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sergey [27]
3 years ago
14

Find the sum of the first 7 terms of the following series, to the nearest integer. 29, 174,1044,...

Mathematics
1 answer:
Alborosie3 years ago
5 0

Answer:

1623623

Step-by-step explanation:

i just got this question on deltamath lol

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I did the first one I need help on this that’s all
Alenkasestr [34]

Answer:

m<A = 70 deg

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 deg. Add the three measures and set equal to 180. Solve for x. then use the value of x and the expression for m<A to find the measure of angle A.

m<A + m<B + m<C = 180

5x - 25 + 2x + 10 + 3x + 5 = 180

10x - 10 = 180

10x = 190

x = 19

m<A = 5x - 25 = 5(19) - 25 = 95 - 25 = 70

Answer: m<A = 70 deg

6 0
3 years ago
Read 2 more answers
After the drama club sold 100 tickets to a show, it had $300 in profit. After the next show, it had sold a total of 200 tickets
Alinara [238K]

Answer:


Option a :  y-300 = 4(x - 100)


Step-by-step explanation:

Given :

The drama club sold 100 tickets to a show, it had $300 in profit.

The next show, it had sold a total of 200 tickets and had a total of $700 profit.

To Find :  Equation models the total profit, y, based on the number of tickets sold, x

Solution :

For 100 tickets he had $300 in profit .


⇒ (x_{1} ,y_{1})=(100,300)


For 200 tickets he had $700 in profit .


⇒ (x_{2} ,y_{2})=(200,700)


We will use point slope form i.e.


y-y_{1} = m(x - x_{1}) --(A)


Now, to calculate m we will use slope formula :


m = \frac{y_{2} -y_{1} }{x_{2}-x_{1}  }


m = \frac{700 -300}{200-100}


m =4


Now, putting values in (A)


y-300 = 4(x - 100)


Thus Option a is correct i.e. y-300 = 4(x - 100)




5 0
3 years ago
Read 2 more answers
Ronald is trying to reconstruct his spending pattern from May. He knows that he had $315 in his account on May 1, but after that
Valentin [98]

Answer: C. Ronaldo overviewed his account twice.

Step-by-step explanation:

Just took a test on edge.

7 0
3 years ago
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What is the equation of this line?
Juli2301 [7.4K]

Answer:

Not sure but i think its C. y=-2x-3


8 0
3 years ago
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Show that (a+b)^2=4p^2​
Alja [10]

LHS :-

  • ( a + b)²
  • (P + q + P - q)²
  • (2p)²
  • 2²p²
  • 4p² = RHS
8 0
2 years ago
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