The number of hours (H) that a candle will burn increases when the length of the candle (L) increases. Write the correct equation for this scenario, and solve for the number of hours when the length is 2.

Answers

Answer 1

Answer: H is directly proportional to l
H $\alpha$ L
H=kL
when L=2, H=2k

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This is a two part question! Please help me!!!Write a function rule for the area of a rectangle with a length 2 ft less than three times its width. What is the area of the rectangle when its width is 2 ft?

Thanks to anyone who helps!

Answers

Answer:

A=4ft²

Answerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

Step-by-step explanation:

9h + 2 19. Given the formula E = IR what is the formula for R?
a. R = I ÷ E
b. R = EI
c. R = IE
d. R = E ÷ I

Answers

E= I x R divide I from both sides
E/I = R or R = E/I which is D in the answer selection.

Your answer is D. I hope this helps

The vertex form of the equation of a parabola is y = 2(x + 3)2 - 5. What is the standard form of the equation?

A. x = 2y2 + 5y + 9
B. y = 2x2 + 5x + 9
C. y = 4x2 + 4x + 4
D. y = 2x2 + 12x + 13

Answers

y = 2(x+3)² - 5

(x+3)² = x(x+3) + 3(x+3) ⇒ x² + 3x + 3x + 9 = x² + 6x + 9

y = 2(x² + 6x + 9) - 5
y = 2x² + 12x + 18 - 5
y = 2x² + 12x + 13 This is the standard form of the equation. Choice D.

Solve for x: −2x + 5 < 7

Answers

-2x + 5 < 7

-2x + 5 < 7
-5 -5 deduct 5 from both sides
-2x < 2
÷ -2 ÷ -2 divide both sides by negative 2. Because of the division
x > -1 using a negative number, the sign is then reversed.
from < it becomes >.

The value of x should be greater than -1. It can be 0, 1, 2, so on...

To check: Revert back to the original sign which is <.

x = 1
-2x + 5 < 7
-2(1) + 5 < 7
-2 + 5 < 7
3 < 7

Whats the measure of <2

Answers

Answer:

25 feet is equal to <2

Which strategies can be used to solve this problem?The candle factory made 1,200 candles per month in June and July and 1,345 candles per month in August and September. What is the total number of candles they made in four months?
Choose all answers that are correct.

A.Use logical reasoning.
Multiply 1,200 by 2 to figure out how many candles were made in June and July. Multiply 1,345 by 2 to figure out how many candles were made in August and September. Add the two numbers together to find the total number of candles made in four months.
B.Draw a diagram.
Draw two circles. In one circle write 1,200 and in the other circle write 1,345. Add the numbers in the circles together.
C.Work backward.
Divide 1,200 by 2 (for the 2 months, June and July). Then divide 1,345 by 2 (for the 2 months August and September). Add these two numbers.
D.Translate into an equation.
1,200 × 2 + 1,345 × 2 = c

Answers

you want total number made in 4 m onths, so adding all numbers is correct, but it is per 1 month, so multiply by 2

A because you need brain for most problems
D works

pick A and D

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