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Talja [164]
2 years ago
11

Which three lengths could be the lengths of the sides of a triangle?

Mathematics
1 answer:
Montano1993 [528]2 years ago
5 0
C. 7 cm by 7 cm by 43 cm
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The point (-3,-1) is the midpoint of (x,y) and (5,4). Find the point (x,y).
nirvana33 [79]

Answer:

(-11, -6)

Step-by-step explanation:

Find the distance between the midpoint, (-3, -1) and (5, 4). This can be calculated by finding the difference between the x coordinates and y coordinates.

-3 - 5 = -8 (distance between x coordinates)

-1 - 4 = -5 (distance between y coordinates)

Find the point (x, y) by subtracting 8 from the midpoint's x value, and then subtracting 5 from the midpoint's y value.

-3 - 8 = -11

-1 - 5 = -6

So, the point (x, y) is (-11, -6)

4 0
2 years ago
Which are not the dimensions
Paul [167]
It would be B. 5cm 12cm and 13cm
4 0
2 years ago
Plz help!!! 10 pts..
Inga [223]

Answer:

63 boquets were sold in the afternoon.

Step-by-step explanation:

Divide 90 by 10 to get 9. Then multiply 9 by 3.

Answer:

23.1 pounds.

Step-by-step explanation:

Multiply 140 by 0.165.

6 0
2 years ago
The length and width of a rectangle are shown below.
natulia [17]

Answer:

-2x² + 90x + 500

Step-by-step explanation:

Use FOIL method

Area of rectangle = length * width

                             = (50 - x)(2x + 10)

                             = 50*(2x) + 50*10 + (-x)*2x + (-x)*10

                             = 100x + 500 - 2x² - 10x

                             = -2x² + 10<u>0x - 10x </u>+ 500  {Combine like terms}

                            = -2x² + 90x + 500

7 0
2 years ago
The average time it takes to travel from home to school is 22 ½ minutes. Depending upon weather and morning traffic, the actual
Art [367]

Answer:

17 \le t \le 28

Step-by-step explanation:

Given

t = 22\frac{1}{2} --- average time

\triangle t = 5\frac{1}{2} --- the variation

Required

The inequality to represent the scenario

To do this, we simply add and subtract the variation from the average time.

i.e.

t \± \triangle t

So, the inequality is:

22\frac{1}{2} - 5\frac{1}{2} \le t \le 22\frac{1}{2} + 5\frac{1}{2}

Solve:

17 \le t \le 28

3 0
2 years ago
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