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omeli [17]
3 years ago
7

X - 18 = -2. Solve this equation. Check your solution

Mathematics
2 answers:
Alika [10]3 years ago
7 0

Answer:

X=16

Step-by-step explanation:

X-18=-2

+18  +18

X=-2+18

X=16

Sunny_sXe [5.5K]3 years ago
5 0

Hi! :)

Answer:

\boxed{x=16}

<u><em>*The answer must have a POSITIVE sign!*</em></u>

Step-by-step explanation:

First, you add by 18 from both sides of an equation.

x-18+18=-2+18

Then, simplify.

18-2=16

Final answer is →→→→→→→ \boxed{X=16}

Hope this helps!

Thanks!

Have a nice day! :)

:D

-Charlie

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pychu [463]

Given:

The figure of a rhombus QRST.

To find:

A. The value of x.

B. The measure of angle RQP.

Solution:

A. We need to find the value of x.

We know that the diagonals of a rhombus are perpendicular bisectors. It means the angles on the intersection of diagonals are right angles.

m\angle RPS=90^\circ                       [Right angle]

(5x+15)^\circ=90^\circ

(5x+15)=90

5x=90-15

5x=75

Divide both sides by 5.

x=\dfrac{75}{5}

x=15

Therefore, the value of x is 15.

B. We need to find the measure of angle RQP.

From the given figure, it is clear that

m\angle RQP=(2x+3)^\circ

Putting x=15, we get

m\angle RQP=(2(15)+3)^\circ

m\angle RQP=(30+3)^\circ

m\angle RQP=33^\circ

Therefore, the measure of angle RQP is 33 degrees.

8 0
2 years ago
Which number is irrational?
lisov135 [29]

Answer:

C.

Step-by-step explanation:

The answer C is not rational

6 0
3 years ago
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Select the equivalent expression that shows the fewest possible terms.
LenaWriter [7]

Answer:

Step-by-step explanation:

7a-10c-2a-0.5c+5

5a-10.5c+5

it is your first choice

7 0
3 years ago
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What is the slope intercept form of the equation 4x-8y=72
Masteriza [31]

Answer:

y = 1/2x - 9

General Formulas and Concepts:

<u>Alg I</u>

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Standard Form: 4x - 8y = 72

<u>Step 2: Find slope-intercept form</u>

  1. Subtract 4x on both sides:          -8y = 72 - 4x
  2. Divide both sides by -8:               y = -9 + 1/2x
  3. Rewrite:                                         y = 1/2x - 9
6 0
2 years ago
Could some pls help me!
Aleonysh [2.5K]

39.95 + 9.80 = 49.75

70.23 - 49.75 = 20.48

20.48 / 0.32 = 64

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