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salantis [7]
2 years ago
14

In a class, 60% of the students are girls. There are 18 girls in the class.

Mathematics
2 answers:
Ne4ueva [31]2 years ago
7 0

Answer:

There are 45 students and 18 boys in the class

Katarina [22]2 years ago
5 0

Answer:

a. Total of 45 students.

b. 18 Boys.

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Which statement is correct with respect to f(x) = -3|x − 1| + 12?
Talja [164]

Answer:

The V-shaped graph opens downward, and its vertex lies at (1, 12).

Step-by-step explanation:

  • first, plot the graph of f(x),
  • take some 5 random negative and positive x values and then find corresponding f[x] values.plot  f(x) on y-axis. now, plot these points on the graph and finally join all the points. this gives u the required graph.
  • I have plotted the graph and uploaded it.

refer it.

  • by seeing the graph, we can easily say that,The V-shaped graph opens downward, and its vertex lies at (1, 12).

6 0
2 years ago
If you help will make you brainlest
Bumek [7]

Answer:

see below

Step by step explanation

\because \: revenue = price \times demand \\   \therefore \: r(x) = x.d(x) \\ \therefore \: r(x) =x(200 - 2x)  \\\therefore \: r(x) = \boxed{200x - 2 {x}^{2}  }

5 0
2 years ago
Gianna put $1000 in a savings account for 18 months, The interest on the account is 3.5%. How much will Gianna earn in interest?
zimovet [89]

Answer:

amount of interest = 52.5

amount at the end of the period = 1052.5

Step-by-step explanation:

use the formula for simple interest

PRT/100

P is the principle

R is the rate of interest charged

T is the Time taken

18 months  = 1 years 6 months ( 1.5 years)

1000 * 3.5 * 1.5 = 5250

5250/100 = 52.5

the amount of interest = <u>52.5</u>

the amount she will have at the end of the period

= 1000 +52.5

= <u>1052.5</u>

8 0
2 years ago
A rectangle has a perimeter of 16 feet. What is a possible length and width for the rectangle? A rectangle has a perimeter of 16
matrenka [14]

Answer: width 2.5 length 4

Step-by-step explanation:

4 0
3 years ago
Line n intersects lines 1 and m, forming the angles shown in the
ValentinkaMS [17]
Huh like omg how can y’all understand that like my math teacher don’t teach us that we got easy stuff like we don’t have hard stuff like that is just 2 much
7 0
2 years ago
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