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VARVARA [1.3K]
3 years ago
8

Did I do these two correctly?

Mathematics
1 answer:
insens350 [35]3 years ago
6 0
Yes you did those two correctly

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0. Juan has been saving for a new bike for two months. So far, he has saved
antiseptic1488 [7]

<u>Given</u>:

Juan has been saving for a new bike for two months. So far, he has saved $150 for the bike.

The money that he has saved so far is 30% of the cost of the bike.

We need to determine the total cost of the bike.

<u>Total cost of the bike:</u>

Let x denote the total cost of the bike.

The total cost of the bike is given by

30\% \ of \ x=150

The value of 30% can be written as \frac{30}{100}

Thus, we get;

\frac{30}{100} \times x=150

Multiplying both sides by \frac{100}{30}, we have;

x=150 \times \frac{100}{30}

Simplifying, we have;

x=\frac{15000}{30}

x=500

Thus, the value of x is 500.

Hence, the total cost of the bike is $500.

3 0
2 years ago
sara buys 3 gallons of juice. she want to fill 1 pint bottles with juice. how many 1 pint bottles can sara completely fill with
Mandarinka [93]

Answer:

So Sara can fill 24 pint bottles completly with 3 gallons of juice.

Step-by-step explanation:

This question can be solved using a rule of three.

Each pint has 0.125 gallons. How many pints are 3 gallons?

1 pint - 0.125 gallons

x pints - 3 gallons

0.125x = 3

x = \frac{3}{0.125}

x = 24

So Sara can fill 24 pint bottles completly with 3 gallons of juice.

8 0
3 years ago
True or false?<br> If 3a &gt; 9, then a &gt; 27
olchik [2.2K]
False because 3x27 would equal 81 a should equal less than 27
8 0
3 years ago
In ΔABC shown below, BD over BA equals BE over BC:
Marrrta [24]

Answer:

100/2[500/5{6+(21+7-24^_)}]

7 0
1 year ago
What si another way to write the number 75?
kakasveta [241]

Answer:

7.5\text{x}10^{1}

Step by step explanation:

We have been given a number 75 and we are supposed to rewrite it using a different way. Since the given number has been written in standard notation, we can write it using scientific notation.

We know that we can write a standard number in scientific notation by moving the decimal point to the left or right and making corresponding changes to the exponent of 10. In this case, we will move the decimal point to the left by one place and raise the exponent of 10 by 1. Therefore, we get the required number in a different notation (scientific notation) as 7.5\text{x}10^{1}.

7 0
3 years ago
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