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Jet001 [13]
3 years ago
6

What is the measure of the angle DBA in the diagram below(exterior angle)

Mathematics
1 answer:
kotegsom [21]3 years ago
7 0
The answer is 120 degrees.
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Can someone please give me the (Answers) to this? ... please ...<br><br> I need help….
lesya692 [45]

Answer:

above is the answer to the question, second picture for clear view

8 0
2 years ago
Solve the following Simultaneous equation<br>Using any suitable method<br> x+6y=2, 3x +2y =10​
uranmaximum [27]

Answer:

x = 0.5

y = -1/4 or -0.25

Step-by-step explanation:

x + 6y = 2

3x + 2y = 10

Multiply a number by any of the equations to get numbers of the same variable

3x + 18y = 6

3x + 2y = 10

3x - 3x = 0

NB: subtract evenly if u subtract down from top make sure u subtract down from top throughout

16y = -4

16y/16 = -4/16

y = -1/4 or -0.25

to find the x value, any where you see y u put in the y value(-0.25)

So u'll pick just one of the equations above

x + 6(0.25) = 2

x + 1.5 = 2

x = 1.5 + 2

x = 0.5

5 0
3 years ago
What algebraic expression must be added to the sum of 3x2 +4x+8 and 2x2−6x+3 to give 9x2−2x−5 as the result?
vesna_86 [32]

Answer:

4x^2-16

Step-by-step explanation:

-This is an addition/subtraction problem.

#We subtract the sum of the first two expression from the third expression:

\#Add \ first \ two\\\\=3x^2 +4x+8 +2x^2-6x+3\\\\=5x^2-2x+11\\\\\# Subtract\ from \ the \ third\\=(9x^2-2x-5)-(5x^2-2x+11)\\\\=9x^2-2x-5-5x^2+2x-11\\\\=4x^2-16

Hence, the expression 4x^2-16 must be added to the first two.

7 0
3 years ago
Value of 4 in 44,000
Nat2105 [25]
The value of 4 in 44,000 would be 11,000.
5 0
3 years ago
Suppose we calculate a 95% confidence interval for the population mean to be (6.93, 11.45). how do we interpret this?
avanturin [10]
I believe that it deals with standard deviations you need to look at a graph of the standard deviation. 

6 0
3 years ago
Read 2 more answers
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