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lyudmila [28]
3 years ago
7

Chris joined a website that offers a special rate for music downloads to its members. The membership costs $19.95 and then you c

an download albums for $3.95 each. At the end of a year, Chris has spent $63.40 on the site. What equation can be used to find how many albums Chris downloaded during the year, a ?
Mathematics
1 answer:
miss Akunina [59]3 years ago
7 0
I believe this would be your answer. 

Let 'a' repersent the number of albums downloaded.  
$19.95 + ($3.95 * a) = $63.40

I hope this helps!
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I need with #10, please?
777dan777 [17]

Answer:

h=7ft

Step-by-step explanation:

sinФ=opposite/hypotenuse

sin45°=5/h

0.71=5/h

multiply via by h

0.71h=(5/h)h

h cancel h it remains 5

0.71h=5

divide through by 0.71

0.71h/0.71=5/0.71

h=7.04ft

h=7ft approximately



4 0
3 years ago
Wegnerkolmp or someone who can explain this to me
netineya [11]

Answer:

m<CDE=66 degrees.

Step-by-step explanation:

(1) Extend the segment DC so it intersects with line BA. Call the intersection F.

(2) Consider triangle BCF. In here, we are given m<ABC=24 deg. Since m<BCD = 90 deg, we known that m<BCF = 90 deg. Knowing two angles in the triangle BCF lets us determine the rhird angle m<BFC = 180-90-24 = 66 deg.

(3) Because of the fact that AB || DE and the fact that line DF intersects AB and DE, the angles <BFC and <CDE are congruent. Therefore m<CDE=66 deg.


3 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Nikitich [7]

Answer:   B. (-4, 0)

<u>Step-by-step explanation:</u>

The question is: when is the <u>function</u> constant?

function is also called f(x), which is also called "y".

So the question is asking: when is the y-value constant?

the y-value is constant (not increasing or decreasing) between x = -4 and x = 0. So the interval is (-4, 0)

7 0
2 years ago
What is the degree of this polynomial? 8x^6-10x+9
gtnhenbr [62]
The degree is the biggest power present in an equation.
The first is 6.
The second is 5.
Be careful with equations that aren't fully expanded.
Hope this helps
3 0
3 years ago
The hypotenuse of a 30- 60- 90 triangle has length 17. what is the length of the side opposite the 60 angle? if necessary, round
oksano4ka [1.4K]
Side opposite 30 = 1/2(hypotenuse) ⇒ 1/2(17) = 8.5
Side opposite 60 = \sqrt{3}(side opposite 30) ⇒ 8.5 \sqrt{3} = 14.72 when rounded 2 decimal places
8 0
3 years ago
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