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viktelen [127]
3 years ago
5

SOMEBODY HELP ME PLEASE

Mathematics
1 answer:
STALIN [3.7K]3 years ago
5 0

Answer:

90

Step-by-step explanation:

9*6=54

54*5= 270

270/3=90

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15. B(-2, -9), C(0,-5), D(6,-3), E(4, -7)
artcher [175]

Answer:

BC= 2√5

CD= 2√10

DE= 2√5

BE= 2√10

slope of BC = 2

slope of CD = 1/3

slope of DE = 2

slope of BE = 1/3

Step-by-step explanation:

formula for distance = √(x2-x1)²+(y2-y1)²

formula for slope = (y2-y1)/(x2-x1)

5 0
3 years ago
What is the height of a cone given it has a volume of 225 cm and a base diameter of<br> 10 cm?
Sphinxa [80]

Answer:

B. 8.6 cm

Step-by-step explanation:

⅓*πr²h = Volume formula of a cone (V)

Volume of cone (V) = 225 cm³

diameter of cone (d) = 10 cm

radius of cone (r) = ½(10) = 5 cm

height (h) = ?

Plug in the values into the equation and solve for h

⅓ × π × 5² × h = 225

⅓ × π × 25 × h = 225

(25π × h)/3 = 225

Multiply both sides by 3

(25π × h)/3 × 3 = 225 × 3

25π × h = 675

Divide both sides by 25π

h = 675/25π

h ≈ 8.6 cm (nearest tenth)

7 0
3 years ago
What is the product of 713 and 82
ella [17]
58466

713*80 = 57040
713*2 = 1426
5 0
4 years ago
Read 2 more answers
If the simple interest on ​$3000 for 7 years is ​840$​, then what is the interest​ rate?
ivann1987 [24]

Answer:

Step-by-step explanation:

4%

5 0
3 years ago
The hypotenuse of a right triangle is 25 in. and one of the legs has a measure of 7 in. What is the measure of the other leg of
fredd [130]
A^2+B^2=C^2
7^2+B^2=25^2
49+ B^2=625
Subtract 49
B^2= 576
Sq rt 576
B= 24
4 0
3 years ago
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