3 years ago

Solve the inequality below for z. 12z + 7 > 9z - 14

Mathematics

1 answer:

kicyunya [14]3 years ago

8 0

Answer:

b. z is less than -7

Step-by-step explanation:

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Worth 12 Points, i spent 24

rewona [7]

Answer:

$\displaystyle m^{\frac{35}{12}}n^{-\frac{28}{15}}=\frac{m^{\frac{35}{12}}}{n^{\frac{28}{15}}}$

Step-by-step explanation:

The relevant rule of exponents is ...

(a^b·c^d)^e = a^(be)·c^(de)

Then ...

(m^(5/4)·n^(-4/5))^(7/3) = m^(5/4·7/3)·n^(-4/5·7/3)

= m^(35/12)·n^(-28/15)

Since you want positive rational exponents, you can write this as ...

= m^(35/12)/n^(28/15)

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3 years ago

Sara wants to keep her phone bill under $40 each month. There is a flat fee of $34 and she is charged $0.05 per text message, t.

alukav5142 [94]

Answer:

320 messages

Step-by-step explanation:

20 messages per dollar,

20 x 16 equals 320

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3 years ago

please solve the question and show your work find the missing number in 34x =0 show how u got your answer and write full explana

Anastaziya [24]

34x=0
So we need to isolate x. Since 34 is multiplied by x, we need to isolate x by moving 34 over the equal sign. Whenever you move something over the equal sign, the opposite is done. For 34, instead of being multiplied, it will be divided.
34x=0
X=0/34
Then you solve for x
X=0
Hope this helps!

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Which of these choices is the length of the leg of a 45-45-90 triangle with a hypotenuse of 20?

Nuetrik [128]

The answer would be b.20

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