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Natalka [10]
3 years ago
14

Hank's pickup can travel 42 miles on 3 gallons of gas. How many gallons will​ Hank's pickup need to travel 28 ​miles?

Mathematics
1 answer:
pochemuha3 years ago
5 0
2 gallons of gas

hope it helps

brainliest pls
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I really need help with this pleaseeee
Sedaia [141]

Answer:

σ = 11.68

Step-by-step explanation:

σ =  \sqrt{ \frac{Σ{(xi -  μ)}^{2} }{N} } \\ where \: σ = population \: standard \: deviation \\ xi = each \: value \: from \: population \\  μ = population  \: mean \\ N = size \: of \: population

σ =  \sqrt{ \frac{Σ{(9 - 26)}^{2} + {(16 - 26)}^{2} +{(30 - 26)}^{2} +{(35 - 26)}^{2} + {(40 - 26)}^{2}}{5} } \\ σ =  \sqrt{ \frac{Σ{((-17)}^{2} + {(- 10) }^{2} +{(4) }^{2} +{(9) }^{2} +{(14) }^{2})}{5}} \\ σ =  \sqrt{ \frac{Σ ({289} + {100} +{16} +{81} + {196})}{5} } \\ σ =  \sqrt{ \frac{682}{5} }  \\ σ  =  \sqrt{136.4} \\  σ = 11.679041056525\\ σ = 11.68

4 0
3 years ago
I need the quadratic formula.
Gre4nikov [31]
ax²+bx+c=0
4a²x²+4abx+4ac=0
4a²x²+4abx=-4ac
4a²x²+4abx+b²=b²-4ac
(2ax+b)²=b²-4ac
3 0
3 years ago
Can somebody write this is quadratic form please
galina1969 [7]

To write an equation in standard form, move each term to the left side of the equation and simplify.

ax2+bx+c = 0ax2+bx+c = 0

Move all the expressions to the left side of the equation.

−17−8x2−4x+3x2 = 0-17-8x2-4x+3x2 = 0

Add −8x2-8x2 and 3x23x2.

−17−5x2−4x = 0-17-5x2-4x = 0

Reorder the polynomial.

5x2+4x+17 = 0

Step-by-step explanation:

I hope this helped-

7 0
3 years ago
Factor by grouping.
hram777 [196]
The correct answers are A C and B
4 0
3 years ago
Read 2 more answers
G(b) = 5b- 9 h(b) = (b - 1)^2 Evaluate. (hog)(-6) =
laiz [17]

Given:

The two functions are:

g(b)=5b-9

h(b)=(b-1)^2

To find:

The value of (h\circ g)(-6).

Solution:

We have,

g(b)=5b-9

h(b)=(b-1)^2

We know that,

(h\circ g)(b)=h(g(b))

(h\circ g)(b)=h(5b-9)

(h\circ g)(b)=[(5b-9)-1]^2

(h\circ g)(b)=[5b-10]^2

Putting b=-6, we get

(h\circ g)(-6)=[5(-6)-10]^2

(h\circ g)(-6)=[-39-10]^2

(h\circ g)(-6)=[-49]^2

(h\circ g)(-6)=2401

Therefore, the value of (h\circ g)(-6) is 2401.

7 0
3 years ago
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