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valentinak56 [21]
2 years ago
9

Calculate the missing angle, given: angle B = 28 degrees angle C = 42 degrees

Mathematics
1 answer:
Alexxx [7]2 years ago
6 0

Answer:  110

Explanation:

I'm assuming this is for a triangle. The three interior angles always add to 180.

A+B+C = 180

A+28+42 = 180

A+70 = 180

A = 180-70

A = 110

The missing angle is 110 degrees

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Morgan writes the expression
DerKrebs [107]
He didn’t follow PEMDAS which is the an acronym for the order of operations. according to pemdas the first step is parenthesis (which is the p in pemdas) there fore the first step is to add the 1 and the 2
then since there are no exponents you multiply so you multiple 5(3) which is 15
then you can add all the number left to right
so 15+2+3= 20
so the answer is 20
hope this helped
let me know if you have any questions
5 0
3 years ago
Which do the following equations represent? -4x-5y=-4 and 10x-8y=-1
kicyunya [14]
Parallel have same slope
Perpendicular have opposite reciprocal slopes. Ex. 2/3 is slope of one line so the perpendicular line would have slope of -3/2.

Find slopes of these lines.

-4x-5y=-4
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Divide by 5

Y= -4x/5 +4/5

Second line: 10x-8y=-1

10x+1=8y
Divide by 8

10x/8 +1/8 =y

Y= 5x/4 +1/8

So if you look at slope of line 1= -4/5 and line 2 it’s 5/4 so these both are perpendicular.
5 0
3 years ago
A car traveled at a constant speed for 4 hours and covered 144.6 miles. It used 12 gallons of gas to travel this distance. How f
FromTheMoon [43]
In one hour he traced the distance of: 36.15 miles

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8 0
3 years ago
Read 2 more answers
This is 6th grade math please help me!! ​
Lyrx [107]
Answer:9
10-|-1|
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4 0
3 years ago
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ANYONE IM RUNNING OUT OF TIME!!!!!
adelina 88 [10]

Answer:

Y= -5/2x+3

Step-by-step explanation:

A perpendicular slope is always opposite (meaning if the original is negative, then it is positive and vice versa) and reciprocal (meaning the numerator and denominator of the original are flipped).

The y intercept I found by applying the slope to the point given.

8 0
2 years ago
Read 2 more answers
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