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lawyer [7]
3 years ago
12

1. A theater group bought supplies to construct the set of a play. Lumber cost $145.86, paint cost $52.91, and hardware cost $17

.63.
(a) What was the total amount the theater group paid for the supplies? Show your work.
 (b) What percent of the total cost was the cost of the hardware? Write your answer as a decimal rounded to the nearest thousandth. Show your work.
 (c) What percent of the total cost was the cost of the paint and the hardware? Write your answer as a decimal rounded to the nearest thousandth. Show your work.
 
Mathematics
1 answer:
Pani-rosa [81]3 years ago
8 0
(a) 145.86 + 52.91 + 17.63 = 216.4
(b) 17.63/216.4 × 100% = 8.15%
(c) 52.91 + 17.63 / 216.4 × 100% = 32.60%
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If f(x) = 5x + 40, what is f(x) when x = -5?
Makovka662 [10]

Answer:

f(-5) = 15

Step-by-step explanation:

f(x)=5x+40

plug in x as -5

f(-5) = 5(-5) + 40

multiply 5 by -5

-25+40

add -25 to 40

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Find an approximate equation y=ab^x with the coordinates (0, 4) (3, 95)
bogdanovich [222]
We have y=ab^{x}

Plug in (0, 4):
4=ab^{0}⇒4=a
So we now have a

Plug in (3, 95):
95=4b^{3}
⇒b^{3}=\frac{95}{4}
⇒b=\sqrt[3]{\frac{95}{4}}
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So we get
y=4(\sqrt[3]{\frac{95}{4}})^{x}
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y=4*2.874^{x}
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Which following statements are false
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Make x the subject of y = 4x + 1<br>You may use the flowchart to help you if you wish.<br>X<br>y​
Paha777 [63]

Step-by-step explanation:

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5 0
3 years ago
Given: Triangle ABC : triangle ADB. AB =24, AD =16 <br> Find: AC
RoseWind [281]

Answer:

<h2>AC = 36.01</h2>

Step-by-step explanation:

Given ΔABC and ΔADB, since both triangles are right angled triangles then the following are true.

From ΔADB, AB² = AD²+BD²

Given AB = 24 and AD = 16

BD² = AB² - AD²

BD² = 24²-16²

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BD = \sqrt{320}

BD = 17.9

from ΔABC, AC² = AB²+BC²

SInce AC = AD+DC and BC² = BD² + DC² (from ΔBDC )we will have;

(AD+DC)² = AB²+ (BD² + DC²)

Given AD = 16, AB = 24 and BD = 17.9, on substituting

(16+DC)² = 24²+17.9²+ DC²

256+32DC+DC² =  24²+17.9²+ DC²

256+32DC = 24²+17.9²

32DC = 24²+17.9² - 256

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DC = 20.01

Remember that AC = AD+DC

AC = 16+20.01

AC = 36.01

6 0
3 years ago
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