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Strike441 [17]
3 years ago
9

Mrs. Favicchio has 72 students in her science class. how many packets of pH paper does she need to order?

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0
Okay, one, how many pieces are in each package, and two, how many pieces does each person need?
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Regina wrote an integer The opposite of her integer is -18
My name is Ann [436]

Answer: C

Step-by-step explanation: The opposite of a positive integer (18) is -18

Which also means its value is 18

Hope this helps!

4 0
3 years ago
Solve the system of equations for 7x+2y=16 and -21x-6y=24
Georgia [21]
Simplifying
7x + 2y = 16

Solving
7x + 2y = 16

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2y' to each side of the equation.
7x + 2y + -2y = 16 + -2y

Combine like terms: 2y + -2y = 0
7x + 0 = 16 + -2y
7x = 16 + -2y

Divide each side by '7'.
x = 2.285714286 + -0.2857142857y

Simplifying
x = 2.285714286 + -0.2857142857y
6 0
3 years ago
Rathan thinks all factors of even numbers are even. Which explains whether Rathan is correct?
Nesterboy [21]
In order to prove Rathan wrong, we only need one counterexample. Take the number 6. 6 is even, but it has the odd number 3 as a factor, so clearly, not all factors of even numbers are even.
7 0
3 years ago
Read 2 more answers
28. The United States Postal Service delivers many packages every day. A postal carrier recorded the number of packages he deliv
Rudiy27

Answer:

(B) 23

Step-by-step explanation:

8 0
3 years ago
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There are 1.25 ounces of juice in3 of oranges.if you have a sack of oranges which each have a diameter of 3.5 inches, appromatel
Nikolay [14]
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Vo=(4p(3.5/2)^3)/3=22.45 in^3 per orange...

76.8 in^3(orange/22.45 in^3)=3.42 oranges...

Round down to 3 oranges.
4 0
3 years ago
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