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Fudgin [204]
3 years ago
5

Please help thanks in advance

Mathematics
1 answer:
alisha [4.7K]3 years ago
3 0
A) b^2 + 4b + 4
b) x^2 - 9
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A taxi cab charges $2 per mile and $1
I am Lyosha [343]

Answer:

5 miles

Step-by-step explanation:

since there were two people, 2x1=2

12-2=10

since its 2$ a mile

10 divided by 2 = 5

You're welcome

8 0
3 years ago
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There are 50 cards numbered from 1 to 50. two different cards are chosen at random. what is the probability that one number is t
d1i1m1o1n [39]
The first card has to be 25 or less, which is 50% and the next card has to be a single card, which is 1/49. This will give you the answer of 1/98
7 0
3 years ago
Can someone please help me? I keep losing points...
Setler79 [48]

Answer:

14,400

Step-by-step explanation:

i=prt

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7 0
3 years ago
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Each of the students at piano recital takes about 8 3/4 minutes to introduce themselves and play 3 songs. There are 9 students p
Tomtit [17]

For this case we have that each student takes 8 \ frac {3} {4} minutes to perform and play 3 songs. Then, we convert the mixed number to a fraction:

8 \frac {3} {4} = \frac {4 * 8 + 3} {4} = \frac {32 + 3} {4} = \frac {35} {4}

Thus, each student takes\frac {35} {4} minutes.

If there are 9 students in the recital then we have:

9 * \frac {35} {4} = \frac {315} {4} = 78.75 minutes.

Thus, the recital lasts at least 78.75 minutes.

Answer:

The recital lasts at least 78.75 minutes.

5 0
3 years ago
Using Figure 4, complete these functions.
otez555 [7]

Answer:

  • D. 21/29

Step-by-step explanation:

<u>Formulas used:</u>

  • sin θ = sin (180 - θ)
  • sin θ = opposite/hypotenuse

<u>Opposite:</u>

  • y- coordinate of given point = 21

<u>Hypotenuse:</u>

  • √x²+y² = √20²+21²= √841 = 29

<u>Then</u>

  • sin θ = 21/29

Correct choice is D

7 0
3 years ago
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