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denis23 [38]
2 years ago
13

Please help 15 points!!!

Mathematics
1 answer:
Julli [10]2 years ago
3 0

Answer:

she earns $10 per hour, and can earn $1 in 6 minutes (60 min divided by $10)

Step-by-step explanation:

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Calculate the length b to two decimal places.
Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:        

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta

Upon substituting our given values in the formula we will get,

(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)  

(AC)^{2}=225+144-360\text{ cos}(106)      

(AC)^{2}=369-360(-0.275637355817)      

(AC)^{2}=369+99.22944809412    

(AC)^{2}=468.22944809412

Upon taking square root of both sides of our equation we will be get,

AC=\sqrt{468.22944809412}

AC=21.6386101238993629\approx 21.64  

Therefore, the length of b is 21.64 and option B is the correct choice.

6 0
3 years ago
Wesdfrgtygfyhujkilhiuh
3241004551 [841]

Answer:

i do not know what are your talking about.

Step-by-step explanation:

what!. that's my answer.

4 0
2 years ago
An item was bought for £3 000. It was sold for £1 800. What was the percentage loss? Please help
Gekata [30.6K]

Step-by-step explanation:

real real on the 11th July world population Day is celebrated on the table that day was across the world it is

6 0
3 years ago
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The equation of a parabola is y=1/8x2−4x+41 .
Dafna1 [17]
Y=7............................................................................................................................................................
3 0
3 years ago
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Andrea gets a monthly allowance. She first spends a fourth of her money on Target. Then, she spends $5 on food. She has $12 left
motikmotik

Answer:

68

Step-by-step explanation:

12 + 5 = 17

17 x 4 = 68

Andrea's monthly allowance is $68.

5 0
2 years ago
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