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natulia [17]
3 years ago
10

Name a pair of complementary angles in the diagram above.

Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer:

7&9

Step-by-step explanation:

Really, its just because, that's my explanation.

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In ΔIJK, k = 57 inches, i = 37 inches and ∠J=141°. Find ∠I, to the nearest degree.
Sonbull [250]

Answer:

<I= 15degrees

Step-by-step explanation:

Using the cosine rule formulae;

j² = i²+k²-2i cos <J

j² = 37²+57² - 2(37)(57)cos <141

j² = 1369+ 3249- 4218cos <141

j² = 4618- 4218cos <141

j² = 4618-(-3,278)

j²= 7,896

j = √7,896

j = 88.86inches

Next is to get <I

i² = j²+k²-2jk cos <I

37² = 88.86²+57² - 2(88.86)(57)cos <I

1369 = 7,896.0996+ 3249- 10,130.04cos <I

1369 = 11,145.0996 - 10,130.04cos <I

1369 - 11,145.0996 = - 10,130.04cos <I

-9,776.0996=- 10,130.04cos <I

cos <I =9,776.0996 /10,130.04

cos<I = 0.96506

<I = 15.19

<I= 15degrees

8 0
2 years ago
|-4y+2z|-7z z=-9 and y=2
Vesnalui [34]

Answer:

 37 sorry if i calculated wrong

step-by-step explanation:

5 0
3 years ago
Given ON, what is measure of arc AC?*<br> оооо
kompoz [17]
138 is the measure of AC
5 0
3 years ago
Help plsss A sign in a bakery gives these options: 12 cupcakes for $29, 24 cupcakes for $56, and 50 cupcakes for $129 a) Find ea
xxTIMURxx [149]

Answer:

A) $2.42, $2.33, $2.58

B) The best deal is 24 cupcakes for $56

Step-by-step explanation:

5 0
3 years ago
Mrs Jenkins is buying pizza for the soccer team after practice. She estimates that each player will eat three eighths if a pizza
____ [38]

Answer:

6 3/8 pizzas

Step-by-step explanation:

She estimates that each player will eat three eighths if a pizza and there are 17 players.

Therefore, we have to multiply 3/8 by 17:

3 / 8 * 17 = 6.375 pizzas = 6 3/8 pizzas

They will eat 6 3/8 pizzas.

3 0
3 years ago
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