3 years ago

7.4 Centimeters to kilometers

Mathematics

1 answer:

Ket [755]3 years ago

7 0

Answer:

.00074 km

Step-by-step explanation:

7.4 cm * 1 m * 1km =7.4/100/100=.00074

100 cm 100m

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3 quarts of maple syrup cost $19.47. How much do 3 gallons of maple syrup cost?

Murljashka [212]

Answer:

$ 77.88

Step-by-step explanation:

1 Gallon = 4 Quarts

3 Gallons = 3*4=12 Quarts

thus (19.47/3)*12 =$ 77.88 (we know 3 quarts cost $19.47, so divide by 3 and multiply by 12 gives the result.

8 0

3 years ago

(z+6)÷3=(2z)/4 Please solve for z

frosja888 [35]

(z + 6) / 3 = 2z / 4
this is a proportion, so we cross multiply
(3)(2z) = 4(z + 6)
6z = 4z + 24
6z - 4z = 24
2z = 24
z = 24/2
z = 12 <==

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3 years ago

Read 2 more answers

What are the steps to solve √(0.2)^(−2)? (The answer is 5)

Nimfa-mama [501]

$\bf 0.\underline{2}\implies \cfrac{02}{1\underline{0}}\implies \stackrel{simplified}{\cfrac{1}{5}} \\\\[-0.35em] ~\dotfill\\\\ \left( \sqrt{0.2} \right)^{-2}\implies \left( \sqrt{\cfrac{1}{5}}\right)^{-2}\implies \left( \sqrt{\cfrac{5}{1}}\right)^{+2}\implies \cfrac{(\sqrt{5})^2}{(\sqrt{1})^2}\implies \cfrac{\sqrt{5^2}}{\sqrt{1^2}}\implies 5$