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Triss [41]
3 years ago
6

Wright a variable expression for the word phrase, "the product of a number z and 7" A: 7 - z

Mathematics
1 answer:
drek231 [11]3 years ago
3 0
Product means to multiply so, C
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Sofia places 26 tiles representing each letter of the alphabet into a bag. Five of the tiles represent the vowels A, E, I, O, an
mars1129 [50]

Answer:

42 times.

Step-by-step explanation:

The number of total alphabet = 26 tiles

The number of vowels = 5

The number of consonant = 26 - 5 = 21

Sofia will randomly select 1 tile from the bag and without replacement select another tile from the bag.

The probability to select consonant at first time = 21/26

Total tiles after the first selection = 26 - 1 = 25

The probability to select vowels at second time = 5/25

The probability to select consonant and vowels = \frac{21}{26} *\frac{5}{25} =\frac{21}{130}

Sofia will draw two tiles from the bag 260 times.

The prediction for the number of times Sofia will select a consonant tile and a vowel tile = \frac{21}{130} *260=42 \ times

3 0
3 years ago
Which of these is an example of a random sample? O A. The five employees who work the late shift answer questions about manageme
CaHeK987 [17]

Answer:

D

Step-by-step explanation:

since five out of 2000 were chosen randomly then that's a random sample since everyone had an equal chance to be picked

7 0
3 years ago
Read 2 more answers
2 5/7+4 3/5= help please
Ainat [17]

Answer:

7\frac{11}{35}

Step-by-step explanation:

2\frac{5}{7}+4\frac{3}{5}

add the whole numbers

2+4=6

combine the fractions

\frac{5}{7}+\frac{3}{5}

LCM is 35 because 7 * 5 =35

\frac{5}{7}=\frac{5\cdot \:5}{7\cdot \:5}=\frac{25}{35}

\frac{3}{5}=\frac{3\cdot \:7}{5\cdot \:7}=\frac{21}{35}

\frac{25}{35}+\frac{21}{35}=\frac{25+21}{35}

=\frac{46}{35}

change the improper fraction into mixed number

6+1\frac{11}{35}

=7\frac{11}{35}

3 0
3 years ago
When the factors of a trinomial are (x - p) and (x - q) then the constant term of the trinomial is:
padilas [110]
Its the product of -p and -q

that is b.
4 0
3 years ago
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What's is 9 + 10 equal?
yanalaym [24]
9+10=19
Answer: 19

Ya…
8 0
2 years ago
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