3 years ago

Evaluate 4a + 7b + 3a – 2b for a = 4 and b = 3. 48 43 57 41

Mathematics

2 answers:

Natali [406]3 years ago

7 0

4(4) + 7(3) + 3(4) - 2(3)
(16 + 21) + (12 - 6)
37 + 6
43
Your answer is B. 43

Reil [10]3 years ago

7 0

Your answer is b hope that helps

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Step-by-step explanation:

(a)

Probability (A heart or a black card) = 13 + 26 / 52
Probability (A heart or a black card) = 39/52
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(b)

Probability (A heart or a jack) = 13 + 3 / 52
Probability (A heart or a jack) = 16/52
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Probability (A heart and the ace of clubs) = 13 + 1 / 52
Probability (A heart and the ace of clubs) = 14/52
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Probability (A 9 or a jack) = 4 + 4 / 52
Probability (A 9 or a jack) = 8/52
Probability (A 9 or a jack) = 2/13

(e)

Probability (The 9 of hearts or a jack) = 1 + 4 / 52
Probability (The 9 of hearts or a jack) = 5/52

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