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
Lapatulllka [165]
3 years ago
5

Help me on this please

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

20cm^2

Step-by-step explanation:

0.5x(7+3)x4=20cm^2

You might be interested in
Identify an equation in point-slope form for the line perpendicular to
erik [133]

Answer:

A. y - 7 = -4(x + 2)

Step-by-step explanation:

Insert the coordinates into the formula with their CORRECT signs. Remember, in the Point-Slope Formula, <em>y - y₁ = m(x - x₁)</em><em>,</em><em> </em>all the negative symbols give the OPPOSITE term of what they really are. In addition, I recall that perpendicular lines have OPPOSITE <em>MULTIPLICATIVE INVERSE </em>[<em>RECIPROCAL</em>] <em>rate of changes</em> [<em>slopes</em>], so -4 really should be replaced with ¼, but if your assignment says otherwise, then this is the answer.

6 0
2 years ago
PLEASE HELP IM SO CONFUSED BY THIS
Yanka [14]
In a triangle, the three interior angles always add to 180°

m∠B = 180 - 30 - 80 = 70°

<span>D: 70</span>
4 0
3 years ago
In example 4, the volume of the beach ball is 17,000 cubic inches. Find the radius to the nearest inch. Use 3.14 for pi
blagie [28]

Volume of a sphere formula is: V=4 /3 πr^3

You know v=17000 and pi=3.14

17 000 = 4/3 x 3.14 x r^3

(divide 17 000 by 4/3 x 3.14 ) --> r^3 = 4060.51 (2dp)

(cube root is to get just r) r = 15.95 inches (2dp)

There 15 inches to the nearest inch.

Hope this is correct! :D


7 0
3 years ago
Round 17 5/8 to the nearest whole number
Greeley [361]
18 is the nearest whole number
7 0
3 years ago
Read 2 more answers
While riding her bike to the ocean and back home 5 times, Kimberly timed herself at 53min, 48min, 56min, 54min, and 45min. She h
alex41 [277]

Answer:

Kim will need to spend 67 minutes on her sixth ride

Step-by-step explanation:

Represent the number of minutes of her sixth ride by m.

Then the average number of minutes is

53 + 43 + 56 + 54 + 45 + m

---------------------------------------- = 53

                      6

Multiplying both sides of this equation by 6 yields

6(53 + 43 + 56 + 54 + 45 + m)

--------------------------------------------- = 6(53)

                        6

which simplifies to

 251 + m

---------------- = 318

         

or  251 + m = 318.  Subtract 251 from both sides to obtain the value of m:

m  = 318 - 251 = 67

Kim will need to spend 67 minutes on her sixth ride to attain an average ride length of  53 minutes.i

4 0
2 years ago
Other questions:
  • I need help ASAP with these 2
    5·1 answer
  • J.R. tosses a coin 100 times, resulting in it landing on heads 40 times and tails 60 times. Based on his result, what is the exp
    6·2 answers
  • 927 is divisible by 3 and 9. (1 point)<br> true<br> false
    7·2 answers
  • What is 5.27 in Tenths place
    6·2 answers
  • The interest on an investment varies directly as the rate of interest. If the interest is ​$43 when the interest rate is 5​%, fi
    12·1 answer
  • pls help meh.. Which of the following statements best describes the effect of replacing the graph of y = f(x) with the graph of
    11·1 answer
  • Emma earns a $39,000 salary in the first year of her career. Each year, she gets a 5% raise. How much does Emma earn in total in
    11·2 answers
  • Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows
    15·1 answer
  • Enter your answer
    9·1 answer
  • 80 years converted to sec
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!