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dalvyx [7]
3 years ago
5

Note: You may use a calculator to solve the following problems.

Mathematics
1 answer:
Verizon [17]3 years ago
4 0
Use a calculator it will help.
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Solve the equation. Check for extraneous solutions.<br><br> <img src="https://tex.z-dn.net/?f=2%7C7-7x%7C%3D2x%2B4%20" id="TexFo
lakkis [162]
2(7-7x) = 2x + 4
14 - 14x = 2x +4
16x = 10
x = 10/16
x = 0.625


2[-(7-7x)] = 2x + 4
-14 +14x = 2x + 4 
12x = 18
x = 18/12
x = 1.5

answer:
solutions x = 0.625 and x = 1.5

4 0
3 years ago
Read 2 more answers
Can the sides of a triangle have lengths 2, 10, and 11?<br> yes<br> no
madreJ [45]

Answer:

Yes

Step-by-step explanation:

Triangle inequality theorem states that a triangle can exist if

a + b > c; a + c > b; b + c > a

a = 2; b = 10; c = 11

2 + 10 = 12; 12 > 11.

2 + 11 = 13; 13 > 10.

10 + 11 = 21; 21 > 2.

4 0
2 years ago
the appalachian trail is a 2,155-mile hiking trail in the eastern United states. You plan to hike the section of the trail that
Anestetic [448]

Step-by-step explanation:

9 miles per day

8 days hiking

9m x 8d = 72 miles long

4 0
3 years ago
What is distance between -8 and 3 on the number line
Anna11 [10]

Answer:

11

Step-by-step explanation:

5 0
3 years ago
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Here is an equilateral triangle. The length of each side is units. A height is drawn. In an equilateral triangle, a line drawn f
Temka [501]

1. Height of the equilateral triangle is: √3 units

2. Area of the equilateral triangle = √3 units²

3. Area = √3/4 x², when each side is x.

<h3>What is an Equilateral Triangle?</h3>

A triangle that has all its three sides equal in length, is referred to as an equilateral triangle.

1. Given the each side measures 2 units, and h is the height, applying the Pythagorean theorem, we would have:

h = √(2² - 1²)

h = √(4 - 1)

h = √3

2. Area of the equilateral triangle = 1/2bh = 1/2(2)(√3)

Area of the equilateral triangle = √3 units²

3. If x is the side length of the equilateral triangle, we would have:

height (h) = √[x² - (x/2)²] = √[x² - x²/4] = √(3x²/4) = √3/2x

Area = 1/2bh = 1/2(x)(√3/2x) = √3/4 x²

Learn more about equilateral triangle on:

brainly.com/question/15294703

#SPJ1

3 0
2 years ago
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