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Contact [7]
4 years ago
6

Find the value of X in the problem below. Geometry

Mathematics
1 answer:
34kurt4 years ago
8 0

(3x+10) +14x = 180

17x +10 = 180

17x=170

x = 170/17 = 10

 x = 10

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olga2289 [7]

Here my work! Hope this help!

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3 years ago
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It took Amir 2 hours to hike 5 miles. On the first part of the hike, Amir averaged 3 miles per hour. For the second part of the
Natasha_Volkova [10]
We can say that x is the amount of time of the first (easier) part of the hike. Ans t is the amount of time of the second ( more difficult ) part of the hike.
x = 2 - t
And:
3 x + 1.5 t = 5
Answer:
The equation is:
3 * ( 2 - t ) + 1.5 t = 5
We can also solve this equation:
6 - 3 t + 1.5 t = 5
1.5 t = 1
t = 0.66 h = 2/3 h = 40 min.
5 0
4 years ago
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Ella bought a 2 bedroom unit 12 years ago for $95 000 and recently sold it for $280 000 (after deducting selling costs).
Pani-rosa [81]

C.P. = $95000

S.P. = $280000

a. Profit

= S.P. - C.P.

= $280000 - $95000

= $185000

b. Let the profit% of C.P. be x.

(x/100) × $95000 = $185000

=> x/100 = $185000/$95000

=> x/100 = 37/19

=> x = (37/19) × 100

=> x = 3700/19

=> x = 194 14/19

So, profit percent of buying price is 194 14/19%.

c. Let the profit% of S.P. be x.

(x/100) × $280000 = $185000

=> x/100 = $185000/$280000

=> x/100 = 37/56

=> x = (37/56) × 100

=> x = 3700/56

=> x = 925/14

=> x = 16 1/14

So, profit percent of selling price is 16 1/14%.

d. Buying price percentage profit sounds better as far as Ella is concerned.

8 0
3 years ago
Find the surface area of isosceles trapezoidal prism given the measures shown.
Nikolay [14]

The surface area of the parallelogram based prism is 1548 units squared.

<h3>Surface area of a parallelogram based prism.</h3>

The prism has 2 parallelogram base and 4 rectangular faces.

Therefore,

surface area of the prism = 2 (area of the base) + area of the 4 rectangular faces

Therefore,

surface area of the prism = 2(12 × 17) +2(19 × 13) + 2(19 × 17)

surface area of the prism = 2(204) + 2(247) + 2(323)

surface area of the prism =  408 + 494 + 646

surface area of the prism = 1548 units²

learn more on prism here: brainly.com/question/22786015

#SPJ1

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3 years ago
How to simplify 7 - 9x -15 + 12x into an expression
mixas84 [53]

3x - 8

bdjwysksuxvsjahajhx

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