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dybincka [34]
3 years ago
11

What is the domain of the graph? A) 2 < x < 5 B) 2 ≤ x ≤ 5 C) 3 < y < 5 D) 3 ≤ y ≤ 5

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

Answer:

A rectangle of dimension 2*3.

Step-by-step explanation:

Draw two lines y=3 and y=5.

Draw two lines x=2 and x=5.

There intersection is rectangle with vertices (2,3), (2,5), (5,3), (5,5)

Aloiza [94]3 years ago
6 0

Answer:

B)

Step-by-step explanation:

I just did it on U.S.A TestPrep.

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Phoenix [80]

Answer:

equation \: of \: a \: line \\ y - y1 = m(x - x1) \\ y - ( - 1) =  \frac{5}{2}(x - ( - 2)) \\ 2(y + 1 )= 5(x + 2) \\ 2y  + 2 = 5x + 10 \\ 2y - 5x - 8 = 0

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2 years ago
A pink crayon is made with 12 ML’s of red wax for every five ML of white wax
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kewl

Step-by-step explanation:

4 0
3 years ago
Explain the distance formula. Then use it to calculate the
Alex777 [14]

Answer:

dAB=10\ units

Step-by-step explanation:

we know that

The <u>distance formula</u> is derived by creating a triangle and using the Pythagorean theorem to find the length of the hypotenuse. The hypotenuse of the triangle is the distance between the two points

The formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

A(1, 1) and B(7, −7)

Let

(x1,y1)=A(1, 1)

(x2,y2)=B(7, −7)

substitute the given values in the formula

dAB=\sqrt{(-7-1)^{2}+(7-1)^{2}}

dAB=\sqrt{(-8)^{2}+(6)^{2}}

dAB=\sqrt{64+36}

dAB=\sqrt{100}

dAB=10\ units

6 0
2 years ago
Read 2 more answers
The age of some lecturers are 42,54,50,54,50,42,46,46,48 and 48 calculate the mean age and standard deviation
rjkz [21]

Answer:

Mean age: 48

Standard deviation: 4

Step-by-step explanation:

a) Mean

The formula for Mean = Sum of terms/ Number of terms

Number of terms

= 42 + 54 + 50 + 54 + 50 + 42 + 46 + 46 + 48+ 48/ 10

= 480/10

= 48

The mean age is 48

b) Standard deviation

The formula for Standard deviation =

√(x - Mean)²/n

Where n = number of terms

Standard deviation =

√[(42 - 48)² + (54 - 48)² + (50 - 48)² +(54 - 48)² + (50 - 48)² +(42 - 48)² + (46 - 48)² + (46 - 48)² + (48 - 48)² + (48 - 48)² / 10]

= √-6² + 6² + 2² + 6² + 2² + -6² + -2² + -2² + 0² + 0²/10

=√36 + 36 + 4 + 36 + 4 + 36 + 4 + 4 + 0 + 0/ 10

=√160/10

= √16

= 4

The standard deviation of the ages is 4

3 0
3 years ago
Find the perimeter of a triangle with sides lengths 8, 10, and 12.
shtirl [24]

Answer:

30

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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