we get (ln(xx + yy) − ln(zz) = $\ln\frac{xx + yy}{zz}$

⇒ $\ln(\frac{xx + yy}{zz})^{\frac{1}{2}}$ ( using the property 1 i.e n × ln(x) = ln(xⁿ) )

expression as an equivalent expression with a single logarithm is $\ln(\frac{xx + yy}{zz})^{\frac{1}{2}}$

3 0

3 years ago

F(x) = x2 + 1<br> g(x) = 5 – x

xz_007 [3.2K]

Answer:

g(x) = 5 – x

Step-by-step explanation:

7 0

3 years ago

Use the properties of logarithms to prove log, 1000 = log2 10.

Leto [7]

Given:

Consider the equation is:

$\log_81000=\log_210$

To prove:

$\log_81000=\log_210$ by using the properties of logarithms.

Solution:

We have,

$\log_81000=\log_210$

Taking left hand side (LHS), we get

$LHS=\log_81000$

$LHS=\dfrac{\log 1000}{\log 8}$ $\left[\because \log_ab=\dfrac{\log_x a}{\log_x b}\right]$

$LHS=\dfrac{\log (10)^3}{\log 2^3}$

$LHS=\dfrac{3\log 10}{3\log 2}$ $[\because \log x^n=n\log x]$

$LHS=\dfrac{\log 10}{\log 2}$

$LHS=\log_210$ $\left[\because \log_ab=\dfrac{\log_x a}{\log_x b}\right]$

$LHS=RHS$

Hence proved.

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3 years ago

HELP ME PLEASE ME!10 POINTS

WITCHER [35]

Answer:

it would be -3 is less than x

Step-by-step explanation:

because -3 is negitive and x is positive so -3 is less than x can you mark brainlist if im right

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3 years ago

If 2 cards are selected from a standard deck of 52 cards.The first card is placed back in the deck before the 2nd card is drawn.

Mkey [24]

There are 13 cards of each suit.

Picking a heart would be 13/52 which reduces to 1/4

Then replacing the card and picking a club would be the same : 1/4

Picking a heart then a club would be 1/4 x 1/4 = 1/16

Answer: 1/16

7 0

2 years ago