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DanielleElmas [232]
3 years ago
10

What is the common difference in the following arithmetic sequence ?

Mathematics
1 answer:
Andrej [43]3 years ago
8 0

Answer:

11

Step-by-step explanation:

The common difference of an arith. seq. is the distance between any two adjacent members of the sequence.

The difference (increase) between -1 and 10 is +11.  

as a check, determine whether adding 11 to y = 10 results in 21.  Yes, it does.

The common difference here is 11.

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In the expression 5 × y/7 what value of y would make a product greater than 5?​
ss7ja [257]

Answer:

any value of y >= 8  

Step-by-step explanation:

8 0
2 years ago
Allyson and Adrian have decided to connect their ankles with a bungie cord; one end is tied to each person's ankle. The cord is
BARSIC [14]

Answer: 5.5 seconds

Step-by-step explanation:

30=5/4 ×(-20) + 10t

30 =-25 +10t

10t=55

t=5.5seconds

The cord will first touch the corner of the building after 5.5secs

3 0
3 years ago
The correct expression for a number which is 9 times as big as the number obtained after p has been increased
defon

Answer:

9(p + 4)

Step-by-step explanation:

One of the unknown variable is p.

First of all, we know that the number is 9 times as big (multiplication) as the new number obtained through the addition of four to p i.e (p + 4).

Translating the word problem into an algebraic expression, we have;

9 * (p + 4) = 9(p + 4)

Simplifying further, we have;

9p + 36

4 0
3 years ago
Why should people be knowledgeable about equations and inequalities?
BartSMP [9]

Answer:

People should be knowledgeable about equations and inequalities because they are often used to solve day to day life problems.

Often times real life problems are modeled using equations and inequalities

Step-by-step explanation:

Inequalities are used often in real life, businesses use inequalities to control inventory, plan production lines, produce pricing models, and for shipping/warehousing goods and materials. Inequalities are used in engineering and production quality assurance.

An equation is the mathematical representation of those two things which are equal, one on each side of an 'equals' sign. Equations are useful to solve our daily life problem.

4 0
3 years ago
In order to determine the height of the flagpole in the school yard, Cindy is going to use similar triangles. The
kvv77 [185]

The height of the pole is 12.5 feet.

<h3>What is Unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Cindy's shadow is 5 feet.

length of the shadow of the pole at the same time, she finds it to be 12.5 feet.

So,

12.5/5=x/5,

62.5=5x

x= 12.5 feet.

Hence, the height of the pole is 12.5 feet.

Learn more about this Unitary method here:

brainly.com/question/22056199

#SPJ1

4 0
1 year ago
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