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prohojiy [21]
3 years ago
10

Given g(x) = x2 + 3x - 19, find g(-2)

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0

Answer:

-4 + -6 -19

-10 -19

-29

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On moving day, Jorge needs to rent a truck. The length of the cargo space is 12 ft, and the height is 1 ft less than the width.
lidiya [134]

Answer:

12ft \times7ft \times6ft

Step-by-step explanation:

Given that truck can hold = 504 ft^{3} i.e.

Volume, V = 504 ft^{3}

Length of cargo space = 12 ft

Let width of cargo space = w ft

As per question statement:

Let height of cargo space = (w-1) ft

To find: The Dimensions of Cargo Space

Formula for Volume of Cargo Space:

V = Length \times Width \times Height

Putting the given values and conditions:

504 = 12 \times w \times (w-1)

\Rightarrow w(w-1) = \dfrac{504}{12}\\\Rightarrow w^{2} -w = 42\\\Rightarrow w^{2} -w - 42=0\\\Rightarrow w^{2} -7w +6w -42 =0\\\Rightarrow w(w -7) +6(w -7) =0\\\Rightarrow (w -7)(w+6) = 0\\\Rightarrow w =7, -6

Dimensions can not be negative, so width, w = 7 ft

Height = (w-1) = 7-1 = 6 ft

So, the dimensions are 12ft \times7ft \times6ft.

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3 years ago
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MaRussiya [10]

Step-by-step explanation:

the numbers of the yellow and white counters

= 288- 38 = 250.

the ratio of yellow to white = 1:4

so,

the numbers of the yellow counters =

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the numbers of the white counters =

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and the numbers of the red counters = 38

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2 years ago
Liliana wants to write an equivalent expression for n+3-5n+6.
sammy [17]

Answer:

Step-by-step explanation:

n +3 - 5n + 6 = n - 5n + 3 +6

= -4n + 9

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matrenka [14]

Answer:

3/-2

Step-by-step explanation:

All other answers have 2 negative signs, so they all will become positive numbers.

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ivolga24 [154]

Answer:

90

Step-by-step explanation:

you do 54 ÷ 60% = 90

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60% of 90 is 54 .

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