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3 years ago

Evaluate 5Y -8 when Y equals five

Mathematics

2 answers:

defon3 years ago

7 0

The answer is 17 because 5 times 5 is 25. 25 minus 8 is 17.

Bond [772]3 years ago

6 0

Answer:

17?

Step-by-step explanation:

I think it is this because 5 x 5 is 25 then minus 8 is 17? not sure if that's what you mean...

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Expand (a – 1)(a – 2) by using the FOIL method.

ddd [48]

The answer is A.

(a-1)(a-2)

a * a= a^2
a * -2= -2a
a * -1 = -1a = a
-1 * -2 = 2 because two negative signs make a positive.

Put them together:

a^2 - 2a - a + 2
= a^2 - 3a +2

4 0

4 years ago

If a kitten weighted 2 pounds 3 ounces. A month later the kitten weighted 56 ounces. How much weight did the kitten gain in that

True [87]

Answer:

21 ounces

Step-by-step explanation:

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3 years ago

An average orange weighs 3/5 of a pound. Based on this average, how many oranges are in six pounds of oranges? a0 oranges

8090 [49]

$\bf \begin{array}{ccll} oranges&lbs\\ \cline{1-2} 1&\frac{3}{5}\\\\ x&6 \end{array}\implies \cfrac{1}{x}=\cfrac{~~\frac{3}{5}~~}{6}\implies \cfrac{1}{x}=\cfrac{~~\frac{3}{5}~~}{\frac{6}{1}}\implies \cfrac{1}{x}=\cfrac{~~\begin{matrix} 3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{5}\cdot \cfrac{1}{\underset{2}{~~\begin{matrix} 6 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}} \\\\\\ \cfrac{1}{x}=\cfrac{1}{10}\implies 10=x$

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3 years ago

How many solutions does this system have?<br> y = -2x + 4<br> y = x^2 - 2x +4

AVprozaik [17]

Answer:

One Solution

Step-by-step explanation:

6 0

4 years ago

Find the arc length. <br> r=12, 0=2pi/3

Ann [662]

Answer:

25 units.

Step-by-step explanation:

r = 12 o = 2pi/3 (120°)

arc length = o/360° × 2pir

= 120°/360° × 2(22/7)(12)

= 1/3 × 2(22/7)(12)

= 2 × 22/7 × 4

= 25 units to the nearest whole number.

7 0

3 years ago