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just olya [345]
3 years ago
14

Plzzz tell me the answer and working out

Mathematics
1 answer:
postnew [5]3 years ago
3 0
1. we know she needs 3 packs of biscuits
2. Shop A you only need to pay for 2 packs
3. Shop B you only need to pay for 2 packs
4. Shop C you need to pay for all three
5. so we know C is out of the option.
1.90 \times 2
so shop A and B will cost the least
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Geometry question<br> Please help answer
Bess [88]

Answer:

Step-by-step explanation:

m∠1 = 2x and m∠2 = -3x+235

angle 1 and angle 2 are supplementary angle so they add up to 180°

m∠1 +m∠2 = 180°

2x -3x+235 = 180°

-x = 180-235

x=35

m∠1 = 2x = 2*35 = 70°

m∠2 = -3x+235 = -3*35 +235 = 235-105 = 130°

8 0
3 years ago
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Delvig [45]

Answer:

f^{-1}(x) = x^{2}-6x+9 is the answer.

Step-by-step explanation:

If the function is f(x) = √x + 3

We will write the function as an equation

y = √x + 3

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x = y² -6y +9

Now we will convert the equation into a function

f^{-1}(x) = x^{2}-6x+9

Therefore the inverse function f(x) = x²-6x+9

7 0
3 years ago
Read 2 more answers
Jack and Jill are playing a game. Jack wins when a star is spun. Jill wins when a diamond is spun. Is the game fair? ______
Crank

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no

Step-by-step explanation:

because they didnt spin the same things

7 0
3 years ago
What is the reciprocal of 1 1/8
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8/11 is the reciprocal
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