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bazaltina [42]
3 years ago
8

3x − 6y = −12 −x + 2y = 8

Mathematics
2 answers:
AleksandrR [38]3 years ago
4 0
The answer to this question will be x=2
igor_vitrenko [27]3 years ago
3 0
The answer to this question is x=2
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iren2701 [21]
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An ice cream cone has a diameter of 4.2 cm and a height of 11.5 cm. What is the volume of the cone? A. 18.6 cm³ B. 53.1 cm³ C. 2
777dan777 [17]

Answer:

B. 53.1 cm³

Explanation:

\sf volume \ of \ cone:  \dfrac{1}{3} \pi r^2h   \ \        \ \ (r \ is \ radius, \ h \ is \ height)

Here Given:

height: 11.5 cm

diameter: 4.2 cm

radius: d/2 = 4.2/2 = 2.1

Volume:

\sf \cdot \  \dfrac{1}{3} \pi r^2h

\sf \cdot \  \dfrac{1}{3} (3.14) (2.1)^2(11.5)

\sf \cdot \ 53.11 \ cm^3 ≈ \sf 53.1 \ (rounded \ to \ nearest \ tenth)

6 0
2 years ago
A scale drawing of a house addition shows a scale factor of 1 in. = 3.3 ft. Josh decides to make the house addition smaller, and
geniusboy [140]

Answer:

whats the question

Step-by-step explanation:

5 0
3 years ago
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Calculate the producers' surplus for the supply equation at the indicated unit price p.(Round your answer to the nearest cent.)
hodyreva [135]

Answer: ps = 1012.5

Therefore the producers' surplus for the supply equation at the indicated unit price p is 1012.5

Step-by-step explanation:

Given that;

p = 120 + q ; p = 165

Now to find the producer's surplus for supply equation p=f(q) at the indicated unit price; we find p

so from p = 120 + q ; p = 165, if we substitute for q

120 + q = 165

q = 165 - 120 = 45

so

ps = ⁴⁵∫₀ ( 165 - (120+q) dq

ps = ⁴⁵∫₀ ( 45 - q) dq

USING THE EXPRESSION [ xⁿdx = xⁿ⁺¹ / n+1]

ps =  [45q - q²/2]₀⁴⁵

ps = [45(45) - 45²/2] [45(0) - (0)²/2]  

ps =  [2025 - 1012.5] - [0]

ps = 1012.5

Therefore the producers' surplus for the supply equation at the indicated unit price p is 1012.5

5 0
3 years ago
How many square feet of outdoor carpet will we need for this hole?
iren2701 [21]

Answer:

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Step-by-step explanation:

1. Formula.   Area   ⇒ a=(l)(w)

2. Plug in ⇒ a=(3)(2)

3. Solve ⇒ 6=(3)(2)

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