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Oksi-84 [34.3K]
3 years ago
12

Need help with 26,27,28

Mathematics
1 answer:
yarga [219]3 years ago
6 0
Twenty seven is b, not sure about the rest. we learn it different
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What is the value of 665,432,790
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6 million
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James rode k kilometers on his bike this week. Express the number of kilometers that Ivan rode on his bike in terms of k if he r
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13 km/hr

Step-by-step explanation:

Speed = (distance covered) / (time to cover the distance)

   ( 8.45 km)   /   (0.65 hr)

   (8.45 / 0.65)  km/hr

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2 years ago
Troy puts $200.00 into an account to use for school expenses. The account earns 7% interest, compounded annually. How much will
storchak [24]

Answer:

the final amount is = $280.51

Step-by-step explanation:

The standard formula for compound interest is given as;

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A = 280.51

Therefore, the final amount is = $280.51

7 0
3 years ago
2[5+2(8-6)] I need help
Sergeu [11.5K]
2[5+2(8-6)]
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−7x−6y=2<br> 7x+4y=−6<br> solve for x and y
ikadub [295]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:x=-2,\:y=2}

Step-by-step explanation:

\begin{bmatrix}-7x-6y=2\\ 7x+4y=-6\end{bmatrix}

\mathrm{Substitute\:}x=-\frac{2+6y}{7}

\begin{bmatrix}7\left(-\frac{2+6y}{7}\right)+4y=-6\end{bmatrix}

\begin{bmatrix}-2-2y=-6\end{bmatrix}

\mathrm{For\:}x=-\frac{2+6y}{7}

\mathrm{Substitute\:}y=2

x=-\frac{2+6\cdot \:2}{7}\\\\x=-2

5 0
2 years ago
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