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Vlad1618 [11]
3 years ago
11

Rob is

Mathematics
1 answer:
rjkz [21]3 years ago
3 0
It will cost around 30.00 dollars
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Please help! Thank you
Gekata [30.6K]

Answer: 1. -90

Step-by-step explanation:

5xy², if x=-2 and y=-3

You substitute the value into the original expression

 5xy²

=5(-2)(-3)² ⇔ substitution

=(-10)(9) ⇔ multiply 5 and -2, and simplify (-3)²

=-90

Hope this helps!! :)

4 0
3 years ago
Read 2 more answers
Please answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!
algol13

Answer:

2 times the square root of 41

6 0
3 years ago
Read 2 more answers
What is 12 and 5/25 as a mixed number in simplest form?
KonstantinChe [14]
To start off, 5/25 is 1/5. 25 and 5 can both be divided by 5, thus it is 1/5 smiplified. Now you add 12 and it is 12 and 1/5.
5 0
3 years ago
Find the geometric mean between 4 and 1/4. Show your work.
Darya [45]

Answer:

2.125

Step-by-step explanation:

3 0
3 years ago
4.5, 9, 13.5, 18...
Sladkaya [172]

Answer:

a) Arithmetic

b) 22.5

c) 4.5

d) a_n = 4.5 + 4.5(n - 1)

e) a_15 = 67.5

Step-by-step explanation:

a) Subtract one term by the term right before it, and the difference will be the common difference.

9 - 4.5 = 4.5

13.5 - 9 = 4.5

18 - 13.5 = 4.5

Therefore, the common difference is 4.5.

b) Since the common difference is 4.5, add 4.5 to the 18 (which was the last value given). The result is 22.5.

c) We have already figured out that the common difference is 4.5.

d) The explicit formula would be a_n = a1 + d(n - 1). The first term is 4.5 and d is also 4.5, so the explicit formula is a_n = 4.5 + 4.5(n-1).

e) Plug 15 into our explicit formula for n. a_15 = 4.5 + 4.5(14). The result is 67.5.

5 0
3 years ago
Read 2 more answers
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