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Feliz [49]
3 years ago
12

Solve for “x” 5(x + 3) = -2(x - 6) Need help ASAP All steps PlZ Will give Brainlist

Mathematics
2 answers:
schepotkina [342]3 years ago
5 0

Answer:

Step-by-step explanation:

ANEK [815]3 years ago
3 0

Answer:

x = -3/7

Step-by-step explanation:

5(x + 3) = -2(x - 6)

Multiply the values on the outside of the parenthesis by what is on the inside.

5x + 15 = -2x + 12

Combine like terms by bringing them over to the other side using the necessary operation (addition or subtraction).

Bring -2x over to the left side by adding it to 5x.

5x + 2x = 7x

Bring 15 over to the right side by subtracting it from 12.

12 - 15 = -3

Now we have:

7x = -3

We need to get the x all by itself, so we divide both sides by 7.

7x/7 = x

-3/7 cannot be simplified further, so it is left as -3/7.

If you're confused about anything or have any questions, comment them and I'll try to help ya out. :)

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The length of each side of an equilateral triangle is 74mm, correct to the nearest millimeter. Calculate the smallest possible p
Olin [163]

Answer:

  221 mm

Step-by-step explanation:

The dimension 74 mm is presumed to mean that the actual length could be anywhere in the interval [73.5, 74.5). So, the minimum perimeter is ...

  3 × 73.5 = 220.5 ≈ 221 . . . millimeters

_____

The perimeter of an equilateral triangle is 3 times the side length, since all three sides of the triangle are the same length.

8 0
3 years ago
I need help understanding which is a,b, or c​
klemol [59]

Answer:

see explanation

Step-by-step explanation:

Using Pythagoras' theorem, that is

The square on the hypotenuse of a right triangle is equal to the sum of the squares on the other two sides.

Using x instead of ?

(a)

The hypotenuse is the side opposite the right angle, that is 74, thus

24² + x² = 74²

576 + x² = 5476 ( subtract 576 from both sides )

x² = 4900 ( take the square root of both sides )

\sqrt{x^{2} } = \sqrt{4900}

x = 70

----------------------------------------------------------------------

(b)

The hypotenuse x is the unknown side here

x² = 40² + 40² = 1600 + 1600 = 3200

Take the square root of both sides

\sqrt{x^{2} } = \sqrt{3200} ≈ 56.6 ( nearest tenth )

7 0
4 years ago
Read 2 more answers
The polynomial p(x)=7^3-7x-6 has a known factor of (x+1) rewrite p(x) as a product of linear functions
san4es73 [151]

Answer:

p(x)=(x+1)(x+2)(x-3).

Step-by-step explanation:

Note: The given function is not correct.

Consider the given polynomial is

p(x)=x^3-7x-6

It is given that (x+1) is a factor of given function.

Using synthetic division, divide P(x) by (x+1) as shown below.

-1  |     1      0     -7      -6

    |           -1       1       6

--------------------------------------

        1       -1      -6       0

--------------------------------------

Bottom line represents the coefficients of quotient except the last element because it is remainder. So, the given function can be written as

p(x)=(x+1)(x^2-x-6)

p(x)=(x+1)(x^2-3x+2x-6)

p(x)=(x+1)(x(x-3)+2(x-3))

p(x)=(x+1)(x+2)(x-3)

Therefore, the function as a product of linear functions is p(x)=(x+1)(x+2)(x-3).

7 0
3 years ago
What is the value of 4x(x3−2) when x=−3?
Kaylis [27]

Answer:

-23

Step-by-step explanation:

Because it is.

Mark as brainliest PLZ! It will make my day! Thank you!

Visit my church's website at fbcinterlaken.org if you want to learn more about God!

3 0
2 years ago
Find the inverse of the function.<br> y = 5x + 5
Ugo [173]

Answer:

f^−1(x)=x/5 −1

Step-by-step explanation:

8 0
3 years ago
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