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
Simora [160]
3 years ago
13

Class 8 squares and square roots without adding find the sum of a) 1+3+5+7+9+11+13+15+17.

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Answer:

given

n=9

a=1

d=3-1=2

Step-by-step explanation:

now , by formula,

sn = n/2(2a+(n-1)d)

= 9/2(2×1+(9-1)×2)

=9/2×18

=81

You might be interested in
SOMEONE HELP ME FIND THE Y PLEASE ASAP
Evgesh-ka [11]

Answer:

(Down Below)

Step-by-step explanation:

Plug in the value of x in the left column for all the values in the equation. I will do a couple for you.

Since -4 is the value of x, substitute it into the equation for x.

y= -4-5=-9

-1

y=-1-5=-6

0

y=0-5=-5

You can do the rest. You got this! Comment if you need more help!

3 0
3 years ago
Read 2 more answers
Estimate the answer for 1 2/3 x 5 1/10 (type a whole number​
Westkost [7]

Answer:

Exact Form:

17/2

Decimal Form:

8.5

Mixed Number Form:

8 1/2

6 0
3 years ago
What is 60- 0.3 answer?
balu736 [363]
Your answer will be 59.7
3 0
3 years ago
Read 2 more answers
Student incorrectly claims that 2/3÷5/9 = 5/6 find the correct quotient what was the students error
olga_2 [115]

Answer:

6/5

Step-by-step explanation:

2/3 ÷ 5/9

2/3 × 9/5 ( while changing division to multiple, numerator and denominator changes

2 × 3/5 ( 9/3 =3

Ans =6/5

6 0
3 years ago
How to renamed fractions
Nutka1998 [239]
The answer to this is

<span>Mixed Numbers to Fractions uses circle models to demonstrate how a number in mixed form can be renamed in fraction form. The illustration below was made by Mixed to Fraction with Circles Designer. It shows the mixed number 2 2/5. You are to write 2 2/5 in fraction form, with only a numerator and denominator.</span>

It is quite simple really
Hope It Helps
6 0
3 years ago
Other questions:
  • Use the formula C = 2πr and π= 3.14 to find the circumference of a circle with a radius of 5 meters.
    11·1 answer
  • What is 805,863 rounded to the nearest hundred thousand?
    9·1 answer
  • After he completed his graduate work, he became a professor at
    9·1 answer
  • Show whether the values x=4 and y =5 make inequality 7x-3y&lt;19
    7·1 answer
  • (4x2 + 2x + 1) + (3x + 4x + 1
    5·1 answer
  • Tom and David get their haircut at the barber shop on Saturdays.Tom gets his hair cut every 3 weeks. David gets his hair cut eve
    10·1 answer
  • 1. (04.06A) What is the slope of the line shown in the graph? (4 points) −1 −2 - 1/2 2
    15·1 answer
  • Solve by factoring.<br> f(x) = x^2 + 7x + 12
    10·1 answer
  • The temperature in Vancouver was -6c• in Austin the temperature was 10c
    9·1 answer
  • Translate this sentence into an equation.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!