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TEA [102]
3 years ago
9

2a+b=15.7 what’s the possible values of b

Mathematics
1 answer:
Fiesta28 [93]3 years ago
4 0

Answer:

b = 15.7 -2a

Step-by-step explanation:

You are asking us to solve for b

2a +b = 15.7

Subtract 2a from each side

2a-2a+b = 15.7 -2a

b = 15.7 -2a

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In △ABC, m∠A=57°, m∠B=37°, and a=11. Find c to the nearest tenth.
kykrilka [37]

Answer:

c=13.1\ units

Step-by-step explanation:

step 1

Find the measure of angle C

Remember that the sum of the interior angles of a triangle must be equal to 180 degrees

so

A+B+C=180°

we have

A=57°

B=37°

substitute

57°+37°+C=180°

94°+C=180°

C=180°-94°=86°

step 2

Find the measure of side c

Applying the law of sines

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute

\frac{11}{sin(57\°)}=\frac{c}{sin(86\°)}

c=\frac{11}{sin(57\°)}sin(86\°)

c=13.1\ units

8 0
3 years ago
x-7>27 Sove the inequality and enter your solution as an inequality comparing the variable to a number
pishuonlain [190]

Answer:

x > 34

Step-by-step explanation:

x-7>27

Add 7 to each side

x-7+7 > 27+7

x > 34

8 0
3 years ago
A rocket gets launched straight up into space. What is a possible description
Flauer [41]

Answer:

sorry in a hurry

Step-by-step explanation:

A rocket gets launched straight up into space. What is a possible description

of the rate of change (slope)?

6 0
3 years ago
A rectangular room is 3 3 times as long as it is wide, and its perimeter is 64 64 meters. find the dimension of the room.
lora16 [44]
Perimeter = 2L + 2W    (where L = length and W = width)

And we are given that L = 3W

So substituting for L, we have the equation:-

2(3W) + 2W = 64

6W + 2W = 64

8W = 64 

W = 8  meters

So the length = 3*8  = 24 meters

Answer:- Length = 24 m and Width = 8 m.



4 0
3 years ago
Urgent, please help.
EastWind [94]

Answer:159

Step-by-step explanation:

ur welcome

8 0
2 years ago
Read 2 more answers
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