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Amiraneli [1.4K]
3 years ago
5

What is the Value of (-0.5) (-7.0)?

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0

the answer is (-0.5) (-7.0)= 3.5

tigry1 [53]3 years ago
3 0

Answer:

3.5

Step-by-step explanation:

Hope this helped! :)

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A rectangle has its vertices at (-4, -3), (-4,7), (1,7), (1, -3). What part, in percent, of the rectangle is located in Quadrant
Rasek [7]

Consider the attached figure. The whole rectangle is ABCD, while AEGF is the part located in the third quadrant. In fact, this quadrant is composed by all the points with both coordinates negative.

To answer the question, let's compute the area of the two rectangles and see what part of ABCD is AEGF.

A and B have the same x coordinate, so the length of AB is given by the absolute difference of their y coordinates:

\overline{AB} = |A_y-B_y| = |-3-7| = |-10| = 10

Similarly, but exchanging the role of x and y, we compute the length of BC:

\overline{BC} = |B_x-C_x| = |-4-1| = |-5| = 5

So, the area of the rectangle is \overline{AB} \cdot \overline{BC} = 10\cdot 5 = 50

The same procedure allows us to compute width and height of the sub-rectangle in the third quadrant:

\overline{AE} = |A_y-E_y| = |-3-0| = |-3| = 3

\overline{EG} = |E_x-G_x| = |-4-0| = |-4| = 4

So, the area of the portion located in the third quadrant is \overline{AE} \cdot \overline{EG} = 3\cdot 4 = 12

This means that the ratio between the two area is

\cfrac{\text{area }AEGF}{\text{area }ABCD} = \cfrac{12}{50}

If we want this ratio to be a percentage, just make sure that the denominator is 100:

\cfrac{12}{50} = \cfrac{12}{50}\cdot \cfrac{2}{2} = \cfrac{24}{100} = 24\%

3 0
3 years ago
Graph y=-2x. give the domain and range. is the function dicrete or continou?
r-ruslan [8.4K]

Answer:

Domain: (−∞,∞),{x|x∈R}

Range: (−∞,∞),{y|y∈R}

Step-by-step explanation:

Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.

Domain: (−∞,∞),{x|x∈R}

Range: (−∞,∞),{y|y∈R}

6 0
2 years ago
Which expression is equal to 4 x 3 x 5?
kupik [55]

Answer:

60

Step-by-step explanation:

Step 1: Write expression

4 × 3 × 5

Step 2: Multiply

12 × 5

60

3 0
3 years ago
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If Sarah had eight apples and she ate two apples how many apples did she eat
MAVERICK [17]
She ate two apples. Six apples would be left if you subtracted 2 from 8.
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Find the missing dimension of a parallelogram a=84.77in b=17.3 in what is the height
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Answer:

Step-by-step explanation:

a

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