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2 years ago

3.

Mathematics

1 answer:

kozerog [31]2 years ago

8 0

9514 1404 393

Answer:

13 units

Step-by-step explanation:

The distance formula is useful for this.

d = √((x2 -x1)² +(y2 -y1)²)

d = √((5 -0)² +(8 -(-4))²) = √(25 +144) = √169

d = 13

The length of AC is 13 units.

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What is the area of this isosceles triangle.

frez [133]

Answer:

A=672 m²

Step-by-step explanation:

a²+b²=c² (to find h)

14²+b²=50²

196+b²=2,500

b²=2,304

√b²=√2,304

b=48

h=48

(base×height)÷2

(28×48)÷2

1,344÷2

A=672 m²

6 0

3 years ago

You are the owner of a toy store and preparing to make a donation to a local children's hospital you must prepare 320 teddy bear

Nookie1986 [14]

Answer:

90 feet

Step-by-step explanation:

320 (1/8) = 40

3/4 (40) = 30 yards

1 yard = 3 feet

30 (3) = 90 feet

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2 years ago

What is the equation of the line that has a slope of 1 and passes through Point (1, 5)

GREYUIT [131]

The equation of this line would be: y= x +4

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2 years ago

How do I solve this 9x-(x-24)=2x-(-5+x)

Viefleur [7K]

Combine like terms
8x+24=x+5
subtract x from both sides

8x+24=x+5
-x -x
7x+24=5
subtract 24 from both sides
7x+24=5
-24 -24
7x = -19
divide 7 from both sides
7x = -19
7x/7 = -19/7

x= -19/7

7 0

3 years ago

What is mZDAR in circle A?

Andreas93 [3]

Answer:

68°

Step-by-step explanation:

Since, angle subtended on the circumference of the circle is half angle subtended on the center of the circle.

$\therefore m\angle DBR = \frac{1}{2} \times m\angle DAR\\\\\therefore 34\degree = \frac{1}{2} \times m\angle DAR\\\\\therefore 34\degree \times 2= m\angle DAR\\\\\therefore 68\degree = m\angle DAR\\\\\therefore m\angle DAR=68\degree$

5 0

3 years ago