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Mars2501 [29]
3 years ago
7

-5x-10=10 I don't know how to solve this can u give me a answer for this

Mathematics
2 answers:
Gekata [30.6K]3 years ago
7 0
-5x-10=10\\
-5x=20\\
x=-4
Tanzania [10]3 years ago
3 0
Your equation: -5x-10=10

Your goal is to get "x" by itself

So add 10 to each side like -5x-10+10=10+10 which is now -5x=20

Now divide the 20 by -5 which is -4

Answer: x=-4
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The sum of the roots of 3x 2 + 11x - 4 = 0 is<br><br> -11/3<br> -4/3<br> 11/3<br> 4/3
givi [52]

Answer:

The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0             .... (1)

Then the sum of the roots is -b/a and the product of roots is c/a.

The given equation is

3x^2+11x-4=0          ... (2)

From (1) and (2) we get a=3, b=11 and c=-4.

The sum of roots is

\frac{-b}{a}=-\frac{11}{3}

The sum of roots is -\frac{11}{3}.

Therefore the correct option is 1.

5 0
4 years ago
HELP PLSS!!
erma4kov [3.2K]

Answer:

12

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ 3, 6 ] , then

f(b) = f(6) = 6² + 3(6) + 2 = 36 + 18 + 2 = 56

f(a) = f(3) = 3² + 3(3) + 2 = 9 + 9 + 2 = 20 , then

average rate of change = \frac{56-20}{6-3} = \frac{36}{3} = 12

8 0
3 years ago
I need help to grab a line this is a stadi G checkpoint it gives you the answer if you do not know it but I don’t want just the
olga55 [171]

The most direct form to graph a line, is to find two points of it and connect them with a line.

Here we have:

y=2x-6

Let's find the point where x = 0. To do this, we replace the x in the equation by 0:

\begin{gathered} y=2\cdot0-6 \\ y=-6 \end{gathered}

We have our first point: (0, -6)

Next let's find the point where y = 0. Again, we replace y in by 0 in the equation:

\begin{gathered} 0=2x-6 \\ 6=2x \\ x=\frac{6}{2}=3 \end{gathered}

We have our second point, (3, 0)

Now all we have to do is plot the points (0, -6) and (3, 0) in the plane, and connect them with a line, and then the line is graphed

The line should look like this:

8 0
1 year ago
Please help as soon as possible <br>I WILL MARK YOU AS BRAINLIEST ​
Vlada [557]

Answer:

64

Step-by-step explanation:

81-17=64.

To find the range, subtract the smallest value from the largest value.

6 0
3 years ago
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Help me please and thank you! Question is below!
yKpoI14uk [10]

Answer:

4² + b² = 8² or 8² = b² + 4² if following hypotenuse, unknown, and known leg

Step-by-step explanation:

Created by using a² + b² = c²

5 0
3 years ago
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