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cestrela7 [59]
2 years ago
7

Use the figure to find the measures of the numbered angles

Mathematics
1 answer:
tresset_1 [31]2 years ago
3 0
1. 112 degrees
2. 68 degrees
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If Richard can paint their living room in 4 hours, and Vanessa can paint the same living room in 5 hours, then how long will it
Tju [1.3M]

Answer:

2 hrs 13 mins

Step-by-step explanation:

If Richard can paint the living room in 4 hrs, then in 1 hour he can paint 1/4 of the living .

If Vanessa can paint the living room in 5 hours, then in one hour, she can paint 1/5 of the living room.

In one hour Richard and Vanessa can paint 1/4 + 1/5 = 1/y

y is the number of hours it will take both Richard and Vanessa to paint the living room. 1/y is how much of the house they can paint in one hour.

1/4 + 1/5 = 1/y

(5 + 4)/20. ( find the LCM)

9/20 = 1/y

9y= 20

y = 20/9

y = 2.22hrs

y = 2 hrs 13 mins

4 0
3 years ago
Please help me fast, best answer will get brainliest.​
Ipatiy [6.2K]

Answer:

Answer is below

Step-by-step explanation:

The outliers are 20 and 78 because they are not close to the other numbers. They have a great difference between them and the other numbers.

3 0
3 years ago
An equation parallel and perpendicular to 4x+5y=19
mestny [16]

Answer:

An equation parallel to 4x + 5y = 19 would be y = -4/5x +12.

An equation perpendicular to 4x + 5y = 19 would be y = 5/4x + 10.

Step-by-step explanation:

The equation given represents a linear equation in Standard Form (Ax + By = C).  Lines that are parallel to each other go the same direction and don't touch, so their slopes must be the same.  However, lines that are perpendicular go in opposite directions and intersect, so their slopes must be the direct opposite of each other.  In order to find the slope, you must first convert from the Standard Form given to Slope Intercept Form (y = mx +b).  When you solve the given equation for 'y', you get: y = -4/5x + 19, where the slope = -4/5.  To make a parallel equation, simply keep the same slope and choose a different y-intercept ('b').  To make a perpendicular equation, take the direct opposide of your slope 5/4 (positive) and choose a different y-intercept.  

8 0
3 years ago
Which fraction is greater 9/12 or 1/3
ValentinkaMS [17]
We need to first find a common denominator. This means that we need the 12 and the 3 to be the same number. We can change the 1/3 into 4/12 and see that 9/12 is larger than 4/12.
6 0
3 years ago
Read 2 more answers
Mathhh time! No files or jokes pls
cestrela7 [59]

Answer:2.50cm

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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