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Diano4ka-milaya [45]
3 years ago
6

Help me with this I don’t really understand it

Mathematics
1 answer:
KIM [24]3 years ago
6 0

Answer:

Could you please help me with the two most recent questions of mine on my page? I will give u brainliest and 20 points! :))) X

Step-by-step explanation:

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An engineer scale model shows a building that is 3 inches tall. If the scale is 1 inch = 600 feet, how tall is the actual buildi
Sever21 [200]

The actual height of building is 1800 feet.

Step-by-step explanation:

Given,

Height of building in model = 3 inches

Scale used by engineer;

1 inch = 600 feet

Therefore;

Actual height of building = Height in model * Scale used

Actual height of building = 3 * 600

Actual height of building = 1800 feet

The actual height of building is 1800 feet.

8 0
3 years ago
Trianas age is 5 years less than 3 times her brothers age. Trianas age is 11 minus her brothers age. How old is Triana?
erastova [34]

Answer: 7

HOPE THIS HELPS

8 0
3 years ago
What is the center and radius of the circle given by x2 + y2 - 10x - 12y + 24 = 0?​
AveGali [126]

Answer:

centre (5, 6 ) , r = \sqrt{37}

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r the radius

given

x² + y² - 10x - 12y + 24 = 0 ( collect x and y terms together and subtract 24 from both sides )

x² - 10x + y² - 12y = - 24

using the method of completing the square

add ( half the coefficient of the x / y terms)² to both sides

x² + 2(- 5)x + 25 + y² + 2(- 6)y + 36 = - 24 + 25 + 36

(x - 5)² + (y - 6)² = 37 ← in standard form

with centre (h, k ) = (5, 6 ) and r = \sqrt{37}

3 0
2 years ago
Divide 1170 denars in a ratio of 2: 3: 8.
balu736 [363]

Answer:

180:270:720

Step-by-step explanation:

total units-> 13u

1 unit -> 1170÷13=90

2u->90×2=180

3u->90×3=270

8u->90×8=720

3 0
3 years ago
Will jumps rope at a rate of 86 jumps per minute. At this rate, what is the total number of times Will will jump in 15 minutes?
kolbaska11 [484]

Answer:

1290 jumps

Step-by-step explanation:

86 jumps x 15 min = 1290 jumps

4 0
3 years ago
Read 2 more answers
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