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aksik [14]
3 years ago
14

Help me please I don’t know the answer

Mathematics
1 answer:
Rom4ik [11]3 years ago
6 0

Answer:

The area of a circle is 28.26 yd 2

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Using the sine rule, calculate the length y. Give your answer to 2 s.f.​
Tpy6a [65]

Answer:

y = 9.84 mm

Step-by-step explanation:

<h2>Sine rule:</h2>

Law of sine:

   \sf \boxed{\bf \dfrac{a}{Sin \ A}=\dfrac{b}{Sin \ B}= \dfrac{c}{Sin \ C}}

    a = y

    A = 31°

   b  = 17 mm

    B = 117°

\sf \dfrac{y}{Sin \ 31^\circ}=\dfrac{17}{Sin \ 117^\circ}\\\\

          \sf y = \dfrac{17}{Sin \ 117^\circ}*Sin \ 31^\circ\\\\  y = \dfrac{17}{0.89}*0.515\\\\y = 9.84 \ mm

8 0
2 years ago
Karana's mom bought her two items using a credit card. The first item cost $258, and the second item cost $372. Later, she retur
Lelu [443]

Answer:

View explanation.

Step-by-step explanation:

The question isn't clear on whether or not you are asking if the mom or if the store is owing money to the credit card company. The store owes the full amount paid. The mom owes nothing. You can look at the images for a more detailed explanation, but it is not really needed.

Images from https://www.creditcardinsider.com/blog/happens-credit-card-bill-make-return/

7 0
3 years ago
Please help me thank u so much
alex41 [277]

Answer:

28/5= 5 3/5 15/7= 2 1/7 21/4=5 1/4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If h(x) = 2x and g(x) = 3x2 + 1, what is h(g(x))?
Lady_Fox [76]

Answer:

h(g(x))=h(3x^2+1)=2(3x^2+1)=6x^2+2

8 0
3 years ago
Pls I need help thank you
olya-2409 [2.1K]

Answer:

∠LKN and ∠JKI

Step-by-step explanation:

3 0
3 years ago
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