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3 years ago

Which number sentence shows one way to find the sum of 4 and 5?

Mathematics

2 answers:

mr Goodwill [35]3 years ago

6 0

Answer:

4 + 4 + 1 = 9

Step-by-step explanation:

to solve this, we first find the sum of 4 and 5, which is 9.

Then, we can observe our answer choices, and see that option 4.) would be correct, because the sum still is equal to nine, even though the numbers are different from the original problem.

Mkey [24]3 years ago

5 0

Answer:

x-5=4 or simply 4+5

Step-by-step explanation:

Im not sure if this is how you mean they both have a way of showing the sum of 4 and 5.

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3 years ago

Read 2 more answers

A fuel tank contains 1 3/4 gallons of gasoline. Casey adds 33 1/3 gallons of

romanna [79]

Answer:

The gallons of gas the tank contain now is 35 1/12.

Step-by-step explanation:

Given:

Fuel tank contains 1 3/4 gallons of gasoline.

Casey adds 33 1/3 gallons of gasoline to the tank.

Now, to find the total gallons of gas the tank contain.

Converting the mixed fractions into improper.

Gallons of gasoline in fuel tank $=1\frac{3}{4}=\frac{7}{4}$ .

Gallons of gasoline Casey adds $=33\frac{1}{3} =\frac{100}{3}$ .

According to question:

By adding we get the total gallons of gasoline now tank contain:

$\frac{7}{4} +\frac{100}{3}$

$=\frac{7\times 3+100\times 4}{12}$

$=\frac{21+400}{12}$

$=\frac{421}{12}$

$=35\frac{1}{12}$

Therefore, the gallons of gas the tank contain now is 35 1/12.

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3 years ago

How can the quotient of powers law be used to show that a negative exponent is equivalent to the reciprocal

Kay [80]

Answer:Thus, (-3)-4 = 1/(-3)4.

Step-by-step explanation:

Negative exponents have the following property: n-m = 1/nm OR 1/n-m = nm

So for (-3)-4 , n= -3 and -m= -4 (or m= 4).

Thus, (-3)-4 = 1/(-3)4.

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1 year ago