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maria [59]
3 years ago
15

What is the value of this expression? 7d squared+10 d=3

Mathematics
2 answers:
UNO [17]3 years ago
7 0
7*3= 21
21^2= 441
441+10= 451
The answer is 451
Hope it helps :)
elixir [45]3 years ago
4 0
The answer is 451
- hope this helped-
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The description for a certain brand of house paint claims a coverage of 460 ft2/gal. (a) express this quantity in square meters
Angelina_Jolie [31]

Given 460 ft^2/gal

a) convert it into m^2/l

=> It means ft^2 -> m^2 and gal -> l

1 ft = 0.3048 m

1 ft^2 = 0.092903 m^2

1 gal = 3.78541 l

460ft^2= [tex]460\frac{ft^2}{gal} = \frac{42.7354m^2}{3.78541l} = 11.2895m^2/l m^2[/tex].

b.  11.2895\frac{m^{2} }{l} *1000\frac{l}{m^3} =11289.5 m^{-1}

c.Given=  460\frac{ft^2}{gal}

To find inverse, divide it by 1.

Inverse- \frac{1}{460} \frac{gal}{ft^2}




6 0
3 years ago
How many unique triangles can be drawn with given side lengths of 8 inches, 10.3 inches, and 13 inches?
REY [17]

Answer: 1

Step-by-step explanation: There can only be one triangle like that!

4 0
2 years ago
Read 2 more answers
The graph below shows the solution to a system of inequalities: Solid line joining ordered pairs 0, 3.75 and 15, 0. Shade the po
algol [13]
(0,3.75)(15,0)
slope(m) = (0 - 3.75) / (15 - 0) = -3.75/15 = - 0.25 or -1/4

y = mx + b
slope(m) = -1/4
(15,0)...x = 15 and y = 0
now we sub
0 = -1/4(15) + b
0 = -15/4 + b
15/4 = b

y = -1/4x + 15/4
1/4x + y = 15/4....multiply by 4
x + 4y = 15.....and since it is a solid line, it contains an equal sign...and since it is shaded above the line, it is greater.
so ur inequality is : x + 4y > = 15 (thats greater then or equal)
4 0
3 years ago
Read 2 more answers
22x^2 y^2 / 11x^2 y^2 ?
Wewaii [24]
Factor 11 x^2 y^2 out of both the numerator and the denominator to get 2(11 x^2 y^2)/11x^2 y^2, which is clearly equal to 2.
4 0
3 years ago
A city park designer is designing a new park. The park will be shaped like a right triangle and there will be two pathways for p
Aloiza [94]

Answer:

VW=36

VT=27

Step-by-step explanation:

VW is the midsegment of the triangle

so

VW=72/2

=36

VXT is a right angle triangle

so

a²+b²=c²

a=√c²-b²

a=√45²-36²

a=√(45-36)(45+36)

a=√9×81

a=√9×√81

a=27

therefore

VT=27

8 0
3 years ago
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