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ad-work [718]
3 years ago
14

Solve the formula Ax + By= C for A.

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

Answer:

Step-by-step explanation:

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find the value of" A" such that triangle DEF with vertices D (a,1) , E(10,7) and F(7 ,11) is a right angle at E?​
Ronch [10]

a=2

Answer:

(m1) slope of DE=(7-1)/(10-a)=6/(10-a)

(m2) slope of EF=(11-7)/(7-10)=4/-3=-4/3

since line are perpendicular

m1m2=-1

6/(10-a) ×-4/3=-1

6/(10-a)=3/4

6×4=3(10-a)

24=30-3a

3a=30-24

a=6/3=2

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3 years ago
How do you solve 3 q+2(q+1)
Liula [17]
3q + 2 (q + 1)               :Distribute

3q + 2q + 1                  :Combine like terms

<em><u>5q + 1</u></em>
6 0
3 years ago
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Graph the inequality x &gt; 3.
SpyIntel [72]
You did it wrong it. It should be facing right with an open circle
4 0
3 years ago
What is the length of the diagonal of a 10 foot by 8 foot rectangle?
zloy xaker [14]
Diagonal of a rectangle formula:

Diagonal = √l² + w²
Diagonal = √10² + 8²
Diagonal = √100 + 64
Diagonal = √164
Diagonal = 12.806 feet.

Or you can use the pythagorean theorem. The diagonal of a rectangle is the hypotenuse of a triangle.

a² + b² = c² ; where a and b represents the lengths of the triangle and c is the hypothenuse. In this case, the lengths are 10 ft and 8ft.

10² + 8² = 100 + 64 = 164 ; This represents c².
c = √c² = √164 = 12.806 ft
6 0
3 years ago
6
irinina [24]
But, the y intercept is 2.
4 0
3 years ago
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