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viktelen [127]
3 years ago
8

Is the given value of the variable a solution of the equation? Write yes or no. The first one is done for you. 1. x  1  5; x 

4 _________________ 2. 13  w  10; w  2 _________________ 3. 2v  12; v  10 _________________ 4. p 7 _________________ 5. 8  w  11; w  3 _________________ 6. 4t  20; t  5 _________________
Mathematics
1 answer:
harkovskaia [24]3 years ago
3 0

Answer:

umm lets seeeee

Step-by-step explanation:

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Why is 20 to 40 is a 100% increase but 40 to 20 is a 50% decrease
murzikaleks [220]
Its because 20 is doubling its self. Its using 100% of its number, While 40 is decreasing by 50%. Half of forty is 20. Half equals 50%.
6 0
3 years ago
Read 2 more answers
Marymount Township secured the construction of a power plant, which opened in 1990. Once the power plant opened
Aleksandr [31]

Answer:

92087,14873

Step-by-step explanation:

Given that Marymount Township secured the construction of a power plant, which opened in 1990. Once the power plant opened  in 1990, the population of Marymount increased by about 20% each year for the first ten years and then increased by  5% each year after that

Let P0 be the population in 1990

Then we have in 2000 the population is

P(2000) = P_0(1.2)^{10}

with this initial population for next growth we have in 2010 the population would be

P(1.05)^{10}, where P = population is 2000

a) Given that P(1.05)^{10) = 150000\\P = 150000(1.05)^{-10} =92.086.99\\=92087

b) we use the exponential equation and solve for initial population in 2000.

c) we have

P_0(1.2)^{10} =92087\\P_0 = 92087((1.2)^{-10})\\=14872.56\\=14873

6 0
3 years ago
Adwoa receive a commission of 20% on bread she sold.in one week,adwoa's commission was 540 ghana cedis how much bread did she se
Simora [160]

Adwoa  sold x amount of bread during that week, where a  is  mathematically given as

x = 2700

This is further explained below.

<h3>What is a commission?</h3>

Generally, a payment made to a representative or employee in exchange for the completion of a transaction or the provision of a service, in particular: a predetermined share of the profits made from the whole sum, which is then distributed to the agent in charge of the company.

i) 20% × x = 540

Therefore

x = 540 × 100/20

x = 2700

In conclusion,  During that particular week, Adwoa had a total sales volume of x, where x is denoted by the mathematical expression 2700.

Read more about a commission

brainly.com/question/20987196

#SPJ4

5 0
1 year ago
In a triangle the base is 4/7 the height and their sum is 110cm. A square is 7/8 of the triangle. Calculate the perimeter of the
Likurg_2 [28]

Perimeter is the continuous line forming the boundary of a closed geometric figure.The formula to find perimeter is (length+width)x2

3 0
2 years ago
Read 2 more answers
What's the answer? Why? How do I solve things like this?
ElenaW [278]
Its C.
Triangle A is straight up and down and then when you rotate it 90 degrees at point C,It becomes point B.
To solve this, you basically just look at what point it is rotated at, then figure out how far it is rotated. 
Hope this helps :)
4 0
3 years ago
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