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2 years ago

How many times larger is 3 x 10 to the power of negative 5 end exponent than 6 x 10 to the power of negative 12 end exponent

Mathematics

1 answer:

valentinak56 [21]2 years ago

6 0

For you to be able to answer this you might need a tall numberline

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Solve 3x + 2 = 15 for x using the change of base formula log base b of y equals log y over log b. −1.594 0.465 2.406 4.465

disa [49]

Answer:

The value in 3x + 2 = 15 for x using the change of base formula is 0.465 approximately and second option is correct one.

Solution:

Given, expression is $3^{(x+2)}=15$

We have to solve the above expression using change of base formula which is given as

$\log _{b} a=\frac{\log a}{\log b}$

Now, let us first apply logarithm for the given expression.

Then given expression turns into as, $x+2=\log _{3} 15$

By using change of base formula,

$x+2=\frac{\log _{10} 15}{\log _{10} 3}$

x + 2 = 2.4649

x = 2.4649 – 2 = 0.4649

Hence, the value of x is 0.465 approximately and second option is correct one.

3 0

3 years ago

Read 2 more answers

Y=_x+4 x + 2y = 8 How many solutions dose this linear system have

jeyben [28]

Answer:

X=-1, y=4

Step-by-step explanation:

$y = x + 4 \\ x + 2y = 8 \\ = = = = = = = = = = = = \\ y - x = 4 \\ x + 2y = 8$

by using eliminating property

$3y = 12 \\ y = \frac{12}{3} = 4$

by substitution

X=-1

6 0

3 years ago

Mrs.Henderson had 7/12dozen eggs in her refrigerator.Then she used 1/6 dozen eggs to make a cake.What fraction of a dozen is lef

zhuklara [117]

Ok so to find the eggs left we need to subtract but with fractions, you need a common denominator. You can multiply 1/6 by 2 because 6·2=12 which will be the same denominator as 7/12. You must multiply the numerator by 2 as well so 1/6· 2/2= 2/12. Now subtract 7/12 - 2/12 and you have 5/12 eggs left. :)

5 0

3 years ago

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Shiloh is splitting a quart of mac n cheese with seven friends If all 8 of them share the quart equally, how many cups will each

NNADVOKAT [17]

Answer:

half a cup

Step-by-step explanation:

there are 4 cups in a quart they will each get half a cup

3 0

2 years ago

Help me ASAP pls, it’s due tomorrow !

Damm [24]

Answer:

the answer is 1

Step-by-step explanation:

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3 years ago