3 years ago

Find the value of x.

Mathematics

2 answers:

Lena [83]3 years ago

4 0

Answer:

The answer is X equals 17

jekas [21]3 years ago

4 0

17 have a nice dayyyy

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Exponents!

sweet [91]

We know that:

$x^{a+b}=x^a\cdot x^b$

and:

$(x\cdot y)^a=x^a\cdot y^a$

so:

$3^{x+2}-3^{x}=6^3\cdot3^7\\\\3^x\cdot3^2-3^x=(2\cdot3)^3\cdot3^7\\\\3^x\cdot9-3^x=2^3\cdot3^3\cdot3^7\\\\3^x\cdot9-3^x=8\cdot3^3\cdot3^7\\\\
3^x\cdot9-3^x=8\cdot3^{3+7}\\\\3^x\cdot9-3^x=8\cdot3^{10}\\\\3^x\cdot(9-1)=8\cdot3^{10}\\\\8\cdot3^x=8\cdot3^{10}\quad|:8\\\\3^x=3^{10}\\\\\boxed{x=10}$

4 0

3 years ago

A group of 5 friends shares 35 pieces of candy equally. How many pieces of candy does each friend receive?

artcher [175]

Divide total pieces of candy by total people:

35 / 5 = 7

Each person receives 7 pieces of candy

7 0

3 years ago

Read 2 more answers

What is 0.564 written in expanded form?

finlep [7]

Answer:

0.5 + 0.06 + 0.004 in expanded form.

Step-by-step explanation:

3 0

3 years ago

Determine the slope of the line 5x − 3y − 12 = 0.

givi [52]

Answer:

slope of a line is given by -A/B

Here A=5 and B= -3

so , when we plug in the values: -(5/-3) = 5/3

five thirds lol.

6 0

4 years ago

The length of a rectangular piece of cardboard is 1 4/5 meters. If its width is 2/3 of its length, what is the width of the card

Lynna [10]

Answer:

6/5 or 1.2

Step-by-step explanation:

First, you need to multiply the length by how much the width is of the length, which is 2/3, so you multiply 1 4/5 by 2/3 and you get 6/5. If you want the decimal form, then the answer will be 1.2.

7 0

3 years ago