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3 years ago

Select three ratios that are equivalent to 4:3 Choose 3 answers:

Mathematics

2 answers:

Keith_Richards [23]3 years ago

8 0

Answer:

Ratios that are equivalent are: 8:6, 20:15 and 32:24

Step-by-step explanation:

There are more, but those are some that I found :)

postnew [5]3 years ago

6 0

Ratios equivalent to 4:3 would be 8:6 16:12 and 24:18

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Simplify 7^-5/6*7^-7/6

DochEvi [55]

So the rule with multiplying exponents of the same base is $x^m*x^n=x^{m+n}$ . Apply this rule here:

$7^{-\frac{5}{6}}*7^{-\frac{7}{6}}=7^{-\frac{5}{6}+{-\frac{7}{6}}}=7^{-\frac{12}{6}}=7^{-2}$

Next, the rule with converting negative exponents into positive ones is $x^{-m}=\frac{1}{x^m}$ . Apply this rule here:

$7^{-2}=\frac{1}{7^2}=\frac{1}{49}$

<u>Your final answer is 1/49.</u>

So an additional rule when it comes to exponents is $x^{\frac{m}{n}}=\sqrt[n]{x^m}$

In this case, your fractional exponent, x^9/7, would be converted to $\sqrt[7]{x^9}$ . However, I had just realized you can further expand this.

Remember the rule I had mentioned earlier about multiplying exponents of the same base? Well, you can apply it here:

$\sqrt[7]{x^9}=\sqrt[7]{x^7*x^2}=x\sqrt[7]{x^2}$

Your final answer would be $x\sqrt[7]{x^2}$

3 0

3 years ago

75(1+0.2/12)^10*12 what is the answer

Alchen [17]

Answer:

545.119

Step-by-step explanation:

75 * (1 + .2/12)^10 * 12

75 * (1.016667)^10*12

Now things get a little tricky. What does 10*12 mean? I'm taking it to mean 120

75 * (1.016667)^120

75 * 7.268

545.119

8 0

3 years ago

Read 2 more answers

Antwan’s car loan is automatically deducting $150 from his bank account every month. How much will the deductions total for the

KiRa [710]

Answer:

$1,700

Step-by-step explanation:

Multiply the rate that money is being taken out at by the amount taken out at

12 x 150

4 0

3 years ago

Find the equation of the line which passes through the point (-4,12) and is perpendicular to the given line. Express your answer

Vika [28.1K]

Answer:

y = 1/7x + 88/7

Step-by-step explanation:

y = mx +b

since it is perpendicular you have to get the negative reciprocal of the slope which is 1/7

y = 1/7x + b then you would plug in your points

12 = 1/7(-4) + b and then solve for b

12 = -4/7 + b

+ 4/7

88/7 = b

y = 1/7x + 88/7

8 0

3 years ago

Which of the following is equivalent to 2-47

lara31 [8.8K]

Answer:

Step-by-step explanation:

2 minus 47 equals 45 if that's what your talking about

7 0

2 years ago