3 years ago

Please help me I’m stuck on this! first best answer gets brainliest

Mathematics

1 answer:

klio [65]3 years ago

6 0

Answer:

we are told there are 8 letters, and each letter between A-H is 8 total unique letter
So 8! is going to be the outcome.

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Find the values of x and y - i will give brainliest if right

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Answer:

itd x=68 and y=5 I apolgize if its wrong

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3 years ago

A solution has a h3o of 1x10^-3 M. What is the OH of the solution.

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4 years ago

Write the equation of the line perpendicular to 3x+y=-8 that passes through (-3,1) . Write your answer in slope-intercept form.

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3 years ago

Read 2 more answers

2. Cement has a density of 3.0 g/cm3. You must pour a cement walkway with the

Anon25 [30]

For this case we have to by definition:

$d = \frac {M} {V}$

Where:

d: It is the density

M: It's the mass

V: It is the volume

According to the data we have to:

$d = 3.0 \frac {g} {cm ^ 3}$

On the other hand we have that 1 meter is equivalent to 100 centimeters. Thus the measurements of the walkway are:

600 cm long, 100 cm wide and 10 cm thick. Looking for the volume we have:

$V = 600 * 100 * 10\\V = 600,000 cm ^ 3$

According to the formula we have:

$M = d * V\\M = 3.0 \frac {g} {cm ^ 3} * 600,000 cm ^ 3\\M = 1,800,000g$

Thus, the mass of the walkway is 1,800,000g

Answer:

1,800,000g

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4 years ago

This needs to be answered for a number line <br><br> -9=4x+3

Galina-37 [17]

Answer:

X=-3

Step-by-step explanation:

To find the unknown variable: X, we need to see how mich 4x equals to. to do this, we must first subtract 3 from both sides of the equation. The left side will be left with -12, and the right side will be left with 4x. This means:

-12=4x So...

x=-3

To check if this is right, you can subsitute this back into the equation.

4 times -3= -12. -12=3=-9

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4 years ago