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vfiekz [6]
2 years ago
7

Find the percent change from the first value to the second. Tell if it a decrease or

Mathematics
1 answer:
OLga [1]2 years ago
8 0
Answer
Increase by 28
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PLEASE HELP ME DUE SOON ILL MARK AS BRAINLIEST!!<br> Find M∠1 and M∠3 in the kite.
QveST [7]

Answer:

1 = 39 degrees (some theorem, like triangles sharing a bisector or something sorry)

3 = 51 degrees (if 1=39 and 2=90 degrees since its on a right angle, and a triangle's angles add up to 180, then you subtract 1 and 2 from 180 and get 51

7 0
2 years ago
Three times the sum of a number and 5 is 4
galben [10]

i think it is 27 i did 5+4 then i did 9x3 and got 27


4 0
3 years ago
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How do i graph fractions? <br>please help
MissTica
Actually it's 
y = \frac{x+4}{3}

it's a line. so 2 points is enough

choose x so that x+4 would be divisible by 3 :)
1) x = 2, then y = (2+6) / 3 = 2 - sketch point (2,2)
2) x = 5, then y = (5+4) / 3 = 3 - sketch point (5,3)
3) line goes though those points. use ruler :) 
7 0
3 years ago
A circle whose center is the origin passes through the point (-5,12). Which point also lies on this circle?
schepotkina [342]
The answer is B(11, 2sqrt(12) )
proof

the main equation of the circle is   (x-x1)²+(y-y1)²=R²
where C(x1, y1) is the center 
so if the center is the origin, it is O(0,0), and the equation becomes
<span>  (x)²+(y)²=R²
</span>and the circle passes through the point (-5,2) so we can write 
(-5)²+12²=R², it implies R= sqrt(25+144)=sqrt(169)=13

and  for <span>B(11, 2sqrt(12) )     </span>11²+  (2sqrt(12))²= 121 + 48= 169= 13
it is checked.
3 0
3 years ago
A group of middle school students attends a field trip. There were 24 seventh-grade students and 28 eighth-grade students on the
Anastasy [175]

Answer:

6:7

Step-by-step explanation:

A ratio is written as x:y where x and y are numbers in there most simplified form. In the ratio 24:28 both numbers are divisible by four, so divide each side by four and you have your answer.

7 0
3 years ago
Read 2 more answers
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