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cluponka [151]
3 years ago
14

Is the equation x+9x-4 a linear equation ? Why or why not ?

Mathematics
2 answers:
Makovka662 [10]3 years ago
6 0
Yes it is linear because the value of the first x is not negative
Sedbober [7]3 years ago
4 0
It is a linear equation, as it can be converted to y-intercept form by adding x to 9x, which makes the equation 10x-4, which can be plotted on a graph with 10 as the slope and -4 as the y-intercept.
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HELP ASAP
kow [346]

Answer:

C

Step-by-step explanation:

The distributive property says that

a\cdot (b+c)=a\cdot b+a\cdot c

Consider option C. In this option,

(0.7\cdot 0.7)+(0.7\cdot 0.9)+(0.7\cdot 0.2)=0.7\cdot (0.7+0.9+0.2)

The left part consists of three products

(0.7\cdot 0.7)\\ (0.7\cdot 0.9)\\ (0.7\cdot 0.2)

Each of these products has the factor 0.7. Usig the distributive property, we can write this factor before the brackets and all remaining factors write as the sum in the brackets:

0.7\cdot (0.7+0.9+0.2)

This is exactly the right part of equality from option C.

7 0
3 years ago
Help I think it's divideing dishes and time but idk how to do it
Andreas93 [3]
200 divided by 30 equals 6.66 dishes per minute. It would take 37.55 minutes to do 250 dishes.
8 0
3 years ago
We want to find the zeros of this polynomial:
fredd [130]

Answer:

x = -3 and x = -3/2

Step-by-step explanation:

After writing down the polynomial, split it; put a line between 3x^2 and -18x. Look and 2x^3 + 3x^2 and -18x - 27 separately and factor them both:

p(x) = 2x^3 + 3x^2 <u>- 18x -27</u>

p(x) = x^2(2x+3) <u>-9(2x+3)</u>

Now notice how x^2 and -9 have the same factor (2x+3). That means x^2 and -9 can go together:

p(x) = (x^2 - 9)(2x+3)

Factor it once more because there's a difference of squares:

p(x) = (x+3)(x-3)(2x+3)

Now just plug in whatever makes the each bracket equal 0:

x = -3, x = 3, and x = -3/2

Those are your zeros.

8 0
3 years ago
In circle a, arc mCFE is 240 degrees<br><br> what is the measure of angle CAE
sweet-ann [11.9K]
120 because its a circle and 360-240 =120
6 0
4 years ago
Read 2 more answers
URGENT PLEASE HELP Select the correct solution set. x + 17 ≤ -3 {x | x ≤ -20} {x | x ≤ 14} {x | x ≥ -20}
grigory [225]

Answer:

The correct answer is the first solution set.

Step-by-step explanation:

If we substitute -20 into the equation we get

-20+17≤-3

-3≤-3

So,the inequality is right.

We can check the second one

14+17≤-3

31≤3 The inequality is false.

We can check the last one

-20+17≤-3

-3≤3 It works however there is a difference between the first one and the last one and that is the sign.For the first one there x≤-20 meaning the greatest number x can be is -20.For the last one x≥-20 which means -20 is the least value x can be.

If we substitude -21 into the equation we get

-21+17≤-3

-4≤-3

The inequality is false because -4 is not smaller than -3.

So,the right answer is the first solution set.

7 0
3 years ago
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