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3 years ago

Will someone help me on this problem

Mathematics

1 answer:

ASHA 777 [7]3 years ago

5 0

1 week = 7 days
1 gallon = 16 cups ⇒ 1 cup = 1/16 gallon

1.5 cups = 1.5 · 1/16 gallon = 15 · 1/160 gallon = 3/32 gallon

1.5 cups per day = 3/32 gallons per day = 7 · 3/32 gallons per week
= 21/32 gallons per week

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Given the functions f(x) = (x – 7] + 2 and g(x) = x2 – 3, which interval

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3 years ago

The front of an A-frame cabin in a national park is the shape of a triangle with an area of 564 ft.² if the height is 1 feet les

aleksandrvk [35]

Answer:

Base = 24 ft; height = 47 ft

Step-by-step explanation:

The formula for the area of a triangle is

A = ½bh

Let x = the base. Then

2x - 1 = the height

$\begin{array}{ccc}A & = & \dfrac{1}{2}bh\\\\564 & = & \dfrac{1}{2}x(2x - 1)\\ \\1128 & = & x(2x - 1)\\& = & 2x^{2} - x\\2x^{2} - x - 1128 & = & 0\\(2x + 47)(x - 24) & = & 0\\2x + 47 = 0 &\qquad & x - 24 = 0\\2x = -47 & \qquad & x = \mathbf{24}\\x = -23.5 & \qquad & \\\end{array}$

We reject the negative value, so x = 24 ft

Base = x = 24 ft

Height = 2x - 1 = 2(24)-1 = 48 - 1 = 47 ft

Check:

564 = ½ × 24 × 47

564 = 564

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3 years ago

The equation of a line is y= -1/2x - 1 What is the equation of the line that is perpendicular to the first line and passes throu

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Answer:

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Step-by-step explanation:

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4 years ago

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Answer:

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Step-by-step explanation:

Please mark brainliest have a good day and i hope i helped :)

8 0

3 years ago

Read 2 more answers

Where do the graphs Of linear equations 2x+3y=4 and 5x+6y=7 intersect

UNO [17]

5x + 6y = 7 SUBSTITUTION METHOD
2x + 2y = 4

5x + 6y = 7 Solve for either x or y in 1 of the 2 equations.
- 6y - 6y
-----------------------
5x = -6y + 7
----- ------ ----
5 5 5

x = -6/5y + 7/5

2(-6/5y + 7/5) + 2y = 4 Substitute the expression you got for x or y into
-12/5y + 14/5 + 2y = 4 the other equation.
-2/5y + 14/5 = 4
- 14/5 - 14/5
------------------------------
-2/5y = 6/5
-------- --------
- 2/5y - 2/5y

y = -3

5x + 6(-3) = 7 Plug in the value you got for y in step 2 into the
5x - 18 = 7 equation that you didn't use.
+ 18 + 18
------------------
5x = 25
--- -----
5 5

x = 5

(x,y) ⇒ coordinate
(5,-3) ⇒ final answer

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3 years ago