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faust18 [17]
3 years ago
13

The equati...

Mathematics
2 answers:
marin [14]3 years ago
8 0

Answer:

x = 7.5

Step-by-step explanation:

Gekata [30.6K]3 years ago
7 0

Answer:

75

Step-by-step explanation:

if you put 3 in the x it is now 3 but the x it is there with the 3 and do 3 with the 4.5 and then add them to each of them then you get your answer

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the length of each side of a triangle is in the ratio 4 : 5 : 9. the length of the longest side is 27cm. Find the perimeter of t
DiKsa [7]

Answer:

54 cm

Step-by-step explanation:

27:9=3

4+5+9=18

3×18=54

3 0
3 years ago
2. Solve for the values of x by factoring.
Vikki [24]

Answer:

x = - 3, x = - 6

Step-by-step explanation:

{x}^{2}  + 9x + 18 = 0 \\  \\  {x}^{2}  + 6x + 3x + 18 = 0 \\  \\ x(x + 6) + 3(x + 6) = 0 \\  \\ (x + 6)(x + 3) = 0 \\\\ x + 3 = 0 \:  \: or \:  \: x + 6 = 0 \\  \\ x =  - 3, \:  \: or \:  \: x =  - 6 \\  \\

7 0
3 years ago
Read 2 more answers
Which of the following equations could NOT be used to find the area of the triangle?
zubka84 [21]

Answer:

what type of qwestion is this? Area of triangle is (1÷2) base ×height

6 0
3 years ago
H (x)=x^2-5<br> Find h (-7)
nalin [4]
H (-7) = (-7)^2 -5 = 49-5 = 44
3 0
4 years ago
Read 2 more answers
Martha likes to walk around a park near her house the park is square 7/10 miles on each side one morning she walked around the p
PolarNik [594]
Hey there,
Total distance = 7 / 10 x 4
                       = 2 4/5 miles
3 times = 2 4/5 x 3
            = 8 2/5
1/2 times = 2 4/5 / 1/2
                = 5 3 /5
8 2/5 + 5 3/5 = 14 miles

Hope this helps :))

~Top
6 0
4 years ago
Read 2 more answers
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