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nalin [4]
3 years ago
5

Isaac sold 58 of his baseball cards at a collectors show. If this represented 14.5% of his total collection, how many baseball c

ards did Isaac have before he sold his cards?
Mathematics
1 answer:
Alenkasestr [34]3 years ago
4 0

Answer:

400\ cards

Step-by-step explanation:

Let

x------> amount of baseball cards Isaac had before he sold

we know that

14.5\%=14.5/100=0.145

so

0.145x=58

Solve for x

x=58/0.145

x=400\ cards

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Which number, when rounded to the nearest tenth, is 43.6? Options: A: 43.55 B: 43.657 C: 43.65 D: 43.549
weqwewe [10]

Answer:

A: 43.55

Step-by-step explanation:

Place value can be defined as the numerical value representing a digit owing to its position in a number. Some examples of the various place values used in representing each digit are tenths, hundredths, thousandths, unit, tens, hundreds, thousands etc.

For example, in the number 43.55;

  • The place value of 4 is tens.
  • The place value of 3 is units.
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  • The place value of 5 is hundredths.

Rounding up to the nearest tenth simply means to have 1 significant figure after the decimal point.

Therefore, 43.55 to the nearest tenth is 43.6

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3 years ago
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Can someone help me understand this?
ASHA 777 [7]

< means 'less than'. 3.5 is less than 4.5, so A is correct. Since -4.5 is NEGATIVE it is less than 0. As for C, since both numbers are negative, it would be the seemingly 'smaller' number that is actually bigger. It may help to think of the numbers on a number line. In the negatives, the numbers start to go in reverse, so the further from 0 a negative number is, the smaller it is. -4.5 IS LESS than -3.5. All answers are correct.

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3 years ago
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A hobbyist is making a toy sailboat. For the triangular sail, she wants the height h (in inches)
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Answer:

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Step-by-step explanation:

7 0
3 years ago
15 and 17 pls.. 15 points!!!!
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Step-by-step explanation:

15) 50 ÷ 2 = 25

17) Mean = 301, Mode = 40-50

(10+20) ÷ 2 = 15, (20+30) ÷ 2 = 25, (30+40) ÷ 2 = 35

(40+50) ÷ 2 = 45, (50+60) ÷ 2 = 55, (60+70) ÷ 2 = 65

(70+80) ÷ 2 = 75

• 15×4 = 60, 25×8 = 200, 35×10 = 350, 45×12 = 540

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Mean = (60+200+350+540+550+260+150) ÷ 7

= 2110 ÷ 7

= 301.4285....

= 301

Mode : the highest frequency

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3 years ago
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