2 years ago

X-1/2*1/8=1/8 Find the value of x.

Mathematics

1 answer:

MA_775_DIABLO [31]2 years ago

7 0

Answer:

x = 3 / 16

Step-by-step explanation:

Simplify first:

x - 1 / 16 = 1 / 8

x = 3 / 16

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3 years ago

Your family goes out for dinner on Sunday night. If the total bill came out to $175 but your parents had a 20% off coupon. How m

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Answer:

Step-by-step explanation:

175-20%= 35 off

175-35=140

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140+11.20= 151.20

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2 years ago

What is the 9th term of the following geometric sequence? 7/9,-7/3,7,-21,63 ??????

dmitriy555 [2]

Given:

The geometric sequence is:

$\dfrac{7}{9},\dfrac{-7}{3},7,-21,63,...$

To find:

The 9th term of the given geometric sequence.

Solution:

We have,

$\dfrac{7}{9},\dfrac{-7}{3},7,-21,63,...$

Here, the first term is:

$a=\dfrac{7}{9}$

The common ratio is:

$r=\dfrac{a_2}{a_1}$

$r=\dfrac{\dfrac{-7}{3}}{\dfrac{7}{9}}$

$r=\dfrac{-7}{3}\times \dfrac{9}{7}$

$r=-3$

The nth term of a geometric sequence is:

$a_n=ar^{n-1}$

Where, a is the first term and r is the common ratio.

Substitute $a=\dfrac{7}{9},r=-3,n=9$ to find the 9th term.

$a_9=\dfrac{7}{9}(-3)^{9-1}$

$a_9=\dfrac{7}{9}(-3)^{8}$

$a_9=\dfrac{7}{9}(6561)$

$a_9=5103$

Therefore, the 9th term of the given geometric sequence is 5103.

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3 years ago

Danny will be starting college soon and goes shopping for some new clothes. After setting aside money for school expenses, he ha

Rufina [12.5K]

Select the number line which shows that Danny has -5$ in his bank account
if Danny had 120$ and spends 125$ that's

120 - 125 = -5

so -5$

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2 years ago

Which choice describes whether x = 19 is the solution of the equation 42 = 3x - 15?

Ugo [173]

Answer:

check

Step-by-step explanation:

3(19) - 15 = 42

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2 years ago