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soldier1979 [14.2K]
3 years ago
8

PLEASE HELP ME!!!! (if you don’t know don’t answer)

Mathematics
1 answer:
Sergio039 [100]3 years ago
3 0

Answer:

Here are my answers

hope this helps

Step-by-step explanation:

1. isosceles triangle

2.   3x + 15 = 90       x = 25

     x + 25 = 90        x = 65

     x + 55 = 90        x = 35

3. The size for DAB is 84

My reasoning is I went from one angle to another by subtracting 180 from my answers. For example angle 132 is supplementary to the missing angle next to it. I subtract 180 from 132 and get 48. That already solves the 2 equivalent angles in the triangle so I have 48+48+x = 180 because a full triangle equals 180. I get x = 84 then I do the same thing I did with angle 132. Angle 84 is supplementary to the missing angle next to it. I subtract 84 from 180 and get 96 then go diagonal from angle C (which is 96) to angle A. Those are supplementary so I subtract 96 from 180 and get 84.

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The problem is in the pictures, please show step by step how to do it. Thanks! :)
Rama09 [41]

Answer:

-4,-5/2

Step-by-step explanation:

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2x(x+4)-5(x+4) =0

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Either,

x+4=0

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Or,

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7 0
3 years ago
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a state charges an 8.5% sales tax and a 10% excise tax on gasoline. he purchased $25 of gasoline before tax. How should he find
Mama L [17]

Answer:

The total money spend on total tax of purchase is $4.625

Step-by-step explanation:

Given as :

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The price of gasoline before tax = $25

Let The total money on total tax of purchase = $x

Now, Total percentage of tax = sales tax percentage + excise tax percentage

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<u>Again</u>

total money on total tax of purchase = $25 of total total tax percentage

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Hence,The total money spend on total tax of purchase is $4.625 Answer

4 0
3 years ago
What is the solution to this equation?<br> 2x + 3 = x – 4
gavmur [86]

Answer:

<h3>x = -7</h3>

Step-by-step explanation:

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5 0
2 years ago
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<u>Step-by-step explanation:</u>

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The first function has the range of y < -4

The second function has the range of y = -3

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The largest y-value is 1 and the smallest y-value is -∞, therefore the range (y-values) are from -∞ to 1 → y < 1

6 0
3 years ago
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I need help i don’t know the answer
Julli [10]
Answer:

3x - 4 and 2x + 15

Step-by-step explanation:

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