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mart [117]
3 years ago
6

What is the answer?????​

Mathematics
1 answer:
Vlad [161]3 years ago
3 0

Answer:

< 1 = 88

< 2 = 92

Step-by-step explanation:

First add 4x - 4 + 4x = 180

X = 23

4(23) - 4 = 88

4(23) = 92

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Write an equation of the line that passes through (2, -3) and is perpendicular to the line y=-2x-3
Natalija [7]

Answer:

y=\frac{1}{2} (x-2)-3 or y=\frac{1}{2} x-4

Step-by-step explanation:

The perpendicular slope is the opposite-reciprocal of the original slope:

Perpendicular slope of -2 is \frac{1}{2}

Write the equation in point-slope form (y=a(x-h)+k):

y=\frac{1}{2} (x-2)-3

Convert to slope-intercept form if needed:

y=\frac{1}{2} x-1-3

y=\frac{1}{2} x-4

8 0
3 years ago
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An amusement park recently increased the cost of a family season pass. The original price was $150. The new price is $183. What
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Step-by-step explanation:

150 x 1.22 = 183

6 0
3 years ago
5. Janna and Laura broke a six-inch candy bar in half to share with each
kobusy [5.1K]

Answer:

3 inches

Step-by-step explanation:

6 divded by 2 (or in half ) is 3

4 0
3 years ago
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Kianna has $2.83. Avery has $5.18.
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26.7

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2 years ago
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The quadratic equation 2x^2 + bx + 18 = 0 has a double root. Find all possible values of b.
Doss [256]
When a quadratic equation ax^2+bx+c has a double root, the discriminant,
D=b^2-4ac=0
Here 
a=2,
b=b,
c=18
and 
D=b^2-4ac=b^2-4*2*18=0 
solve for b
b^2-144=0
=> b= &pm; sqrt(144)= &pm; 12

So in order that the given equation has double roots,  the possible values of b are &pm; 12.
4 0
3 years ago
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