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Alex
2 years ago
6

Match each percent amount to its correct value. Tiles 15% of 30 30% of 45 60% of 7 23% of 20 Pairs 13.5 arrowBoth 4.5 arrowBoth

4.6 arrowBoth 4.2 arrowBoth
Mathematics
2 answers:
Tema [17]2 years ago
5 0

Answer:

Match each percent amount to its correct value.

1. 15% of 30

\frac{15}{100}\times30= 4.5

2. 30% of 45

\frac{30}{100}\times45= 13.5

3. 60% of 7

\frac{60}{100}\times7= 4.2

4. 23% of 20

\frac{23}{100}\times20= 4.6

These are the correct matches to the given questions.

Over [174]2 years ago
3 0
15% of 30....turn ur percent to a decimal...." of " means multiply
0.15(30) = 4.5

30% of 45.....set it up the same way as before
0.30(45) = 13.5

60% of 7
0.60(7) = 4.2

23% of 20
0.23(20) = 4.6
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As given in the problem, y=6x^2+12x-10

Using the formula, we can transformed the quadratic equation y=6x^2+12x-10 into its vertex form:

y=6x^2+12x-10

<span>y= (6x^2+12x)-10    (grouping)</span>

y=6(x^2+2x)-10 (factoring Common terms per group)

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2 years ago
The manager of a grocery store estimates that 74% of customers will make a purchase.
Lina20 [59]

Answer:

A - Per 100 people, cashier should expect 26 customer until he finds a costumer that makes a purchase.

B -  The probability is 1/4

Step-by-step explanation:

The estimated chance of a customer making a purchase  = 74%

So, if a TOTAL of 100 people visit the grocery store on any random day,

then 74 % of customers  

= 74% of 100

= 74 people will make purchases.

⇒ Out of total 100 people visiting, 74 people  will make a purchase.

So, the number of people NOT making a purchase = 100 - 74 = 26

⇒ Out of total 100 people visiting, 26 people  will NOT make a purchase.

Also, 26 = 26% of 100

<u>Part A :</u>

So, in order to make a purchase, cashier should expect 26% of customers because the percentage of NOT purchasing is 26%.

Hence, per 100 people, cashier should expect 26 customer until he finds a costumer that makes a purchase.

<u>Part B :</u>

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The percentage of people NOT making a purchase  = 26%

So, for every 3 customer making a purchase there is a 1 person NOT making  a purchase.

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2 years ago
A line passes through the points (p, a) and (p, –a) where p and a are real numbers and p ≠ 0. Describe each of the following. Ex
MissTica

Answer:

Part A) The slope is undefined

Part B) The equation of the line is x=p

Part C) None y-intercept

Part D) The slope of a line perpendicular to the given line is equal to zero

Step-by-step explanation:

we have that

Describe

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B) equation of the line

C) y-intercept

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we know that

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we have

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Part B) Equation of the line

we know that

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so

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Part D) slope of a line perpendicular to the given line

A line perpendicular to the given line is a horizontal line (parallel to the x-axis)

therefore

The slope is equal to zero

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