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Readme [11.4K]
2 years ago
14

Find the value of this expression if x = 5. x2 – 5

Mathematics
1 answer:
BigorU [14]2 years ago
5 0
The value is 5, the steps above are correct
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Solve the equation.<br> 2x – 3 + 4x = 21<br> x=-12<br> x= -6<br> x = 4<br> x = 6
WARRIOR [948]

Answer:

x = 4

Step-by-step explanation:

2x-3+4x=21

Isolate the variable by dividing each side by the factors that don't contain the variable

3 0
2 years ago
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Evaluate the expression 3.14(7)^2
ruslelena [56]

Answer:

153.86

Step-by-step explanation:

3.14(7)^2

3.14 × (7 × 7)

3.14 × 49

153.86

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How do i make a flowchart for a robot taking someone’s food order
Margarita [4]

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5 0
3 years ago
PLEASE HELP and explain! ill give brainliest if you do
EastWind [94]

Area of the rectangle

= l  \times b

= 8 \times 6

= 48 {in}^{2}

Area of the semicircles

= 2 \times ( \frac{1}{2} \pi {r}^{2} )

= \pi {r}^{2}

= \pi {3}^{2}

= 9\pi

= 9 \times 3.14

= 28.26 {in}^{2}

Area of the figure

= 48 + 28.26

= 76.26 {in}^{2}

= 76.3in²

(rounded)

6 0
2 years ago
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Percy solved the equation x2 7x 12 = 12. his work is shown below. is percy correct? explain. 1. (x 3)(x 4) = 12 2. x 3 = 12 or x
stepladder [879]

Percy solved the equation by expanding the expression on the left-hand side, and this is incorrect

<h3>How to determine the true solution?</h3>

The equation is given as:

x^2 + 7x + 12 = 12

The first step in solving the equation is to equate the equation to 0.

i.e.

x^2 + 7x + 12 - 12 = 0

This given

x^2 + 7x = 0

From the question, Percy solved the equation by expanding the expression on the left-hand side

Hence, Percy's solution is incorrect

Read more about equations at:

brainly.com/question/2972832

#SPJ4

6 0
2 years ago
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