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gayaneshka [121]
3 years ago
12

-(6)^-1 a.6 b.1/6 c.-1/6 d.-6 No idea what I'm doing...

Mathematics
1 answer:
Monica [59]3 years ago
7 0
-(6)^{-1} = ?
<span>Representing in fraction for the best understanding
</span>-(\frac{6}{1}) ^{-1} = ?<span>
When the exponent is negative, the inversion is made, the numerator becomes the denominator, and the denominator becomes the numerator, and the change of signal from the exponent, which was negative, becomes positive.

</span>-( \frac{1}{6} )^1 =
\boxed{\boxed{- \frac{1}{6}}}\end{array}}\qquad\quad\checkmark

Answer:
c.-1/6
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a restaurant worker used 5 loaves of wheat and 2 loaves of rye bread to make sandwiches for an event.what does the ratio 7:2 mea
kvasek [131]
The ratio  7: 2 means the total loaves of loaves to the total loaves of rye bread.

total loaves : Rye 
        7          :  2

7 0
3 years ago
How to solve part to whole?
BartSMP [9]

Divide I think divide them together
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3 years ago
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Tell which value of the variable is the solution of the equation. 6c=96; c=14,15,16,17
otez555 [7]

Answer:

c = 16

Explanation:

Do it on a calculator it'll be correct

7 0
3 years ago
How do you find the percent of a number?
Tom [10]

Answer:

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

How to Calculate Percentages

There are many formulas for percentage problems. You can think of the most basic as X/Y = P x 100. The formulas below are all mathematical variations of this formula.

Let's explore the three basic percentage problems. X and Y are numbers and P is the percentage:

Find P percent of X

Find what percent of X is Y

Find X if P percent of it is Y

Read on to learn more about how to figure percentages.

1. How to calculate percentage of a number. Use the percentage formula: P% * X = Y

Example: What is 10% of 150?

Convert the problem to an equation using the percentage formula: P% * X = Y

P is 10%, X is 150, so the equation is 10% * 150 = Y

Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10

Substitute 0.10 for 10% in the equation: 10% * 150 = Y becomes 0.10 * 150 = Y

Do the math: 0.10 * 150 = 15

Y = 15

So 10% of 150 is 15

Double check your answer with the original question: What is 10% of 150? Multiply 0.10 * 150 = 15

2. How to find what percent of X is Y. Use the percentage formula: Y/X = P%

Example: What percent of 60 is 12?

Convert the problem to an equation using the percentage formula: Y/X = P%

X is 60, Y is 12, so the equation is 12/60 = P%

Do the math: 12/60 = 0.20

Important! The result will always be in decimal form, not percentage form. You need to multiply the result by 100 to get the percentage.

Converting 0.20 to a percent: 0.20 * 100 = 20%

So 20% of 60 is 12.

Double check your answer with the original question: What percent of 60 is 12? 12/60 = 0.20, and multiplying by 100 to get percentage, 0.20 * 100 = 20%

3. How to find X if P percent of it is Y. Use the percentage formula Y/P% = X

Example: 25 is 20% of what number?

Convert the problem to an equation using the percentage formula: Y/P% = X

Y is 25, P% is 20, so the equation is 25/20% = X

Convert the percentage to a decimal by dividing by 100.

Converting 20% to a decimal: 20/100 = 0.20

Substitute 0.20 for 20% in the equation: 25/0.20 = X

Do the math: 25/0.20 = X

X = 125

So 25 is 20% of 125

Double check your answer with the original question: 25 is 20% of what number? 25/0.20 = 125

Remember: How to convert a percentage to a decimal

Remove the percentage sign and divide by 100

15.6% = 15.6/100 = 0.156

Remember: How to convert a decimal to a percentage

Multiply by 100 and add a percentage sign

0.876 = 0.876 * 100 = 87.6%

(hope this helps can i plz have brainlist :D hehe)

4 0
3 years ago
Read 2 more answers
How can you tell which function has the greatest constant of variation?
alekssr [168]

The constant of variation in a <span>direct variation </span>is the constant (unchanged) ratio of two <span>variable </span>quantities.

The formula for direct variation is

<span><span>y=kx  </span></span>(or <span><span>y=kx</span></span>)

where <span>kk</span> is the constant of variation.

Example 1:

If <span>y</span> varies directly as <span>x</span> and <span><span>y=15</span></span> when x=24,

find <span>x</span> when <span><span>y=25</span></span> .

Find the constant of variation.

<span><span><span>k=<span>y/x</span>=<span>15/24</span>=<span>5/</span></span></span></span>8y=5/8x

To find <span>x</span>, substitute <span>25</span> for y.

25=5/8x

<span><span><span>x=40</span></span></span>


The constant of variation in an <span>indirect variation </span>is the constant (unchanged) product between two variable quantities.

The formula for indirect variation is

<span><span>xy=k </span></span>(or <span><span>y=<span>k/x</span></span></span> )

where <span>k</span> is the constant of variation .

Example 2:

If it takes <span>4</span> hours at an average speed of <span>90</span> km/h to do a certain journey, how long would it take at <span>120</span> km/h?

Find the constant of variation.

<span>k</span> = speed · time

<span><span>k=90⋅4=360</span></span>

Then,

<span><span><span>time=<span>k/speed</span></span><span> =<span>360/120</span></span><span> =3 hours.</span></span></span>

6 0
4 years ago
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