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goblinko [34]
3 years ago
6

Subtract 2x – 15x + 6 from 5x + 23x - 4

Mathematics
1 answer:
bagirrra123 [75]3 years ago
8 0

Answer:

2

Step-by-step explanation:

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Micah was asked to add the following expressions:
scZoUnD [109]

Given expression: \frac{3x^2-x-9}{x^2+3x+2}+\frac{-2x^2+2x+5}{x^2+3x+2}


We need to add the given rational expressions.


First step: Combined like terms in the numerator and kept the common denominator.


\frac{3x^2-x-9-2x^2+2x+5}{x^2+3x+2} =\frac{x^2+x-4}{x^2+3x+2}


Second step they applied : Canceling the like term x^2 and got \frac{x-4}{3x+2}.

Note: We can't cancel like terms in top and bottom like this.

We can cancel out common factors in top an bottom.

<h3>Therefore, Micah did not add the expressions correctly.</h3>
3 0
4 years ago
NEED ANSWER ASAP <br> MARKING BRAINLIEST
natta225 [31]

Answer:

AB = 10π

Step-by-step explanation:

The length of the arc is calculated as

arc = circumference of circle × fraction of circle

      = 2πr × \frac{150}{360}

      = 2π × 12 × \frac{5}{12} ← cancel 12 on numerator/ denominator, leaving

AB = 2π × 5 = 10π

     

7 0
3 years ago
Read 2 more answers
A cell phone provider offers a plan that costs ​$40 per month plus ​$0.20 per text message sent or received. A comparable plan c
GalinKa [24]
So what times .2 equals 20
100 messages
6 0
4 years ago
Read 2 more answers
Charles Miller invested his textbook royalty income in two accounts, one paying 3% annual simple interest and the other paying 2
yKpoI14uk [10]

Answer:

The amount invested at 3% is 300 &

The amount invested at 2% is 100.

Step-by-step explanation:

Total yearly interest for the two accounts is: $11

Let x be the amount invested at 3%

& y be the amount invested at 2%

From the question we can get 2 equations as;

x = 3y --------------------------Equation 1

0.03x + 0.02y = 11 ----------Equation 2

Substitute for x in Equation 2 we get;

0.03 (3y) + 0.02y = 11

0.09y + 0.02y = 11

0.11y = 11

Divide the above equation by 0.11, we get;

y = \frac{11}{0.11}

y = 100

Let us substitute the value of y in Equation 1 we get;

x = 3(100)

x = 300

Now to check our answer let us put in the simple interest formula. If we get the sum of the two interests equal to 11 then our answers are correct:

0.03 x 300 + 0.02 x 100

= 9 + 2

= 11

Hence the amount invested at 3% is 300 and the amount invested at 2% is 100.

6 0
4 years ago
What percent of 56 is 14?
Llana [10]

Answer:

25%

Step-by-step explanation:

14/56 * 100/100

= (14 × 100/56) * 1/100

= 25/100

= 25%

8 0
3 years ago
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