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Vikentia [17]
2 years ago
10

What is the result when the number 12 is decreased by 75%?

Mathematics
1 answer:
zalisa [80]2 years ago
3 0

Answer:

5 is the Answer

Step-by-step explanation:

If 20 is decreased by 75%, you would have to do 20×0.25 because 1.00-0.75= 0.25. Therefore, the answer to your question would be 5.

Hope this was helpful!!!

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PLEASE HELP IM STRUGGLING here is a rectangle all the measurements are in centimeters
scoundrel [369]

Answer:

Area of the rectangle = 95 cm²

Step-by-step explanation:

Perimeter of the rectangle = Sum of the measures of the sides of the rectangle

From the figure attached,

Perimeter of the rectangle = 2[(3x -1) + (2x + 3)]

                                       39 = 2(5x + 2)

                                       39 = 10x + 4

                                      10x = 39 - 4

                                      10x = 35

                                          x = 3.5

Therefore, measure of the given sides will be,

Length = (3x - 1) cm

3x - 1 = (3×3.5) - 1

        = 10.5 - 1

        = 9.5 cm

Width = (2x + 3) cm

2x + 3 = (2×3.5) + 3

          = 7 + 3

          = 10 cm

Area of the rectangle = Length × width

                                   = 9.5 × 10

                                   = 95 cm²

Therefore, area of the rectangle is 95 cm².

5 0
2 years ago
True or False: Similar figures have corresponding sides that are congruent.
Mashutka [201]

Answer:

True

Step-by-step explanation:

7 0
3 years ago
Does anyone have an answer to this question?
grigory [225]

Answer:

8.9 cm to 1 dec. place.

Step-by-step explanation:

First, use Pythagoras to find the length of BD.

BD^2 = 6^2 + 7^2 = 85

BD = √85.

BM = √85 / 2.

Consider the triangle TBM, by Pythagoras:

TB^2 = BM^2 + MT^2

MT^2 = 10^2 - (√85 / 2  )^2

= 100 - 21.25

= 78.75.

MT = 8.874

5 0
2 years ago
What is the area of this figure?
ale4655 [162]

Answer:

A = 102 cm^2

Step-by-step explanation:

This figure is a trapezoid.  The area is given by

A = 1/2 (b1+b2) *h  where b1 is the base and b2 is the top

b1 = 21   b2 = (6+7)  and h = 6

A = 1/2 (21+13) *6

A = 1/2 (34)*6

A = 102 cm^2

7 0
3 years ago
Question 1 Hannan wants to estimate the number
Mama L [17]

Answer:

2000 eels

Step-by-step explanation:

Let us represent the total estimate of the eels = x

She returns the 50 eels to the lake.

The next day Hannah catches 400 eels, of these 400 eels, 10 are ringed.

To solve the above question, we have the following:

50/x = 10/400

Cross Multiply

10x = 50 × 400

x = 50 × 400/10

x = 2000 eels

Therefore, the total estimate of the eels in the lake = 2000 eels

4 0
3 years ago
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