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8_murik_8 [283]
2 years ago
10

What is the area of this quadrilateral? 3 ft 4 ft 3 fty

Mathematics
1 answer:
ipn [44]2 years ago
7 0

Answer:

D

Step-by-step explanation:

12 square feet

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I have to factor this : 7x2+35x-49 <br> im not sure what to do.
Anon25 [30]
7(x^2 +5x-7) 
i think this is how it works
4 0
3 years ago
The perimeter of a rectangular window is 364 cm If the lenth of window is 99 cm , what is its width?
Mumz [18]

width = 83 cm


Perimeter = 2(width) + 2(length)

So if l = 99 cm, and p = 364, then

364 = 2w + 2(99)

364 = 2w + 198

166 = 2w

w = 83 cm

7 0
3 years ago
A right prism has a volume of 65 cubic inches. The prism is enlarged so its height is increased by a factor of 20, but the other
Helga [31]

Answer:

Volume of a right prism = 65 cubic inches

Its height is increased by a factor of 20.

To find:

The new volume of the prism if the other dimensions do not change.

Solution:

The volume of a prism is:

Volume=Bh

Where, B is the base area and h is the height.

A right prism has a volume of 65 cubic inches.

65=Bh

The height of prism is increased by a factor of 20. So, the new volume is:

Volume=B(20h)

Volume=20(Bh)

Volume=20(65)

Volume=1300

The volume of the new prism is 1300 in³.

Therefore, the correct option is B.

8 0
2 years ago
Tatenda takes t seconds to mow a square meter of lawn and Ciara takes c seconds to mow a square meter of lawn. Tatenda mows 700
bagirrra123 [75]

It is given to us that Tatenda takes t seconds to mow a square meter of lawn and Ciara takes c seconds to mow a square meter of lawn.

It is also given to us that Tatenda mows 700 square meters of lawn per week and Ciara mows 750 square meters of lawn per week.

Thus, if Tatenda mows 700 m^{2} in a week, then that means he took 700\times t seconds to complete the mowing.

Likewise, if Ciara mows 750 m^{2} in a week, then that means she took 700\times c seconds to complete the mowing.

7 0
2 years ago
Read 2 more answers
FIND THE NUMBER OF SUBSETS FOR SET
Ira Lisetskai [31]

Answer:

a) 8 subsets

b) 32 subsets

Step-by-step explanation:

The total number of subset of a set is known as the power of the set

Power of a set is expressed as;

P = 2^n

n is the number of element in the set

a) For a set containing 3 elements

n = 3

Power of the set = 2³

Power of the set is 8

This means that the set contains 8 different subsets

b) Cardinality of a set is the total number of element in the set

If the cardinal number of a set is 5, this means that the set contains 5elements

Hence the power of the set will be;

P = 2^5

P = 32

Hence the total number of subset for set whose cardinal number is 5 is 32

4 0
2 years ago
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