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Anit [1.1K]
3 years ago
7

Raina bought three books at a bookstore. Here are their prices (in dollars). 18.8, 4, 9.38 What is the total amount Raina paid a

t the bookstore?
Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

$32.18

Step-by-step explanation:

It's really just addition. No explanation necessary.

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The answer to this question please.
Sunny_sXe [5.5K]

Answer:

Part A) y=1,100x + 4,500

Part B) 14,400

Step-by-step explanation:

Part A)

There is a base fee of $4,500, meaning that the line begins at y=4500 (i.e. The y-intercept is [0,4500], so 'b' in y=mx+b is 4,500). There is a $1,100 hourly rate, which is proportional to the value of x, the amount of hours filmed. Therefore, 'm' in y=mx+b is $1,100.

Thus, the final equation looks like:

y= 1,100x + 4,500

Part B)

x=9

y=1,100x+4,500

y=1,100(9)+4,500

y=9,900+4,500

y=14,400

4 0
2 years ago
To support a tree damaged in a storm, a 12-foot wire is secured from the ground to the tree at a point 10 feet off the ground. T
VARVARA [1.3K]

Answer:

(D)56.4

Step-by-step explanation:

According to the question, Let AB=10, AC=12 and m∠B=90°.

Thus, from ΔABC, using trigonometry, we have

\frac{AB}{AC}=sinx

\frac{10}{12}=sinx

\frac{5}{6}=sinx

sinx=0.83

x=sin^{-1}(0.83)

x=56.4

Therefore, at x=56.4 the wire meet the ground.

8 0
3 years ago
Suppose that an airplane is currently flying at an altitude
dsp73

Answer:

i just want points

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which inequality represents the situation ten less than a number is a minimum of 30?
Shkiper50 [21]

Answer:

x - 10 ≥ 30

Step-by-step explanation:

I'm 99.8% sure

It says 10 less than a number so that means subtract 10 from a number

Then it says minimum of 30 so that means the number has to be 30 or more so that's why I use the more than of equal to sign.

Hope this helps!

6 0
3 years ago
find compound interest paid when a sum of Rupees 10,000 is invested for 1year & 3 months at 17/2% per annum compounded annua
Naddika [18.5K]

Answer:

Rs 1,073.56

Step-by-step explanation:

The computation of the compound interest is shown below:

Compound interest = Principal (1 + rate of interest)^time period - Principal

= Rs 10,000 × (1 + 17 ÷ 2%)^1.25 - Rs 10,000

= Rs 10,000 × (1 + 0.085)^1.25 - Rs 10,000

= Rs 11073.56 - Rs 10,000

= Rs 1,073.56

The 1.25 come from

1 year & 3 months

= 5 by 4

4 0
3 years ago
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