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Anna [14]
3 years ago
9

Jina is saving money to buy a bike. She has $63 and is going to save an additional $9 each week. The bike costs $198. In how man

y weeks will she have
enough money to buy the bike?
(a) Write an equation that could be used to answer the question above.
First, choose the appropriate form. Then, fill in the blanks with the
numbers 63, 9, and 198. Let w represent the number of weeks.
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0

Answer:

Jina will have enough money to buy the bike in 15 weeks

Step-by-step explanation:

y = mx + b

198 = 9x + 63

Subtract 63 from both sides;

135 = 9x

Divide both sides by 9;

x = 15

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natka813 [3]

Answer:

3. The equivalent fractions are presented as follows;

\dfrac{2}{3}  =  \dfrac{2 \times 2}{3 \times 2} =\dfrac{4}{6}

4.  The equivalent fractions are presented as follows;

\dfrac{2}{3} = \dfrac{4 \times 2}{4 \times 3} =\dfrac{8}{12}

5. The reason why it works is because \dfrac{1}{8}  + \dfrac{1}{8}   =  \dfrac{1}{4}

Step-by-step explanation:

3. Based on the shaded region of the given figures, the two fractions are equivalent

Mathematically, we can show the equivalency of the two fractions as follows;

\dfrac{2}{3} =\dfrac{2}{3} \times 1 = \dfrac{2}{3} \times \dfrac{2}{2} = \dfrac{2 \times 2}{3 \times 2} =\dfrac{4}{6}

Therefore;

\dfrac{2}{3}  =  \dfrac{2 \times 2}{3 \times 2} =\dfrac{4}{6}

4. From the shaded region of the given figure, the fractions are equivalent

Mathematically, we have;

\dfrac{2}{3} =\dfrac{2}{3} \times 1 = \dfrac{4}{4} \times \dfrac{2}{3} = \dfrac{4 \times 2}{4 \times 3} =\dfrac{8}{12}

Therefore;

\dfrac{2}{3} = \dfrac{4 \times 2}{4 \times 3} =\dfrac{8}{12}

5. The amount of salt required by the recipe = 1/4 teaspoon of salt

The measure of the spoon Jonas has = 1/8 teaspoon

When Jonas adds two 1/8 teaspoons, he gets;

\dfrac{1}{8}  + \dfrac{1}{8}  = \dfrac{1 + 1}{8}  = \dfrac{2}{8}  = \dfrac{2 \times 1}{2 \times 4}  =  \dfrac{2}{2} \times \dfrac{1}{4}  = 1 \times \dfrac{1}{4} =  \dfrac{1}{4}

Therefore;

\dfrac{1}{8}  + \dfrac{1}{8}   =  \dfrac{1}{4}

Two 1/8 measuring teaspoons are equivalent to one 1/4 teaspoons and therefore Jonas is able to get the 1/4 teaspoons of salt the recipe asks for b combining two 1/8 measuring teaspoons of salt he has because 1/8 + 1/8 = 1/4.

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Step-by-step explanation: A triangle's angles have to add up to 180 degrees for it to be considered a triangle. If you were to add up 71, 41, and 68, then it would equal 180 degrees. This means that out of all the other measurements, these are the three possible angle measures that can be used to make a triangle.

(I figured this out by taking 3 random sides from the list there and adding them up to see if they equal 180.)

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<em>Hi</em><em>,</em><em> </em><em>there</em><em>!</em><em>!</em><em>!</em>

<em>The</em><em> </em><em>solutions</em><em> </em><em>in</em><em> </em><em>pictures</em><em> </em><em>will</em><em> </em><em>help you</em><em>. </em>

<em>Best</em><em> </em><em>of</em><em> </em><em>luck</em><em>.</em><em>.</em><em>.</em><em>.</em>

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