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beks73 [17]
3 years ago
15

Please help meeee! !!!

Mathematics
1 answer:
marshall27 [118]3 years ago
8 0

Answer:

c) $ 12.00

Step-by-step explanation:

$78.20 x 15%= 11.75

round up

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what is the recursive definition and explicit formula of the sequence 3, 5.5, 8, 10.5, 13, 15.5? I know the pattern is +2.5 ​
Delicious77 [7]

Answer:

a_{n} = a_{n-1} + 2.5

Step-by-step explanation:

This is an arithmetic sequence with common difference d = 2.5

The recursive formula allows any term in the sequence to be found by adding d to the previous term, thus

a_{n} = a_{n-1} + 2.5 ← recursive formula with a₁ = 3

5 0
4 years ago
Rich is driving from Philadelphia to Pittsburgh at 70 mos and Michelle is diving from Pittsburgh to Philadelphia at 65 mph if Ph
zaharov [31]
It will take about 2 hours and 15 minuets

Hope this helped!
6 0
3 years ago
Read 2 more answers
3(-X+4)=7x-8. Yeahhhh...
katovenus [111]

Hey there!☺

Answer:\boxed{x=2}

Explanation:

3(-x+4)=7x-8

Let's start by simplifying both sides. First, we distribute.

(3)(-x)+(3)(4)=7x+-8

-3x+12=7x+-8

-3x+12=7x-8

Now let's subtract 7x from both sides.

-3x+12-7x=7x-8-7x\\-10x+12=-8

Now we will subtract 12 from both sides.

-10x+12-12=-8-12\\-10x=-20

In our last/final step, we will divide both sides by -10.

\frac{-10x}{-10}=\frac{-20}{-10}

Now simplify -20/-10.

-20/-10=2

x=2

Hope this helps!

8 0
4 years ago
Determine the length of side QR in the following triangle
Jobisdone [24]

The length of the side QR in the task content can be determined as; 12.22cm.

<h3>What is the length of the third side QR?</h3>

It follows from the task content that 2 lengths and one included angle are given in the task content. It therefore follows that the length of side QR can be evaluated by the cosine rule as follows;

QR² = 13² + 4² - (2×4×13×cos70)

QR = √149.4

QR = 12.22cm

Read more on cosine rule;

brainly.com/question/23720007

#SPJ1

3 0
2 years ago
-3x+5y=-9 and 4x+8y=12
insens350 [35]

-3x + 5y = -9

4x + 8y = 12

Simplify the second,

x + 2y = 3

Times three,

3x + 6y = 9

Add to the first equation,

11y = 0

y = 0

-3x + 5(0) = -9

x = 3

Answer: x=3, y=0

4 0
3 years ago
Read 2 more answers
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