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3 years ago

What is the answer to 8x equals 16?

Mathematics

2 answers:

MrRa [10]3 years ago

7 0

The answer is x=2.

8x=16

8xdivide8=16 divide 8

X=2

uysha [10]3 years ago

6 0

Answer: x = 2

$8x=16$ Original Equation

$\frac{8x}{8}=\frac{16}{8}$ Divide both sides by 8

$x=2$ Simplify

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Solve the system of linear equations by substitution.<br> 3x + y = -9<br> y=5x+7

11Alexandr11 [23.1K]

Answer:

The solution is x = -2, y = -3

Step-by-step explanation:

Let's start with the equation 3x + y = -9

Substitute the y for 5x+7 seen in the second equation

Now you have 3x + (5x+7) = -9

Lets solve:

Let's add the x's

Now we have 8x + 7 = -9

Substracy seven from each side

Now we have 8x = -16

Now let's divide 8 on each side

Now we have x = -2

Now lets plug in -2 to the second equation

The second equation is y = 5x+7

When we plug in -2 we get y=5(-2)+7

We multiply

We now have y = -10+7

Add

y = -3

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3 years ago

What is 0.167 times 180

Agata [3.3K]

Answer:

30.06

Step-by-step explanation:

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2 years ago

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The population of California is approximately 38,040,000. The population of Texas is about 2.606 × 107. What is the approximate

liubo4ka [24]

Answer:

The total population of these two states is:

$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

Therefore, option C is correct.

Step-by-step explanation:

The population of California is approximately 38,040,000.

The population of Texas is about 2.606 × 10⁷.

Writing the population of California i.e.38,040,000 in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right side as they're after the decimal point now.

i.e.

38,040,000 = 3.804 x 10⁷

So adding 3.804 x 10⁷ and 2.606 × 10⁷

i.e.

$3.804\times \:10^7+2.606\times \:10^7$

$\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41$

Thus, the total population of these two states is:

$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

Therefore, option C is correct.

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How many 3 or 8 are in 5 over 4 <br> Please help

Ivanshal [37]

Answer:

$3 \frac{1}{3}$

Hope this helps.

Step-by-step explanation:

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3 years ago

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