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Flura [38]
3 years ago
13

How many minutes did he spend on homework in all?

Mathematics
1 answer:
KIM [24]3 years ago
7 0
18 minutes because i used proportions to find the answer

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Rx+2x=4r+3<br> Solving for X
malfutka [58]

Answer:

  x = (4r +3)/(r +2)

Step-by-step explanation:

Collect x terms, then divide by the coefficient of x.

  x(r +2) = 4r +3

  x = (4r +3)/(r +2)

6 0
3 years ago
BD bisects /ABC. Find the value of x.​
Anvisha [2.4K]

Answer:

x=8

Step-by-step explanation:

we know that

If BD bisects angle ABC

then

m∠ABD=m∠DBC

substitute the given values

(2x+7)\°=(4x-9)\°

Solve for x

4x-2x=7+9

2x=16

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7 0
3 years ago
How to find the missing angle of a triangle using trig when you only know 1?
Sedbober [7]
If you have

2 KNOWN sides & 1 Angle ;
Use Cosine Rule

If you have 3 KNOWN sides,
Also Cosine Rule

If you have

2 KNOWN angles & 1 side,
Use SINE rule

If it's a right-angled triangle, use SOH CAH TOA

Hopefully this helps





3 0
3 years ago
Renita's school is 2 miles from her house. She plans to leave 30 minutes before school and hopes to make it on time. How long wi
marishachu [46]

Answering is 20:

Step-by-step explanation:

Because it takes her 5 min for a half of mile so add it up and you get 20

8 0
3 years ago
Find the coordinates of point X that lies along the directed line segment from Y(-8, 8) to T(-15, -13) and partitions the segmen
Nezavi [6.7K]

Answer:

X = [-8, 8] + 5/7·([-15, -13] - [-8, 8]) = [-13, -7]


7 0
3 years ago
Read 2 more answers
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