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3 years ago

Ratio of a to c Please answer

Mathematics

2 answers:

Dahasolnce [82]3 years ago

5 0

Answer:

Step-by-step explanation:

a/b=4/5 b/c=2/9

Ration of a to c is

a/c=4/9

kolezko [41]3 years ago

5 0

Answer:

$\frac{8}{45}$

Step-by-step explanation:

$\frac{a}{c}$ = $\frac{a}{b}$ × $\frac{b}{c}$

= $\frac{4}{5}$ × $\frac{2}{9}$ = $\frac{8}{45}$

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What is the greatest common factor of 4 and 10?

Verdich [7]

The greatest common factor of 4 and 10 is 2

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3 years ago

If p and q prime number greater than 2which of the following is not even integer ? a.p+q b.p×q c.p^2-q^2 d.p-q

egoroff_w [7]

B, because every prime number greater than 2 is odd, and the product of two odd numbers is odd.

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3 years ago

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The graph shows the temperature of ice cream in an ice chest during an overnight trip. What is the domain of this function?

mariarad [96]

Let

x-------> the number of hours

y------> the temperature in degrees Fahrenheit

we know that

For $x=0\ hours$

$y=-10\°\ F$

For $x=30\ hours$

$y=30\°\ F$

The domain of the function is the interval----------> $[0,30]$

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$-10\°\ F \leq y\leq 30\°\ F$

therefore

<u>the answer is</u>

The domain is all real numbers 0 through 30

4 0

3 years ago

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3t - 6 = 18 t = _____

Mazyrski [523]

Answer:

$3t = 18 + 6 \\ 3t = 24 \\ 24 \div 3 = 8 \\ t = 8$

Step-by-step explanation:

First we move the constant to the right and change its sign

we add the numbers and divide it by 3

and you get 8

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3 years ago

When making a fruit salad, a chef chooses 7 fruits from 10 that are in season. how many different fruit salads can the chef crea

Furkat [3]

For this example, we must combine not permutate; this because a salad in which you first use apple then tomato is the same as the one in which you use first tomato then apple, so order does not matter.

Me must do "10 combine 7" which is written by the binomial coefficient $(_{7} ^{10})$ ; in general a binomial coefficient is written by:
$(_{k} ^{n})= \frac{n!}{k!(n-k)!}$

In which $n$ and $k$ are positive integers, such that $n\ \textgreater \ k$ .

So, for this problem:
$(_{7} ^{10})= \frac{10!}{7!(10-7)!}=\frac{10!}{7!3!}= \frac{10*9*8}{3*2}=10*3*4=120$

Hence, there are 120 different ways to make the fruit salad.

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3 years ago