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marissa [1.9K]
3 years ago
11

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

Mathematics
1 answer:
klio [65]3 years ago
6 0

Answer:

  1. we are told there are 8 letters, and each letter between A-H is 8 total unique letter
  2. 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
kherson [118]

Answer:

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

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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.
murzikaleks [220]
I hope this helps you

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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

7 0
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

8 0
4 years ago
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