3 years ago

Which statement is true about the lines?

Mathematics

1 answer:

hammer [34]3 years ago

6 0

Answer:

C. the lines are perpendicular

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Bacteria triples every hour. How much bacteria will there be after two days if they started with 13,000 bacteria.

timofeeve [1]

13,000 • 3 = 1 hour = 39,000
Now we take the one hours worth 39,000 • 48 (hours in two days) = 1,872,000
Hope this helps!

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3 years ago

Evaluate (8^6)(8^-3)(4^-2)/2 A) 8 B) 16 C) 32 D) 64 <br><br> HELP ME

fiasKO [112]

Answer:

16,A

hope this helps :)

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3 years ago

Read 2 more answers

Find the perimeter and area of length 3cm and width 5 cm

Anni [7]

L = 5 and w = 3

Perimeter = 2(l + w)
P = 2(5 + 3)
P = 2(8)
P = 16 cm

Area = l*w
Area = 5*3
Area = 15 cm^2

4 0

3 years ago

The vertices of a triangle are P(-2, -4), Q(2, -5), and R(-1,-8). Name the vértices of the triangle after reflecting over the x-

Serga [27]

Answer:

P(-2,4)

Q(2,5)

R(-1,8)

Step-by-step explanation:

The rule for reflecting points across the x-axis is to keep the x-value the same but "negate" the y-value. So, the points above are your answers.

7 0

3 years ago

A biscuit recipe calls for 2 pounds of all purpose flour and .75 pound of butter, what would be the baker’s percentage for butte

IrinaK [193]

For this case we have the following data:

The recipe for cookies requires:

2 pounds of flour

0.75 pounds of butter

If the flour becomes the main ingredient, it will be represented by 100%.

Now, you want to know the percentage of butter, taking into account that the flour represents 100%. For this, we use a rule of three:

2 pounds of flour ------> 100%

0.75 pounds of butter ------> x

Where x represents % butter, since flour represents 100%.

So, we have:

$x =\frac{0.75*100}{2}$

$x = \frac{75}{2}$

$x = 37.5%$

Thus, butter represents 37.5% of the recipe.

Answer:

37.5%

4 0

3 years ago