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2 years ago

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

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3 years ago

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The equation of a parabola is y=1/8x2−4x+41 .

Dafna1 [17]

Y=7............................................................................................................................................................

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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:

Step-by-step explanation:

12 + 5 = 17

17 x 4 = 68

Andrea's monthly allowance is $68.

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2 years ago

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