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Mathematics

1 answer:

Luba_88 [7]3 years ago

8 0

D- all 4 sided have at least one pair of parallel sides

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Francesca is 4 years older than Winnie. If the<br> product of their ages is 45, how old is Winnie?

Arlecino [84]

Answer:

Step-by-step explanation:

Our equation is: Francesca-Winnie

In other words: 45-4

Hope this helps and have a great day!

6 0

3 years ago

Read 2 more answers

Which fraction, decimal number, and percent are equivalent?

uranmaximum [27]

Answer:

A. 2/5, 0.40, 40%

Step-by-step explanation:

To turn a fractions into a decimal divided the numerator by the denominator. 2/5=0.40.

8 0

3 years ago

Change the following decimals to fractions give your answers in their simplest form a) 0.3 b) 0.46 c) 0.075

guapka [62]

Answer:

$0.3 = \frac{3}{10}\\\\ 0.46 = \frac{23}{50} \\\\0.075 = \frac{3}{40}$

Step-by-step explanation:

To convert decimals to fractions, you look at the place of the last digit of the fraction (i.e. the digit that the farthest right from the decimal)

For 0.3, 3 is in the tenths place, so we end up with the fraction $\frac{3}{10}$

For 0.46, 6 is in the hundreths place, so before simplifying we have $\frac{46}{100}$

The GCF of 46 and 100 is 2 so we divide the fraction by $\frac{2}{2}$ to get $\frac{46}{100}$ ÷ $\frac{2}{2}$ = $\frac{23}{50}$

For 0.075, the 5 is in the thousandths place, so before simplifying we have $\frac{75}{1000}$

The GCF of 75 and 1000 is 25 so we decide the fraction by $\frac{25}{25}$ to get $\frac{75}{1000}$ ÷ $\frac{25}{25}$ = $\frac{3}{40}$

4 0

2 years ago

Find the 14th

mamaluj [8]

$n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\stackrel{\textit{term position}}{14}\\ a_1=\stackrel{\textit{first term}}{10}\\ d=\stackrel{\textit{common difference}}{-9} \end{cases} \\\\\\ a_{14}=10+(14-1)(-9)\implies a_{14}=10+(13)(-9)\implies a_{14}=-107$