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2 years ago

Please please help please please help me please please help

Mathematics

1 answer:

vova2212 [387]2 years ago

8 0

Answer:

y 1

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=y%20%3D%20%20-%20%20%5Cfrac%7B1%7D%7B2%7Dx%20%2B%209" id="TexFormula1" title="y = - \frac{1}

Fittoniya [83]

X= -2y +18
y= -x/2+9

4 0

2 years ago

Simplify using only POSITIVE exponents:

pickupchik [31]

So here are a few rules with exponents that you should know:

Multiplying exponents of the same base: $x^m*x^n=x^{m+n}$
Dividing exponents of the same base: $x^m\div x^n=x^{m-n}$
Powering a power to a power: $(x^m)^n=x^{m*n}$
Converting a negative exponent to a positive one: $x^{-m}=\frac{1}{x^m}\ \textsf{and}\ \frac{1}{x^{-m}}=x^m$

Firstly, solve the outside exponent:

$(2x^3y^7)^{-2}=2^{-2}x^{3*-2}y^{7*-2}=2^{-2}x^{-6}y^{-14}$

Next, convert the negative exponents into positive ones:

$2^{-2}x^{-6}y^{-14}=\frac{1}{2^2x^6y^{14}}=\frac{1}{4x^6y^{14}}$

<u>Your final answer is $\frac{1}{4x^6y^{14}}$ </u>

For this, just divide:

$\frac{12x^5y^3}{4x^{-1}}=\frac{12}{4}x^{5-(-1)}y^{3-0}=3x^6y^3$

<u>Your final answer is $3x^6y^3$ </u>

For this, convert all negative exponents into positive ones:

$\frac{r^{-7}b^{-8}}{t^{-4}w}=\frac{t^4}{r^7b^8w}$

<u>Your final answer is $\frac{t^4}{r^7b^8w}$ </u>

3 0

3 years ago

The temperature was -3° last night it is now -4° see what was the change in temperature was-3° C. It is -4° C. What was the chan

raketka [301]

Answer:

The temp got colder by -1

Step-by-step explanation:

The difference of -3 to -4

-4 + -3 = -1

7 0

3 years ago

A violin was on sale of 50%

irinina [24]

If it is 50% then it should be half of the original price.

For Example: $30.00 - 50%... the answer would be $15.00 since its the half of the $30.00

6 0

3 years ago

WHAT IS A COMPUTER??

Eduardwww [97]

Answer:

A computer is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

3 0

3 years ago