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Klio2033 [76]
3 years ago
8

I need to know this geometry answer.

Mathematics
2 answers:
Dafna11 [192]3 years ago
6 0
Why are you learning geometry in elementary??
STatiana [176]3 years ago
3 0
2x + 1.5x +20 = 90 
3.5 x = 90-20 
3.5 x = 70 
x = 70/3.5 
x = 20 
angle DAE = 2*20 = 40 
angle CAD = 1.5*20 +20 = 50
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I dropped my sandwich the pool once
kykrilka [37]

Answer:

cool i dropped my little brother in the pool once

Step-by-step explanation:

i sliped and dropped him

5 0
2 years ago
For questions 1 and 2, use factoring to find the x-intercepts of these quadratic equations.
Marysya12 [62]
1.x^2 +6x - 4 = 6x
X^2 + 6x -4 - 6x = 0
X^2 - 4 = 0
By difference of two squares :
X^2 - 4 = 0 can be written as (x-2) (x+2) = 0
(X-2)=0 therefore x= 2

(X+2)=0 therefore x= -2

2. X^2 - 8x = -6x
X^2 -8x + 6x = 0
X^2 - 2x = 0
X(X-2) = 0
X= 0, X= 2
6 0
2 years ago
Solve the following equation
Gnoma [55]
40x+8x^2=0 can be solved for x (there are two solutions):

Divide all 3 terms by the greatest common multiple (which is 8x):

40x+8x^2=0
------------- -----
       8x       8x

5 + x = 0             produces the root x = - 5.   

Setting 8x = 0 and solving for x produces the root x = 0.

Be certain to check these results.  substitute x = -5 into 40x+8x^2=0.  Is the resulting equation true or false?  Next, subs. x=-5 into 40x+8x^2=0.  Is the resulting equation true or false?
5 0
2 years ago
Read 2 more answers
A bag of marbles contsins 6 red, 8 green and 5 blue. what is the probability of picking a green
vekshin1
6+8+5=19
Probability= 8/19=0.42= 42% of picking green.
3 0
3 years ago
What is 25% 136 so I know
tigry1 [53]
It's 34.

You can either intuitively know 25% means one-fourth and divide 136 by 4

Or

Convert the percentage to a decimal and multiply. 136 * 0.25 = 34
8 0
2 years ago
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