3 years ago

Multiple choice A B C or D?

Mathematics

2 answers:

Free_Kalibri [48]3 years ago

6 0

Not sure but prob d. because the rest r short or don’t correlate

d1i1m1o1n [39]3 years ago

6 0

I am thinking maybe c

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Reil [10]

I think the answer is b

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3 years ago

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Help Please I am not sure how to do this?

notsponge [240]

The answer should be Step 1; 3(1+2x)-2(x+1)+5

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3 years ago

Heidi has an average score of 78 for her first six chemistry tests. If Heidi"s scores for the first four tests were 82,78,87, an

elixir [45]

Answer:

(A)74

Explanation:

Let her average score on the last two tests = x.

The six scores will now be: 82,78,87,73, x and x.

Since the average score for her first six chemistry tests = 78

$\frac{82+78+87+73+x+x}{6}=78$

We then solve for x.

$\begin{gathered} 320+2x=78\times6 \\ 320+2x=468 \\ 2x=468-320 \\ 2x=148 \\ x=\frac{148}{2} \\ x=74 \end{gathered}$

Her average score for the last two tests is 74.

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1 year ago

The marked price of an article is Rs 250 and 20% discount is allowed how much is discount amount?

serg [7]

Step-by-step explanation:

Discount amount = discount%of marked price

= 20% of 250

= 20/100x250

=Rs 50

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2 years ago

HELP ASAP PLZZZ

Sloan [31]

Its b because the equation pretty much says that is fx is gx when x is subtracted by 2

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3 years ago

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