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nignag [31]
2 years ago
7

there are 30 students in the classand 24 of these students pass their english test.what percentage of these students pass their

test
Mathematics
1 answer:
GaryK [48]2 years ago
5 0

Step-by-step explanation:

Total students-30

No.of students pass their English test-24

24/30 X 100=80%

So,80%students pass their test

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5. (-4, 6), m = 8<br> 8. (3,3), m=4/3
pogonyaev

Answer:

what am i looking for?

Step-by-step explanation:

4 0
2 years ago
The population of a pack of wolves is 88. The population is expected to grow at a rate of 2.5% each year.
Dennis_Churaev [7]

Answer:

Option B is correct.

f(t) = 88(1.025)^t represents the population of the pack of wolves after t years

Step-by-step explanation:

The exponential growth function is given by;

f(t) = a(1+r)^t               ......[1]

where

a represented the initial value

r represents the rate(in decimal)

t represents the time in years

As per the given statement: The population of a pack of wolves is 88. Also, the population is expected to grow at a rate of 2.5% each year.

⇒ a = 88 and  r =2.5% = 0.025.

Substituting these values in equation [1], we have;

f(t) = 88(1+0.025)^t

or

f(t) = 88(1.025)^t

Therefore, the population model of the pack of wolves after t years is given by:  f(t) = 88(1.025)^t





5 0
2 years ago
80% of n is 32 what is the value of n​
Korvikt [17]

Answer:

n=40

Step-by-step explanation:

divide 32 by 80

32/80=0.4

0.4x100=40

n=40

3 0
2 years ago
the cheerleaders are making a rectangular banner for a football game. the length of the banner is 30 ft long. the cheerleaders c
alex41 [277]
GIVEN:
total length of the banner = 30 ft.
perimeter of the banner = 96 ft.
total width of the rectangle = ?
Let,
the perimeter be "p"
the length be "L"
the width be "w"
We know,
Perimeter (P) of a rectangle = 2 (L + w) 
Substituting the values of P, L and w , we get,
                                      96  = 2 (30 + w)  
                                  96 / 2 = 30 + w
                                       48 = 30 + w
                                48 - 30 = w
                                       18 = w

So, the width of the rectangular banner is 18 ft.
4 0
3 years ago
The school athletic director has a storage closet that 4 1/2 feet long, 2 2/3 feet deep, and 6 feet tall. a. She wants to put a
BabaBlast [244]

Answer and Explanation:

The closet is 4 1/2 feet long, 2 2/3 feet deep, and 6 feet tall

Since we are not given width of the closet, we assume the base of the closet has equal width and length = 4 1/2 feet(closet base is a square)

Closet is 2 2/3 feet deep and 6 feet tall, therefore closet height internal = 8 2/3 feet

a. How much carpeting will she need?

The carpeting needed for the closet = area of base of the closet(square base)= 4 1/2* 4 1/2 = 4.5*4.5= 20.25 square feet

b. The athletic director wants to store cube boxers that are 1/2 foot wide. How many boxers will the storage hold?

Area of base = 20.25

Area of base of each cube on the floor = 0.5*0.5= 0.25

So we know that the base of the closet will hold

20.25/0.25= 81 boxer cubes

Or we could straight to the point

Find volume of the closet( the closet is clearly a cuboid) and divide by the volume of one cube to find number of cubes that will fit into the closet

Volume of the closet/cuboid = l*w*h =4.5*4.5*8.67/0.25

=702.27

Therefore number of boxer cubes to fit in closet= 702

8 0
2 years ago
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