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Sindrei [870]
3 years ago
10

Christian is helping Jay’s family build a rectangular deck in their backyard. On the blueprint, the deck is 7.5 inches long and

9 inches wide, and the given scale states that 1.5in =3ft Determine the length and width of the actual deck.
Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0

Answer:

length=15ft width=18ft

Step-by-step explanation:

7.5÷1.5=5 5×3=15

9÷1.5=6 6×3=18

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Enter your answer and show all the steps that you use to solve this problem in the space provided. What is the value of x?
WINSTONCH [101]

Answer:

x = 71°

Step-by-step explanation:

because the triangle shown in the image is an isosceles if the top angle is 38 the sum of other two angles must be 142 which is ,if divided by 2, makes 71

7 0
3 years ago
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Best answer gets brainliest
tankabanditka [31]

I hope this is helpful.

3 0
3 years ago
The hypotenuse of a right triangle is 13.0, and one leg is 9.0 units shorter than the other. Find the dimensions of the figure (
Darina [25.2K]
Let, one leg be x units. 
since the other leg is 9.0 units shorter than the other, 
the measure of the other leg =x-9 
hypotenuse =13.0 units 
According to Pythagorean theorem, the square of the hypotenuse is equal to the sum of squares of the other two sides.  
x^2 +(x-9)^2 =13^2 
x^2 + x^2 -18x +81 = 169 
2x^2-18x-88=0 
Divide the whole equation by 2 
x^2 - 9x -44 =0  
Let's use the quadratic formula to find the roots. 
formula: x= [-b ± sqrt(b^2-4*a*c)]/2*a  
a=1 b=-9 c=-44 
x= [9±sqrt(81+176)]/2
 =[9±sqrt(257)]/2
 =[9±16.03]/2
 =25.03/2 or -7.03/2
 length of a triangle cannot be negative,
 Therefore, x=25.03/2 =12.52 
 one leg =12.5 units
 other leg =12.52-9 =3.5 units
4 0
3 years ago
What is (6 + 3e)4 - 5e and 3(x - 5) + 7(x + 2) ?
Dafna11 [192]

idk lol use photomath

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What is the value of x in the equation 25x2 = 16?
valentina_108 [34]
<span>25x2 = 16
x^2 = 16/25
</span>x^2 = 4^2/5^2
<span>x = 4/5

</span>
7 0
3 years ago
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