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castortr0y [4]
3 years ago
11

I WILL GIVE BRAINLEST IF YOU HELP ME PLEASE

Mathematics
2 answers:
Alexus [3.1K]3 years ago
6 0
I think the answer will be 8x-3y
jeka943 years ago
4 0
(10x-2y)+(-3y)= 10x-5y
(10x-5y)-(2x-2y)= 8x-3y

ANSWER: 8x-3y
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What is <br> 340 pages; 20 percent decrease
tresset_1 [31]
The answer would be 272 because youre trying to find the decrease which is 
340x.20 because you always move the percent over two decimals. you would get 68 after multiplying it then u would subtract that number by 340.
8 0
4 years ago
Ben strikes out 90 times in 340 at bat. What percent of the time does Ben strike out
nikklg [1K]

Answer:

percentage=26.47\%

Step-by-step explanation:

Ben\ strikes\ in\ 340\ efforts=90\\\\So\ fraction\ he\ can\ strike\ 1\ effort=\frac{number\ of\ times\ he\ strikes}{total\ efforts}\\\\So\ fraction\ he\ can\ strike\ in\ 1\ effort=\frac{90}{340}\\\\So\ fraction\ he\ can\ strike\ in\ 1\ effort=\frac{9}{34}\\\\He\ can\ strike\ in\ 100\ efforts=\frac{9}{34}\times 100\\\\percentage=26.47\%

3 0
4 years ago
Information reference tables what is the solution set of the equation log4 (x2 + 3x) − log4 (x + 5) = 1?
faust18 [17]
Use this property of logarithms:

\log_b\left(\dfrac{x}{y}\right)=\log_b x-\log_b y

Your equation transforms into:

log_4\left(\dfrac{x^2+3x}{x+5}\right)=1

Now, you have to apply the definition of a logarithm to express the equation in exponential form:

\dfrac{x^2+3x}{x+5} = 4^1

In case you don't remember, this is the definition of a logarithm:

\log_b x = y \iff b^y = x

The log is the exponent (y) you have to raise the base (b) to in order to get the power (x).

Finally, solve the rational equation:

\dfrac{x^2+3x}{x+5} =4 \iff x^2+3x=4(x+5)
\iff x^2-x-20=0
\iff x=\dfrac{1\pm\sqrt{(-1)^2-4\cdot(-20)}}{2}= \left \{ {{5} \atop {-4}} \right.

The correct answer is d.
5 0
3 years ago
How to determine if a function is one to one algebraically?
Mkey [24]
All you have to do is multiply the least commen donomenator by 2 and that will be your answer
4 0
3 years ago
Please help me quickly
DaniilM [7]

Answer:

0.4

Step-by-step explanation:

Find square root of 12 and 15

12=3.46 rounded to 3.5

15=3.87 rounded to 3.9

0.9-0.5=0.4

5 0
3 years ago
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