3 years ago

The price of an item has risen to $261 today. Yesterday it was $180. Find the percentage increase

Mathematics

1 answer:

tankabanditka [31]3 years ago

7 0

Answer:

Step-by-step explanation:

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______ method consists of the following steps: conceptualize a process or problem to be studied, collect research data, analyze

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Answer

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Step-by-step explanation:

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3 years ago

Shae makes $12.50 an hour. If she works 6.5 hours a day, after how many days will she have earned $500?

Wittaler [7]

7 Days She Have earned over 500
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3 years ago

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Hello sorry need help again, please just answer the pictures below.

olya-2409 [2.1K]

X/1.3=16/5.2 answer is 4

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3 years ago

3. In the figure below, E is on AD and C is on BD. The dimensions given are in meters. What is the length, in meters, of CD?

damaskus [11]

Answer:

C. 3,960

Step-by-step explanation:

∆ADB ~ ∆EDC. Therefore,

$\frac{AB}{EC} = \frac{DB}{DC}$

$\frac{2,000}{1,200} = \frac{2,640 + x}{x}$ (substitution)

Solve for x

$\frac{5}{3} = \frac{2,640 + x}{x}$

Cross multiply

$5*x = 3(2,640 + x)$

$5x = 7,920 + 3x$

5x - 3x = 7,920

2x = 7,920

x = 7,920/2

x = 3,960 meters

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2 years ago

Find the measure of ∠C if ∠A = 3 2 x + 20 ∠B = 7 2 x + 20 ∠C = 5 2 x + 40 ∠D = 3 2 x + 10 A) 65° B) 76° C) 95° D) 115°

Rudiy27

The sum of the angles of a quadrilateral is 360°.
$\left(\dfrac{3}{2}x+20\right)+\left(\dfrac{7}{2}x+20\right)+\left(\dfrac{5}{2}x+40\right)+\left(\dfrac{3}{2}x+10\right)=360\\\\9x+90=360\\\\x=\dfrac{270}{9}=30$

Given that x=30, the measure of ∠C is
∠C = (5/2)×30 +40 = 115

The appropriate choice is ...
D) 115°

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3 years ago

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