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Aleks04 [339]
3 years ago
10

Davis used a drawing and a scale factor of 4 to design his triangular yard. The area of the yard is 400 ft². He wants to find th

e area of the scale drawing. A smaller triangle has an area of x. A larger triangle has an area of 400 feet squared. Davis knows that the original area times the square of the scale factor will equal the enlarged area. What is the area of the scale drawing? (Scale drawing)(Scale factor)2 = Enlarged Area (x)(4)2 = 400 16x = 400 x =
Mathematics
1 answer:
FromTheMoon [43]3 years ago
6 0

Answer:

25

Step-by-step explanation:

did the question

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What is the solution to the equation 2/3x+x = -1/3x+14?
BartSMP [9]

Answer: x = -7/2 = -3.500

x = 2

Step-by-step explanation:

8 0
3 years ago
Mrs. Duncan measured the lengths of a crayon and a pencil. The pencil is double the length of the crayon. The sum of their lengt
Margarita [4]

Answer: The length of pencil is 16 centimetres and length of crayons is 8 centimetres

Step-by-step explanation:

Let the length of crayon =x

Length of a pencil =2x

As according to question that the sum of their length is 24 centimetres

So we have

x+2x=24\\\\\Rightarrow 3x= 24 \\\\\Rightarrow x= \dfrac{24}{3} =8

Therefore the length of crayon = 8 centimetres

Length of pencil= 2x= 2\times x = 2\times 8 =16 centimetres

Hence, the length of pencil is 16 centimetres and length of crayons is 8 centimetres

8 0
3 years ago
At a movie theater, an adult ticket costs $10 and a child ticket costs $6. There were 350 people at a movie showing. The revenue
Wittaler [7]
X - number of the adults, y  - number of children;
The system is:
10 x + 6 y = 3292
x + y = 350   =>   y = 350 - x
----------------------
10 x + 6 * ( 350 - x ) = 3292
10 x + 2100 - 6 x = 3292
4 x = 3292 - 2100
4 x = 1192
x = 1192 : 4
x = 298
y = 350 - 298
y = 52
Answer:
There were 598 adults and 52 children at the showing.
6 0
2 years ago
A koala bear eats at a steady rate 15 leaves in 2 hours. In how many minutes does the koala eat 10 leaves?
ZanzabumX [31]

Answer:

80 minutes

Step-by-step explanation:

1 hour=60 minutes

2 hours=120 minutes

-------------------------------

15/120=10/x

cross product

120*10=15*x

1200=15x

x=1200/15

x=80

8 0
3 years ago
1 orange is .25 for 1/2 kilogram. how much for 8 oranges?
prisoha [69]
The 1/2 kilogram is unimportant information in this question. 1/.25 = 8/x. We need to solve for x. Cross multiply to get x = 2. 2$
8 0
3 years ago
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