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BigorU [14]
3 years ago
15

What are the solution of the equation 2|×+7|-3=5​

Mathematics
2 answers:
goblinko [34]3 years ago
5 0

Answer:

Solution of the equation 2|x +7|-3=5 is :

<u>x1 = - 11 </u>and<u> x2 = - 3</u>

AURORKA [14]3 years ago
3 0

Answer:

  x = -3 and x = -11

Step-by-step explanation:

Find the "bare" absolute value function, then solve the two resulting equations.

  2|x+7| -3 = 5

  2|x +7| = 8 . . . . . add 3

  |x +7| = 4 . . . . . . divide by 2

This resolves to two equations:

  x +7 = 4

  x = -3 . . . . . subtract 7

and

  x +7 = -4

  x = -11 . . . . . subtract 7

The two solutions are ...

  x = -3 and x = -11

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Find the missing the side of the triangle. 19New A. 73‾√ in B. 72‾√ in C. 75‾√ in D. 77‾√ in
valina [46]

By applying Pythagorean's theorem, the missing side of this right-angled triangle is: A. 7√3 inches.

<h3>How to find the missing side?</h3>

By critically observing the triangle shown in the image attached below, we can logically deduce that it is a right-angled triangle. Thus, we would find the missing side by applying Pythagorean's theorem:

z² = x² + y²

Also, the sides of this right-angled triangle are:

  • Hypotenuse = 14 inches.
  • Opposite side = x inches.
  • Adjacent side = 7 inches.

Substituting the given parameters into the formula, we have;

14² = x² + 7²

196 = x² + 49

x² = 196 - 49

x² = 147

x = √147

x = √49 × √3

x = 7√3 inches.

Read more on Pythagorean theorem here: brainly.com/question/23200848

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3 0
2 years ago
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Darya [45]
The answer is 20 I think so
5 0
3 years ago
What is the slope of the line?
spin [16.1K]

Answer: 2

Step-by-step explanation:

The slope of a line is \frac{rise}{run} (rise over run)

This means for every point you must go up/down to get your next point you divide it by every point you go right/left.

From one point to the next it goes up 2 (rise) and right 1 (run)

\frac{2}{1} = 2 so that is your slope

8 0
3 years ago
!!!!Pls help!!!!!
hichkok12 [17]

Answer:

(2,4) is a solution to this system of equations

Step-by-step explanation:

Given system of equation are

y=2x \hfill (1)

y=\frac{-1}{2}x+5\hfill (2)

To find the solution of the given system of equations

To Check that (2,4) is a solution to this system or not

Solving equations (1) and (2)

From equation (1) and y=2x

Now substitute y=2x is equation (2)

2x=\frac{-1}{2}x+5

\frac{-1}{5}x+5-2x=0

5-\frac{x}{2}-2x=0

5-\frac{x+4x}{2}=0

5-\frac{5x}{2}=0

\frac{10-5x}{2}=0

10-5x=0

-5x=-10

x=\frac{10}{5}

Substitute x=2 in equation (1)

y=2x

y=2(2)

Therefore y=4

Therefore the solution is (2,4)

Therefore (2,4) is a solution to the system of equations.

4 0
3 years ago
Write the given vector in terms of i and j.
8_murik_8 [283]
The first number is coefficient for i, and the second number is coeff. for j
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<0,-8> is the same as 0i-8j, or simply 8j
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