True or false

Mathematics

1 answer:

FromTheMoon [43]2 years ago

7 0

Answer:

false fake false false false.............

Step-by-step explanation:

.....,........................

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There are 15 students in the class and 8 are boys. What is the ratio of girls to students in the room?

cricket20 [7]

Answer:

7/15

Step-by-step explanation:

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8 0

3 years ago

The data is the number of text messages you send a day. find the mean, median, and mode of the data.

Novay_Z [31]

Answer:

6, 8, 10, 12, 18, 20

Mean: 6 + 8 + 10 + 12 + 18 + 20 = 74/6 = 12.3

Median: 11

Mode: there are no mode in the following listed numbers or data set.

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3 years ago

The formula A equals =P left parenthesis 1 plus r right parenthesis squared (1+r)2 gives the amount A in dollars that P dollars

vlabodo [156]

The interest rate is 3.5%.

EXPLANATION

We substitute the given values into the formula;

$A=P(1+\frac{r}{100})^t$

to obtain

$6427.35=6000(1+\frac{r}{100})^2$

We divide through by 6000 to obtain,

$\frac{6427.35}{6000}=(1+\frac{r}{100})^2$

This implies that,

$1.071225=(1+\frac{r}{100})^2$

We take the square root of both sides,

$\sqrt{1.071225}=(1+\frac{r}{100})$

This gives us,

$1.035=(1+\frac{r}{100})$

Add -1 to both sides of the equation to obtain

$0.035=\frac{r}{100}$

Multiply through by 100 to obtain;

$r=3.5$ %

$Therefore the rate is 3.5%$