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RoseWind [281]
3 years ago
8

You are choosing between two different cell phone plans. The first plan charges a rate of 21 cents per

Mathematics
1 answer:
katovenus [111]3 years ago
5 0

Answer:

5 minutes

Step-by-step explanation:

21c=49.95+10c

subtract 10c from each side

11c=49.95

divide each side by 11

c=4.54

round to the nearest minute = 5 minutes

hope this helps

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Find the value of y, thanks! Please an explanation.
lawyer [7]
20° is the answer if you look on the other side
4 0
3 years ago
Please help fast Prefer A Expert or Above to Help Me out it’s the bottom one!
erastova [34]
<h3>Answer: 45</h3>

The value is approximate.

==========================================================

Explanation:

Focus on the upper triangle.

Label the unknown horizontal side as y

Use the pythagorean theorem to solve for y

a^2+b^2 = c^2

10^2 + y^2 = 26^2

100+y^2 = 676

y^2 = 676-100

y^2 = 576

y = sqrt(576)

y = 24

-----------

Now move to the bottom triangle

With respect to the reference angle, the side y = 24 is opposite this. The hypotenuse is unknown.

Use the sine rule to connect the two and solve for x

sin(angle) = opposite/hypotenuse

sin(32) = y/x

sin(32) = 24/x

x*sin(32) = 24

x = 24/sin(32)

x = 45.2899179551967 which is approximate

x = 45 rounding to the nearest whole number

Side x is approximately 45 cm long.

Note: make sure your calculator is in degree mode.

7 0
3 years ago
In the equation y = 39x + 50represents the number of people at a holiday dinner and y represents the total cost of
kkurt [141]

Answer:

The correct answer is - 12.

Step-by-step explanation:

Given:

Total number of people = y = 39x+50

Total amount spent y = 518

Solution:

The equation for the number of people who attended the dinner

y = 39x+50

The cost of dinner is equally divided by number of people =

then, 518 = y

placing value, 518 = 39x+50

x = (518-50)/39

= 468/39

= 12

Then number of people attended the dinner = 12

6 0
3 years ago
Alice's garden produced 14 yellow tomatoes this year. She also grew 16
Ksenya-84 [330]

Answer:

so this year she grew 14 tomatoes and 16 roma tomatoes so if u add 14 plus 16 your answer would be 30 she grew 30 tomatoes this year.

Step-by-step explanation:

6 0
4 years ago
I'm having trouble figuring out what the difference between two positive numbers are. The numbers are 3.9 and 8.3 and I'm not su
Tju [1.3M]
To find the difference between these numbers you need to subtract 8.3 - 3.9
and that equals 4.4<span />
8 0
3 years ago
Read 2 more answers
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