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Mama L [17]
2 years ago
6

The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression

is 81.​
Mathematics
1 answer:
julia-pushkina [17]2 years ago
4 0

Answer:

its A becauss i tryed b and th en i tried A so its a

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A hot air balloon climbs, at a 30 degree angle to the ground, to a height of 800 feet. To the nearest tenth of a foot, what grou
Sliva [168]
It would be 300 feet of 3 dergree
6 0
3 years ago
WILL GIVE BRAINLIEST! Four expressions are shown below: A. 4(8x + 2) B. 4(7x + 3) C. 32x + 8 D. 28x + 12 Which two expressions a
kumpel [21]

Answer: A. 4(8x + 2), and C. 32x + 8

Step-by-step explanation:

Put the equations together and if they have infinitely many solutions they'll both be equal to each other.

CORRECT 4(7x + 2 + x)=4(8x + 2)

7x+2+x=8x+2

8x+2=8x+2 (Infinitely Many Solutions)

CORRECT 4(7x + 2 + x)=32x+8

4(8x+2)=32x+8

32x+8=32x+8

32x+8=32x+8 (Infinitely Many Solutions)

INCORRECT 4(7x + 2 + x)=4(7x + 3)

8x+2=7x+3

8x=7x+1

8x−7x=1

x=1

INCORRECT 4(7x + 2 + x)=28x + 12

4(8x+2)=28x+12

32x+8=28x+12

32x=28x+4

32x−28x=4

4x=4

x=1

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)  

- Cutiepatutie ☺❀❤

4 0
3 years ago
Read 2 more answers
How to prove two triangles congruent
dezoksy [38]
There's a lot of theorems SAS, ASA, SSA, AAS, SSS

S=Side
A=Angle

If the order of the sides and angles in one of the above are congruent, then the triangles are congruent.

Hope this helps :D
7 0
3 years ago
Read 2 more answers
Jill collects stamps. Her stamp book has space for 64 stamps. She needs 18 more stamps to fill the book. How many stamps does Ji
d1i1m1o1n [39]

Answer:

46

Step-by-step explanation:

64 spaces. 18 empty

64 - 18 = 46

3 0
3 years ago
Explain how to find the sum −8.46+5.31. a.) Because |−8.46|>|5.31|, subtract |5.31| from |−8.46| and the sign is negative. b.
Amanda [17]

Step-by-step explanation:

Sum of −8.46 and 5.31 means we need to add −8.46+5.31.

We know that,

|-8.46| > |5.31|

It means we subtract 8.46 - 5.31

At hundredth place, 6-1 = 5

At tenths place, 4-3 = 1

At ones place, 8-5 = 3

It would mean that, 8.46 - 5.31 = 3.15

8.46 has a negative sign. It means that the final answer will have negative sign i.e. −8.46+5.31 = -3.15

Hence, the correct option is (a) " Because |−8.46|>|5.31|, subtract |5.31| from |−8.46| and the sign is negative".

5 0
3 years ago
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