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Nimfa-mama [501]

3 years ago

12

Fei Yen's dog eats 8 ounces of dog food each day. Fei Yen bought a 28-pound bag of dog food. How many 8-ounce servings are in a

28-pound bag of dog food?

1 answer:

mash [69]3 years ago

6 0

Answer:

How many cups of food are in the 26 lb bag? There are about 4 cups per pound, so the 26 pound bag will contain approximately 104 cups.

Step-by-step explanation:

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1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15

Inessa [10]

Answer:

$\frac{4+16a^3+23a^3}{a^2}$

Step-by-step explanation:

Given

$1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15$

Required

Simplify

$1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15$

Collect Like Terms

$1/a^2 + 1/a^2 + 2/a^2-3a-5a-8a+2+6+15$

$1/a^2 + 1/a^2 + 2/a^2-16a+23$

Add Fractions:

$\frac{1+1+2}{a^2} + 16a + 23$

$\frac{4}{a^2} + 16a + 23$

This can be further expressed as:

$\frac{4+16a^3+23a^3}{a^2}$

4 0

3 years ago

Write the answer with the correct number of significant digits.<br> 47.725 ft square 8.3 ft

Temka [501]

Wat the heck is that

5 0

3 years ago

A scuba diver is diving at the constant rate and her elevation is 18 feet below sea level. 8 seconds later he elevation is 20 fe

WINSTONCH [101]

Answer:

I believe it is 120. Since you need 30 more feet to reach 50 feet below sea level, you divide by 30/2 because every 8 seconds it drops 2 feet and multiply 15 by 8 .

Not sure, but hope it helps! :)

8 0

2 years ago

What is the value of x in the equation below 6 (x - 8) equals 72

olga_2 [115]

Here is the equation:

$6(x-8)=72$

In the equation, 6 is being multiplied by x - 8. There are two ways to solve this equation.

FIRST METHOD

<h3> $6(x-8)=72$ </h3>

You need to remove the parentheses by multiplying everything in the parentheses by 6.

$6(x-8) = (6\times x) + (6 \times -8)$

Multiply:

$6 \times x = 6x\\6 \times -8 = -48$

Remember:

NEGATIVES

Negative(-) times(×) negative(-) = positive(+)

Negative(-) times(×) positive(+) = negative(-)

Negative(-) divided(÷) by positive(+) = negative(-)

Negative(-) divided(÷) by negative(-) = positive(+)

POSITIVES

Positive(+) times(×) positive(+) = positive(+)

Positive(-) times(×) negative(-) = negative(-)

Positive(+) divided(÷) by positive(+) = positive(+)

Positive(+) divided(÷) by negative(-) = negative(-)

Now combine the two values and rewrite the equation:

$6x+-48 \rightarrow 6x-48=72$

Since you're looking for x alone, you will need to remove the -48. This can be done by adding 48 to both sides, -48+48=0, which cancels it out).

$6x-48+48=72+48\\6x=120$

Lastly, divide both sides by 6 to leave x alone.

$\frac{6x}{6} = \frac{120}{6}$

$x=20$

SECOND METHOD

While the first step is somewhat complicated, there is a much easier way.

$6(x-8)=72$

Start by dividing both sides by 6 to remove the number next to the parentheses.

$\frac{6(x-8)}{6} =\frac{72}{6}$

$x-8=12$

(The 6 is cancelled out since 6 divided by 6 equals 1, and 1 × any number is that number).

Now you need to leave the variable alone, which can be done by adding 8 to both sides(-8+8=0 and -8 is cancelled out).

$x-8+8=12+8\\$

$x=20$

Either method can be used, but the second one is definitely shorter!

The answer is x = 20.

8 0

3 years ago

Read 2 more answers

A number is less than 100. The number has 12 and 15 as factors.

miss Akunina [59]

Wouldn’t it be 60? 60 has both 12 and 15 as factors and is less than 100. 12 x 5 = 60 and 15 x 4 = 60.

7 0

3 years ago