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3 years ago

10

A statistician is collecting data to help her estimate the number of pickpockets in a certain city. she needs 150 pieces of data

and is 34 percent done. how many pieces of data has she collected?

1 answer:

ololo11 [35]3 years ago

7 0

51 pieces of data will be collected

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Decide if the following biconditional statement is true or false:

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Answer:

False

Step-by-step explanation:

I know what I talking about and I'm right

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PLEASE HELPP!!!!!! FOR 10 POINTS. Am I right? Show work if I’m wrong

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Answer:

you are correct, they are supplementary

Step-by-step explanation:

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A department store is having a sale in which every item is 38% off its original price. The regular price of a suit is $112. How

lara [203]

Answer: $42.56

Step-by-step explanation:

Percent discount in department store = 38%

The regular price of suit = $112.

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So, 38% of $112

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Thus, the price taken off the regular price of the suit is $42.56

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3 years ago

Segment HI has a length of 25.3 inches. It can be mapped to segment GO by a reflection over the x-axis followed by a reflection

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-4x + 7 = 2y - 3<br> y-intercept:<br><br> x intercept:

pantera1 [17]

Answer:

x-intercept: $\bigg(\frac{5}{2}, \:0\bigg)$

y-intercept: $(0,\:5)$

Step-by-step explanation:

To find the x-intercept, substitute in $0$ for $y$ and solve for $x$ .

$-4x + 7 = 2y - 3$

$-4x+7=2\left(\bold{0}\right)-3$

Simplify 2(0): $-4x+7=2\cdot \:0-3$

Subtract 0 - 3 = -3: $-4x+7=-3$

Subtract 7 from both sides: $-4x+7-7=-3-7$

Simplify: $-4x=-10$

Divide both sides by -4 $\frac{-4x}{-4}=\frac{-10}{-4}$

$\bold{x=\frac{5}{2}}$

To find the y-intercept, substitute in $0$ for $x$ and solve for $y$ .

$-4x + 7 = 2y - 3$

$-4(\bold{0})+7=2y-3$

Switch sides: $y-3=-4\left(0\right)+7$

Simplify -4(0): $2y-3=-0+7$

Add 3 to both sides: $2y-3+3=7+3$

Simplify: $2y=10$

Divide both sides by 2: $\frac{2y}{2}=\frac{10}{2}$

$\bold{y=5}$

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2 years ago