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
shusha [124]
3 years ago
7

What is the sum of the series? ​ 5∑i=1 4i ​

Mathematics
1 answer:
Svetlanka [38]3 years ago
6 0

Answer:

60

Step-by-step explanation:

∑[i=1,5] 4i = 4·1 + 4·2 + 4·3 + 4·4 + 4·5

= 4 + 8 + 12 + 16 + 20

= 60

You might be interested in
A card is drawn from a standard deck of playing cards. what is the probability that the card is either a 9 or a 10? (express you
snow_lady [41]
There are 52 cards in a standard deck, and 4 suits. There is one 9 per suit, so 4 cards, plus one 10 per suit, so 8 cards. 8 cards divided by 52 cards in a deck is 0.15384615 or 0.154. 
7 0
3 years ago
Can someone answer this fast!!!
Otrada [13]

Answer:

=6\sqrt{3}

Step-by-step explanation:

This triangle is the same as a right triangle rotated around.

Pythagorean Theorem applies to this (because it's a right triangle)

a^{2} +b^{2} =c^{2}

36+b^{2} =144

144-36=108\\b^{2} = 108\\\sqrt{108} = 10.39\\ = \sqrt{b^{2} } \\b=10.39

x=10.39

4 0
4 years ago
In ΔXYZ, the measure of ∠Z=90°, YX = 37, ZY = 12, and XZ = 35. What ratio represents the sine of ∠X?
m_a_m_a [10]

Answer:

Step-by-step explanation:

7 0
3 years ago
Help me with this problem please!!!! :)​
kifflom [539]

Answer:

this should do it

4 0
3 years ago
F(x) = 3x3 - 5x2 +6x -12
arlik [135]

Answer:

1.79438504

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Central Subs made 27 sandwiches using 12 pound of turkey. How much turkey was used per sandwich
    13·1 answer
  • When are fractions useful and when are ratios useful?
    8·2 answers
  • Help Asap will give brainliest if you start answering by 21 minutes
    8·1 answer
  • Bonnie volunteers to bring bags of candy to her child's class for the Halloween party. She buys a bag containing 240, a bag cont
    14·1 answer
  • Evaluate i am being times
    11·1 answer
  • HELPPP how do i write an exponential function?!
    15·1 answer
  • WILL MARK BRAINLIEST
    9·1 answer
  • Sasha is collecting cans to recycle. When she collected 180 cans she knew she had reached 60% of her goal
    6·1 answer
  • Evaluate:10-(6-4)^2divided by 2HURRY PLEASE!
    8·1 answer
  • Please help with this question.
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!