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bulgar [2K]
3 years ago
10

PLEASE ANSWER ASSP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Vlad [161]3 years ago
5 0
Answer: p=4.1

Step by step explanation:
7(p-9)=-34.3 Divide both sides of the equation by 7

P-9=-4.9 Move the constant to the right hand side and change its sign

P=-4.9+9 Calculate the sum

P=4.1
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The times a fire department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a
Kitty [74]

Answer:

Step-by-step explanation:

Let x be the random variable representing the times a fire department takes to arrive at the scene of an emergency. Since the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 6 minutes

σ = 1 minute

the probability that fire department arrives at the scene in case of an emergency between 4 minutes and 8 minutes is expressed as

P(4 ≤ x ≤ 8)

For x = 4,

z = (4 - 6)/1 = - 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.023

For x = 8

z = (8 - 6)/1 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.98

Therefore,

P(4 ≤ x ≤ 8) = 0.98 - 0.23 = 0.75

The percent of emergencies that the fire department arrive at the scene in between 4 minutes and 8 minutes is

0.75 × 100 = 75%

8 0
3 years ago
Find the value of x please
Alja [10]

Answer:

x=22

Step-by-step explanation:

angle RTS = 5x-40 (isosceles triangle)

angle RTS + angle STU = 180 (straight line)

so 5x-40+5x = 180

10x = 220

x=22

8 0
3 years ago
Maria bought 1-1/4 yard of yellow ribbon then she bought 2-2/5 yards of blue ribbon. How much ribbon did she buy?
kkurt [141]
3 13/20 yards. 
Make 1 1/4 to 1 5/20
make 2 2/5 to 2 8/20
Add them together and get the answer!
3 0
3 years ago
savings should be treated as another type of gross income. net income. tax. expenditure.; an income is measured as all money; co
kirill [66]

The answers of given statements are

a) option (A) i.e Net income.

b) The funds grow faster in case of compund interest.

c) Establish a theory of probable cause is third step

d) Gas and insurance

e) It is the rate for each day that is worked.

f) The production factors are labour, land etc.

g) Three basic questions related to economy are

What will be produced?how will it be produced?

how will the output society produces be distributed?

We have given some statements,

a) Saving should treated as an another type -->

Net income

After all sales-related expenses have been taken out, the remaining earnings are referred to as net income. Savings is the act of holding money for use in the future; it does not include paying for an item or service up front. The saving reffered as net income, or income after all expenses.

b) Compound interest is usually better than simple interest because it pays -->or allows funds to grow at a faster rate than they would in an account with a simple interest rate.

c) Third step in troubleshooting a computer problem is :

Step 3. Establish a theory of probable cause. Eliminate the simple and obvious possible causes.

d) Gas and insurance is expenditure will be the same whether you lease or buy a new vehicle.

e) Hourly pay is the rate for each day that is worked and is often calculated upon the number of hours the labor has been given to the factory.

f)The factors of production are

  • land
  • labor
  • capital, and entrepreneurship.

g) An economic system is any system of allocating scarce resources. Economic systems answer three basic questions:

  • what will be produced?
  • how will it be produced?
  • how will the output society produces be distributed?

To learn more about Gross income , refer:

brainly.com/question/3776791

#SPJ4

6 0
1 year ago
A number line going from negative 3 to 0 in increments of 1. There are 3 equal spaces between each number. Point A is 1 mark to
Wewaii [24]

Answer:

Step-by-step explanation:

Point A

5 0
3 years ago
Read 2 more answers
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