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3 years ago

7

use the tally chart to draw a bar graph below. The scale is given. Coins in Maria's Piggy Bank Number of Coins Penny Nickel Dime

Quarter

1 answer:

fomenos3 years ago

7 0

There is 60 coins in a tally chart

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Select the correct answer.

Nimfa-mama [501]

Answer:

A

Step-by-step explanation:

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3 years ago

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There are 10 girls and 5 boys in Ms. Sander's class. Each day, she randomly asks one student to take attendance. In 180 school d

kvv77 [185]

Answer:

120

Step-by-step explanation:

The probability of a girl being picked one day = 10/15 = 2/3

Total number of days = 180

Therefore, the nunber of times it will be a girl = 2/3 x 180 = 2 x 60 = 120

Hope this helps

7 0

3 years ago

What is x^4-10x^2+9 simplified

Zanzabum

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\
%x^4-10x^2+9 
x^4-10x^2+9\implies (x^2)^2-10x^2+9\implies (x^2-9)(x^2-1)
\\\\\\
\underline{(x^2-3^2)}(x^2-1^2)\implies \underline{(x-3)(x+3)}(x-1)(x+1)$

$\bf \textit{keep in mind that }1=1^2=1^3=1^5=1^{10}=1^{1000000}$

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3 years ago

Explain how to use a number line to find a decimal equivalent to 1 7/10

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4 years ago

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the school cafeteria sells two kinds of wraps: vegetarian and chicken. the vegetarian wraps costs $1.00 and the chicken wrap cos

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