4 years ago

What is the value of y? 9y=28–5y

Mathematics

2 answers:

Anna [14]4 years ago

7 0

The closest I could get was 3.1

stich3 [128]4 years ago

5 0

3.1 not trying to copy the first person but This what I got

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Minchanka [31]

Of my walk in the park i'd say 20 meters if i have to round it , if i don't have to round it , then i'd say is 19.78

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AnnZ [28]

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4 years ago

Find the missing terms in the arithmetic sequences <br> a). -45, _ , _ , _, -39 <br> b) -34,_,_,77

ANTONII [103]

Answer:

a) -45, <u>-43.5, -42, -40.5</u>, -39. f(n) = -45 + 1.5(n-1)

b) -34, 3, 40, 77. f(n) = -34 + 37(n-1)

Step-by-step explanation:

The explicit formula for an arithmetic formula can be defined as: f(n) = f(1) + d(n-1).

Where n is the number, and d is the common difference.

6 0

3 years ago

Read 2 more answers

What is the 33rd term for this arithmetic sequence... 12,7,2,-3,-8...

ANEK [815]

The difference between terms if -5, so

$a_n=a_{n-1}+(-5)=a_{n-2}+2\cdot(-5)=\cdots=a_1+(n-1)\cdot(-5)$

where $a_1=12$ , so

$a_{33}=12+(33-1)\cdot(-5)=-148$

making C the answer.

8 0

3 years ago

Carol ate 2/5 of the cake; Dima ate 3/8 of the remaining cake, mom ate the rest.

Agata [3.3K]

Answer:

9/40

Step-by-step explanation:

If Carol at 2/5 of the cake, 3/5 of the cake is left. 3/8 of 3/5 is equal to $\frac{3}{8}*\frac{3}{5} =\frac{9}{40}$

5 0

3 years ago