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nirvana33 [79]
2 years ago
5

you have $11.35 to buy treats for yourself and a friend. You buy 3 packs of marshmallow chicks for $1.45 each. Then u buy 2 cupc

akes for $2.29 each. Which two items below could you afford to buy with your change? bunny $1.88, egg $1.05 ,jelly beans $1.37
Mathematics
2 answers:
Alisiya [41]2 years ago
7 0

Answer:

Egg and Jelly Bans

Step-by-step explanation:

<em>*Using a calculator or otherwise*</em>

1.45 x 3 = $4.35                                           1.05(eggs)+1.37(beans)= $2.42

        +

2.29 x 2 =$4.58

              = $8.93

11.35-8.93= $2.42

lesya692 [45]2 years ago
5 0
Bunny & egg or egg & jelly beans
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DanielleElmas [232]
The correct answer is reflection
8 0
2 years ago
Angles A and B are located in the first quadrant such that sinA= 7/25 and cosB = 5/13. Determine the exact value for cos (A-B).
fomenos

Answer:

  204/325

Step-by-step explanation:

You can work this a couple of ways. We expect you are probably expected to use trig identities.

  cos(A) = √(1 -sin²(A)) = 24/25

  sin(B) = √(1 -cos²(B)) = 12/13

cos(A -B) = cos(A)cos(B) +sin(A)sin(B) = (24/25)(5/13) +(7/25)(12/13)

  = (24·5 +7·12)/325

cos(A -B) = 204/325

__

The other way to work this is using inverse trig functions. It is necessary to carry the full calculator precision if you want an exact answer.

  cos(A -B) = cos(arcsin(7/25) -arccos(5/13)) = cos(16.2602° -67.3801°)

  = cos(-51.1199°) ≈ 0.62769230 . . . . (last 6 digits repeating)

The denominators of 25 and 13 suggest that the desired fraction will have a denominator of 25·13 = 325, so we can multiply this value by 325 to see what we get.

  325·cos(A-B) = 204

so, the exact value is ...

  cos(A -B) = 204/325

8 0
2 years ago
Can someone please simplify 6r times s times 4rt?
Ahat [919]
6r × s × 4rt = (6 × 4)(r × r)(st) = 24r²st
7 0
3 years ago
Angle a is 40 work out the angle of X on the triangle
fredd [130]
50 degrees if it is a right angled triangle

4 0
3 years ago
Darcy keeps $5,000 in a bank account that does
den301095 [7]

Answer:

Amount withdrawal = $2,847.66 (Approx)

Step-by-step explanation:

Given:

Amount deposit = $5,000

Withdraws percent = 10 % = 0.1

Number of weeks = 8

Find:

Amount withdrawal

Computation:

Amount withdrawal = 5,000[1-(0.1)⁸]

Amount withdrawal = 5,000[0.56953279]

Amount withdrawal = $2,847.66 (Approx)

4 0
3 years ago
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