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Alex17521 [72]
3 years ago
11

X² + 3x – 7=0 Solve X= or x=

Mathematics
1 answer:
svetoff [14.1K]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

X² = 3x - 7 = 0

X² = 3x = 7

(x + 1) (x + 2) = 7

(x + 1) + x = 7 - 2

x + x = 7 - 3

2x = 4

x = 4/2

x = 2

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aliya0001 [1]

Answer:

4 hours

Step-by-step explanation:

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4+1.5x<2.75x

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4< 1.25x

Divide 1.25 on each side

3.2<X

Since they on,y charge per hour so 4 hours

3 0
3 years ago
Read 2 more answers
Which of the following is the number if sides a polygon can have to form a regular tessallation?
Arisa [49]

None of the options is true.

Three Different, Regular tessellation is formed 1. if we join regular polygons of side 3, called equilateral triangle,2. Regular polygon of side 4, called Square, and 3. Regular polygon of side,6 called hexagon,

to form a pattern.

<h3>What is the polygon?</h3>

A polygon is said to be regular if all interior angles and all sides are equal.

The regular polygon of side 3, when joined together can be named: 3.3.3.

The regular polygon of side 4, when joined together can be named 4.4.4.

The regular polygon of side 6, when joined together can be named 6.6.6.

So, a regular tessellation is formed, from a regular polygon having,3,4, and 6 Sides.

None of the sides of the polygon, which is given in the option, can be used to form a regular tessellation.

None of the options is true.

To learn more about the polygon visit:

brainly.com/question/1592456

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6 0
2 years ago
3. A garden is going to be built in the city park in the shape of a parallelogram with a rectangular walkway
Firlakuza [10]

Answer: i dont know the answer but find the area of each shape then add them together

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3 years ago
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Vladimir [108]
Four children average is 15.25 so ages must add to 61
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2 years ago
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Marysya12 [62]
This is the equation. Try it for yourself and see if it works.

C= n x 4
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3 years ago
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