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3 years ago

Sandra writes (4x30) + (4x2) and says the quotient for 128 + 4 is 8. is she correct? explain.

Mathematics

2 answers:

Rashid [163]3 years ago

6 0

No, because the equation shows her answer. 30 and 2 combined equals 32, which is the answer. 32x4=128 and 128/4=32

Phantasy [73]3 years ago

6 0

30 x 4 is 120 plus 4 x 2 is 8 so 120 plus 80 is 200 amd 128 plus 4 is 132 so no

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Step-by-step explanation:

» x and y can only be got through using trigonometric ratios:

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${ \tt{ \cos( \theta) = \frac{adjacent}{hypotenuse} }} \\ \\ { \tt{ \cos( 45 \degree) = \frac{y}{6} }} \\ \\ { \tt{y = 6 \times \cos(45 \degree) }} \\ { \tt{y = 4.24}}$

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Step-by-step explanation:

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