3 years ago

Use the log table to estimate the value of log10 6.25.

Mathematics

1 answer:

True [87]3 years ago

6 0

The answer to your question is .7959

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Which expression is equivalent to -8? A=-2^-3 B=(-1/2)^-3 C=(1/2)^-3 D=2^-3

sladkih [1.3K]

Answer:

The answer is option B.

Step-by-step explanation:

$( - \frac{1}{2} ) ^{ - 3} = ( - 2) ^{3} = - 8$

Hope this helps you

4 0

3 years ago

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Write 1-2log7x as a single logarithm

slavikrds [6]

Answer:

$log_{7} \frac{7}{x^{2} }$

Step-by-step explanation:

We need to write $1 - 2log_{7}x$ as a single logarithm.

We know that

$log_{7}7 = 1$

Therefore we have:

$log_{7}7 - 2log_{7}x$

→ $log_{7}7 - log_{7}x^{2}$

→ $log_{7} \frac{7}{x^{2} }$

The solution is: $log_{7} \frac{7}{x^{2} }$

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3 years ago

What is a equivalent ratio to 7:5. A. 14:12. B.21:10. C.21:15

larisa [96]

The answer is C. This is because if you multiply 7:5 by 3, you get 21:15.

6 0

3 years ago

the volume of a rectangular prism is 4800cm3. the base is 12 cm long and 20 cm wide what is the height of the prism

Paul [167]

For prisms: V = Bh where B is the area of the Base of the prism and h is the height of the prism.

B = 12(20)
B = 240

Now let's substitute into:
V = Bh
4800 = 240h divide both sides by 240
20 = h

So the height of the prism is 20 cm

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3 years ago

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what operation do you use to convert from a larger measurement unit to a smaller measurement unit? Explain why

kolbaska11 [484]

Answer:

Use multiplication and dividing.

Step-by-step explanation:

If you want to convert to a smaller unit, you must multiply.

For example...

4 Feet to Inches:

$4 * 12 =48$ inches

2 Yards to Inches:

$2 * 3 = 6$ feet

$6 * 12 = 72$ inches

If you want to convert to a larger unit, you must divide.

336 Inches to Feet:

$336/12=28$ feet

756 Inches to Yards:

$756/12=63$ feet

$63/3=21$ yards

7 0

2 years ago