1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
uranmaximum [27]
3 years ago
12

Round to the nearest tenth if necessary

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:

Step-by-step explanation:

a=30

b= 17

c= 18

we actually already found angles B and C for the last problem I think we said 30 and 32 so we would be able to guess that angle A is about 118° but.. let's do the math... and see

angle A = arcCos[ b^2 + c^2 - a^2 / 2*b* c ]

A = arcCos[ 289 +324 - 900 / 2*17*18]

A = arcCos[ -287 / 612 ]

A = arcCos[ -0.468954 ]

A = 117.9664 °

ohh and we're off by 0.0336   phooy  :P soo far off... :P

rounding to nearest 10th

A = 118.0 °  ( ohh right on the money  :P)  yay, I feel better.  :P

You might be interested in
I need to know the slope of the line
Andru [333]
The slope formula is y1-y2/x1-x2. So you plug in the points. I will be using points B and C. 3-2/4-2=1/2 The slope of the line is 1/2. Hope this helped. Please click the thanks button if this helped you. If you have any questions please ask.
8 0
4 years ago
Solve x+6(x-1)=7(3+x)
Lina20 [59]

Let's solve your equation step-by-step.

x+6(x−1)=7(3+x)

Step 1: Simplify both sides of the equation.

x+6(x−1)=7(3+x)

x+(6)(x)+(6)(−1)=(7)(3)+(7)(x)(Distribute)

x+6x+−6=21+7x

(x+6x)+(−6)=7x+21(Combine Like Terms)

7x+−6=7x+21

7x−6=7x+21

Step 2: Subtract 7x from both sides.

7x−6−7x=7x+21−7x

−6=21

Step 3: Add 6 to both sides.

−6+6=21+6

0=27

5 0
3 years ago
Consider the transformation shown.
Ira Lisetskai [31]

nonrigid

segment lengths are not

4 0
3 years ago
Read 2 more answers
On a math test, Jessica answered 20% questions incorrectly. She answered 16 questions correctly. How many total questions did sh
Tanzania [10]
The answer to the question is 36
8 0
3 years ago
Read 2 more answers
Math help please :3
Anettt [7]
-6-3/-2-2
-9/-4
9/4 is the slope
5 0
3 years ago
Read 2 more answers
Other questions:
  • the height of a triangular truss is 8ft less than the base. the amount of drywall needed to cover the triangular area is 86ft^2.
    14·1 answer
  • I need to solve and show work for 3x over4 divided by 5-1 over 8
    12·2 answers
  • The city of Venice, Italy, is slowly sinking, due to the unstable foundation on which it is built. The city loses about 0.078 in
    5·1 answer
  • Which has the greatest rate of change?
    10·2 answers
  • 3x+7=20 pls help ty :)
    12·1 answer
  • 3(4-2x)=5-3(1-5x)<br><br> Can someone please help me with this problem and explain the steps please.
    14·1 answer
  • Learning
    5·1 answer
  • A race car driver is doing a time trial of a new car on a straight track. The car's distance from the timekeeper is represented
    13·1 answer
  • A small book publisher knows that 20 books weigh 37 lbs. How much do 34 books weigh
    11·2 answers
  • Senna was having a party for 15 friends. She bought 3 jars of
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!