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Tasya [4]
4 years ago
8

What’s the correct answer for this question?

Mathematics
1 answer:
Helen [10]4 years ago
3 0

Answer:

( -1 , 1 )

Step-by-step explanation:

(x1,y1) = (5,9)

(x2,y2) = (-7,-7)

=(-7+5/2 , -7+9/2)

= (-1,1)

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20x 10 <= (less then or equal to) 90
Mamont248 [21]

Answer:

x(less than or equal to)5

Step-by-step explanation:

add 10 to both sides

20x-10(less than or equal to) 90

       +10                                  +10

20x (less than or equal to) 100

divide by 20 to isolate the variable

20x(less than or equal to) 100

/20                                       /20

x (less than or equal to) 5

5 0
3 years ago
The length of the sides of a triangle are 2x +y/2, 5x/3+y + ½ and 2/3x +2y +5/2. If the triangle is equilateral, find its perime
Sav [38]

Answer:

Step-by-step explanation:

If the triangle is equilateral :

2x +y/2 =  5x/3+y + ½  = 2/3x +2y +5/2

so the perimeter is : P = 3(2x +y/2) or 3(5x/3+y + ½) or 3(2/3x +2y +5/2)

the simplest is :  P = 3(2x +y/2)

                            P = 6x + (3y)/2

6 0
3 years ago
What is the circumference of a circle with a diameter of 57 centimeters
ss7ja [257]
C = 2πr  or  C = πd

Diameter d = 57 cm

C = πd

C = π*57 = 57π

C ≈ 57 * 3.14159 = 179.07063

Exact circumference is  57π  cm  or

≈ 179.07 cm.
6 0
3 years ago
2. The two equations y = (x + 2)(x + 3) and y = x? + 5x + 6 are equivalent.
Nady [450]

Answer:

it b

Step-by-step explanation:

3 0
3 years ago
Mikayla designed a survey to determine the number of people expected at opening night of a community theater. The community has
ioda

The sample is based on the first 25 parents dropping off actors during theater rehearsal hence the sampling method is non random and biased.

A non random sample refers to a sampling method that is not based on chance alone. A biased sampling is one in which some members of the population are more likely to be selected thereby excluding the others.

Since the sample is based on the first 25 parents dropping off actors during theater rehearsal, the sampling method is  non random and biased.

Learn more: brainly.com/question/24842573

5 0
3 years ago
Read 2 more answers
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