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3 years ago

9

Which of the following does not describe an advantage of having and/or using a credit card?

1 answer:

alina1380 [7]3 years ago

3 0

Answer:

D since I had a test question of this and got it right.

Step-by-step explanation:

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Find the percent change from 70 to 42.

Evgen [1.6K]

Answer:

It decreased by 40%

Step-by-step explanation:

Percent change = 42 - 70

|70|

x 100 = -28

70

x 100 = -40

Mark me brainliest if I helped:D

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3 years ago

Determine the values of X, Y and Z on the following number line:<br> HH<br> X -11 Y 9 Z

Dmitrij [34]

-11 y 17 with z and x on the line

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3 years ago

Solve for x: 3 over 3 x plus 1 over quantity x plus 4 equals 10 over 7x .

77julia77 [94]

There is one<span> last step after getting </span>x<span> = </span>3<span>. You must check </span>x<span> = </span>3<span> in the original equation to be sure that </span>x<span> = </span>3<span> does not cause a zero denominator.</span>

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4 years ago

7. The football team has three games remaining on its schedule. At the beginning of each

docker41 [41]

Answer:

B

Step-by-step explanation:

5 0

3 years ago

Applying Properties of Exponents In Exercise, use the properties of exponents to simplify the expression.

NemiM [27]

Answer: (a) $e^3$

(b) $e^{10}$

(c) $\dfrac{1}{e^4}$

(d) $e^{4}$

Step-by-step explanation:

Properties of exponents :

1) $a^m\times a^n=a^{m+n}$

2) $\dfrac{a^m}{a^n}=a^{m-n}$

3) $(a^m)^n=a^{mn}$

4) $a^{-n}=\dfrac{1}{a^n}$

Now , we simplify the given expression using the above properties.

a) $(e^6)(e^{-3})$

$=e^{6+(-3)}$ [By property (1)]

$=e^{6-3}=e^3$ [∵ (+)(-)=(-)]

b) $(e^{-2})^{-5}$

$=e^{-2\times-5}$ [By property (3)]

$=e^{10}$ [∵ (-)(-)=(+)]

c) $(\dfrac{e^6}{e^2})^{-1}$

$=(e^{6-2})^{-1}$ [By property (2)]

$=(e^{4})^{-1}$

$=\dfrac{1}{e^4}$ [By property (4)]

d) $(e^3)^{\frac{4}{3}}$

$=e^{3\times\frac{4}{3}}$ [By property (3)]

$=e^{4}$

7 0

3 years ago