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Mariulka [41]
3 years ago
10

How do I convert 140 degrees into a radian?

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0
2.44346 is the answer

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3This triangle is being rotated. The square where the three triangles meet is called the:
allsm [11]

Answer:

Vertex (if it is a right triangle).

Step-by-step explanation:

8 0
3 years ago
Help, answer one that hasn’t been answered
SVEN [57.7K]

4x + 2x = < y

This is because the opposite sides (which is 4x and 2x) of a triangle add up to the exterior angle (<y).

We have to find X.

As you know:

3x + 4x + 2x = 180

because the angles of a triangle add up to 180.

When we add them:

9x = 180

x =  \frac{180}{9}

The 9 is multiplying with the X. We want X only and not 9 with it. So, when we take 9 to the other side, it becomes divide. As a result, the answer to x is:-

x = 20

Substitute value of x into 4x and 2x to find the exterior angle:-

4x:

4(20) = 80

2x:

2(20) = 40

When we add them we get the answer for angle Y:-

80 + 40 = 120

Therefore, we can conclude that:

< y = 120 \: degrees

8 0
3 years ago
Can you please help me i need all the help i can get
arlik [135]

Answer:

175

the error in the diagram is that it implies Elena read 1/5 of the book, not Andre

Step-by-step explanation:

x= total number of pages

A = 1/5*x

E = A+20 = 1/5*x+20

1/5*x + 20 = 55

1/5*x = 35

x = 35*5 = 175

8 0
3 years ago
HELP ME WITH 22 PLEASE I WOULD APPRECIATE IT!!!
Olegator [25]
A) in 4 hours he can go 4*2 = 8 miles 

and circular area = pie * R^2 = 3.14 * 8 * 8 =200.96 = 201 square miles

in 5 hours , area = pie* 10*10 = 3.14 * 100 = 314 sq mile.

additional area = 314 -201 = 113

hope it helped
7 0
3 years ago
A radioactive isotope has a half life of 4.51 days. If 12.63 grams are now present, how much will be left after 15
Marizza181 [45]

Answer:

Step-by-step explanation:

f=ir^t\\ \\ \frac{1}{2}=r^{4.51}\\ \\ ln(0.5)=4.51lnr\\ \\ r=e^{\frac{ln0.5}{4.51}}\\ \\ r\approx 0.8575\\ \\ f(15)=12.63(0.8575^{15}\\ \\ f(15)\approx 1.26g

7 0
3 years ago
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