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slava [35]
3 years ago
7

What is the value of the expression z2+3z-3 when z=6?

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
8 0

Answer:

51

Step-by-step explanation:

Order of Operations: BPEMDAS

Step 1: Define

z² + 3z - 3

z = 6

Step 2: Substitute and Evaluate

6² + 3(6) - 3

36 + 18 - 3

36 + 15

51

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The lifespans of crocodiles have an approximately Normal distribution, with a mean of 18 years and a standard
antiseptic1488 [7]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
only 6 of the 75 trees in the park are at leat 30 feet tall. what percent of the trees are over 30 feet?
ipn [44]

Answer:

   8 %

Step-by-step explanation:

To find the percent of trees that are over 30 ft tall, take the number of trees that are over 30 ft tall over the number of tree

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Change this to a percent by multiply by 100%

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4 0
3 years ago
What are rational and irrational numbers ?
lbvjy [14]
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Irrational: Not rational, any number that can't be written down as a fraction. Some examples include \pi (3.1415926...), \sqrt{2}, and so on.
6 0
3 years ago
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