3 years ago

Each question Sandra answers incorrectly changes her overall score by – 3/4 points. Sandra's

Mathematics

1 answer:

Arisa [49]3 years ago

5 0

Answer:

i believe it is -5 1/4

Step-by-step explanation:

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Help please ...................

GarryVolchara [31]

Answer:

$2( \frac{1}{2}5 \times 6.4) + 2( \frac{1}{2} 5 \times 12.4) \\ = 2(16) + 2(31) \\ = 32 + 62 \\ = 94m ^{2}$

6 0

3 years ago

Read 2 more answers

What's the rule for this table:<br>x=4 , y=12

irga5000 [103]

Answer:

y=3x

Step-by-step explanation:

that would be my guess

hope this helps!!!

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%285%5E%7B3%7D%29%5E%7B-3%7D" id="TexFormula1" title="(5^{3})^{-3}" alt="(5^{3})^{-3}" align="

morpeh [17]

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

$( { {5}^{3} })^{ - 3} \\ \\ which\:means \:that \: {5}^{3}\: is \:multiplied \:thrice\: with\: itself\\ \\ = {5}^{3 \times - 3} \\ \\ = {5}^{ - 9} \\ \\= \frac{1}{ {5}^{9} } \\ \\ = \frac{1}{5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5} \\ \\ = \frac{1}{1953125}$