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3 years ago

Solve the equation. Round the result to the nearest hundredth.

Mathematics

2 answers:

serious [3.7K]3 years ago

8 0

Multiply all sides by 10. make our life easier.

141-3x=13x-42
-16x=-183
divide by -16 both sides

x=11.4375

KATRIN_1 [288]3 years ago

3 0

Answer:

X is the answer.

Step-by-step explanation:

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Find the eighth term of the

Pie

Answer:

see explanation

Step-by-step explanation:

The n th term of a geometric sequence is

$a_{n}$ = a₁ $(r)^{n-1}$

where a₁ is the first term and r the common ratio, hence

$a_{8}$ = 6 × $(-1/3)^{7}$ = 6 × - $\frac{1}{3^{7} }$ = 6 × - $\frac{1}{2187}$ = - $\frac{2}{729}$

7 0

3 years ago

The sum of three consecutive even integers is -114.

Alika [10]

The sum of three consecutives is b

5 0

3 years ago

20% of what number is 30? Pick the proportion that could be used to solve.

Colt1911 [192]

30 is 20% of 150

Working out percentage problems of the form "30 is 20 percent of what number?"

We have, 20% × x = 30

or,

20/100 × x = 30

Multiplying both sides by 100 and dividing both sides by 20,

we have x = 30 × 100/20

x = 150

If you are using a calculator, simply enter 30×100÷20, which will give you the answer.

5 0

3 years ago

A cell phone was on sale 30% off.The sale price was $239.89 .what was the original price of the phone

klasskru [66]

Answer: $167.92

239.89×0.70=167.923

I got the 70 from 100-% off (100-30)

May I ask where this phone is? I need a new one :)

4 0

3 years ago

Find the quotient 3^15/3^3

Sati [7]

There is a property called "Quotient of powers property", which states that:

$\frac{a^m}{a^n}=a^{(m-n)}$

Where "a" is the common base and "m" and "n" are exponents.

For this case, you have:

$\frac{3^{(15)}}{3^3}$

Then, in order to find the quotient, you must apply the Quotient of powers property. You need to write the common base (in this case is 3) and then subtract the exponents.

So, you get that the quotient is:

$\frac{3^{(15)}}{3^3}=3^{(15-3)}=3^{(12)}$

6 0

1 year ago