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Nataly [62]
3 years ago
6

HELP DUE IN 15 MINS!

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Answer:

Length of AC = 4.5

Length of DB = 4.5

Slope of AC = -\frac{1}{2}

Slope of DB = 2

Classification: Square

Hope this helps!

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If the points A, B and C have the coordinates A(5, 2), B(2, −3) and C(−8, 3), show that the triangle ABC is a right-angled trian
bixtya [17]

Answer:

See below.

Step-by-step explanation:

Triangle ABC will be right-angled if 2 of its sides are perpendicular to each other. When sides are perpendicular the product of their slopes = -1.

Slope  of side AB = (-3-2)/(2-5) = -5/-3 = 5/3

Slope of side BC = (3- -3) / -8-2) = 6/-10 = -3/5

The product of the slopes = 5/3 * -3/5 = -15/15 = -1.

So AB is perpendicular to BC  and triangle ABC is right-angled .

6 0
4 years ago
The function g(x) = x3 has the point (-3, -27) on its graph. The function g(x) is even or odd
sashaice [31]

Answer:

The function g(x) is odd.

Step-by-step explanation:

Even and odd functions:

If for every value of x, f(x) = f(-x), the function is even.

If for every value of x, f(x) = -f(x), the function is odd.

If those statements are false, the function is neither even nor odd.

In this question:

g(x) = x^{3}

g(-x) = (-x)^{3} = -x^{3} = -g(x)

Since g(x) = -g(-x), the function g(x) is odd.

8 0
3 years ago
2t+8=10 solve the equation
neonofarm [45]

Answer:

t = 1

Step-by-step explanation:

2t + 8 = 10

2t = 2 (-8 on both sides)

t = 1 (divide 2 on both sides)

7 0
3 years ago
Read 2 more answers
Choose the one that is FALSE. *
makkiz [27]

Answer:

B. 3/4 = 10/12

Step-by-step explanation:

A. 1/4*2/2  = 2/8

B. 3/4*3/3 = 9/12  not10/12

C. 5/10*5/5 = 1/2

D. 10/12 divided by 2/2 = 5/6

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3 years ago
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478 adults and 3 children?
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