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Firdavs [7]
2 years ago
11

In the first week of​ July, a record 1,100 people went to the local swimming pool. In the second​ week, 105 fewer people went to

the pool than in the first week. In the third​ week, 145 more people went to the pool than in the second week. In the fourth​ week, 315 fewer people went to the pool than in the third week. What is the percent decrease in the number of people who went to the pool over these four​ weeks?
Mathematics
2 answers:
denis-greek [22]2 years ago
7 0

Answer:

my brain suddenly is dead and has stopped progressing

Step-by-step explanation:

Debora [2.8K]2 years ago
7 0

Answer:

i dont understand

Step-by-step explanation:

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Need answer ASAP please :/
Setler [38]

Step-by-step explanation:

A.

Im going to guess (A.) please tell me if im right and r u doing edgenuty same

7 0
3 years ago
Three numbers are in the ratio 1:3:5 and their sum is 270. find the largest number.
Sphinxa [80]

Answer:

<u>150</u>

Step-by-step explanation:

Let :

⇒ The numbers can be denoted as <u>x</u>, <u>3x</u>, and <u>5x</u>

<u />

=============================================================

Solving :

⇒ It mentions their sum is 270

⇒ x + 3x + 5x = 270

⇒ 9x = 270

⇒ x = 30

=============================================================

Largest number :

⇒ 5x

⇒ 5(30)

⇒ <u>150</u>

8 0
2 years ago
Read 2 more answers
what is this have no clue of how to do it ? ? n+31.53 =62.4 and this one to 9.2+n+8.4=20.8 please help !
mihalych1998 [28]
Ok so to solve to first one u do this:

62.4 - 31.53, which gives u 30.87. and then u add 30.87 and 31.33, and u get 62.4

for the second one u do the same thing.
4 0
3 years ago
Read 2 more answers
What is exponential rate of change
hammer [34]

Answer:

Exponential growth refers to an increase based on a constant multiplicative rate of change over equal increments of time,that is a percent increase of the original amount over time.

8 0
3 years ago
Which of the following is the equation of
Neporo4naja [7]

Answer:

a) Option A is correct.

b) Option C is correct.

Step-by-step explanation:

a) Which of the following is the equation of  the line passing through the points (1, 1)  and (-3,5)?

We will use the equation

(y-y₁)=m(x-x₁)

m= (y₂-y₁)/(x₂-x₁)

m= (5-1)/(-3-1)

m= 4/-4

m= -1

Consider point (1,1) and Putting value of m

(y-y₁)=m(x-x₁)

(y-1)=1(x-1)

y-1=x-1

y=x-1+1

y=x

So, Option A is correct.

b) Which of the following is the equation of a  line with a slope of 0 passing through (2,5)?

The formula used is:

y= mx+b

Finding b:

5=0(2)+b

=> b = 5

So, equation is:

y = mx+b

y=0x+5

y=5

So, Option C is correct.

5 0
3 years ago
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