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3 years ago

12

On a number line, between which two consecutive whole numbers would 78 be located?

1 answer:

natali 33 [55]3 years ago

6 0

Answer:

C ; 7 and 8

Step-by-step explanation:

The correct question is as follows;

On a number line, between which two consecutive whole numbers would 7.8 be located?

Solution

Here, we want to know between which consecutive whole numbers will 7.8 be located .

As we know, 7.8 is a decimal, it is same as 7 + 0.8

It is greater than 7 but less than 8;

Thus it is between 7 and 8

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Bob rolls a fair six-sided die each morning. If Bob rolls a composite number, he eats sweetened cereal. If he rolls a prime numb

hammer [34]

Bob eats a 171 days sweetened cereal and 194 days he eat unsweetened cereal.

According to the statement

we have given that the Bob rolls a composite number, he eats sweetened cereal. If he rolls a prime number, he eats unsweetened cereal.

and we have to find that the expected value of the difference between the number of days.

So, the total number of days in a year is 365 days.

Chance to get a prime number on a die = 3/6

Chance to get a prime number on a die = 1/2.

and chances to get a composite number = 2/6

chances to get a composite number = 1/3

and chances to get a 1 on a die = 1/6.

Then the expected value =

so, expected value = 365(1/6) + 365(1/3) + 365(1/2)

then after calculating

Expected value = 1+2+1

then the value become is 4

and by this way he eat 171 days sweet cereal and other days he eat unsweetened.

So, Bob eats a 171 days sweetened cereal and 194 days he eat unsweetened cereal.

Learn more about Expected value here brainly.com/question/15858152

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3 0

1 year ago

Ashley is choosing a popsicle from the freezer at random the probability of her picking a grape popsicle is 3/8 the probability

netineya [11]

If an experiment has $N$ possible outputs, each with probability

$P_1,\ P_2,\ldots,\ P_N$

then the sum of all probabilities is always one:

$P_1 + P_2 + \ldots + P_N=1$

So, in your case, you have

$P(\text{grape}) + P(\text{cherry}) + P(\text{orange}) = 1$

plugging in the given values:

$\dfrac{3}{8} + \dfrac{1}{3} + P(\text{orange}) = 1 \iff \dfrac{17}{24} + P(\text{orange}) = 1$

we can deduce that

$P(\text{orange}) = 1-\dfrac{17}{24} = \dfrac{7}{24}$

8 0

3 years ago

Expand and simplify 5(y-2) 2(y-3)

Julli [10]

(5y-10)(2y-6)
10y-30y-20y+60
-40y+60

Hope that helps!

7 0

3 years ago

5/2(6w-16)=18w-(3w+40) Pls help

Dovator [93]

5/2(6w - 16) = 18w - (3w + 40)

15w - 40 = 15w - 40

this equation is true.

6 0

2 years ago

Read 2 more answers

If f(x)= x2 - 4x - 4, find the input values that make the function 0.

olchik [2.2K]

Step-by-step explanation:

f(x) = x² - 4x - 4

the general formula for solving such a quadratic equation (for f(x) = 0) is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = -4

c = -4

x = (4 ± sqrt(4² - 4×1×-4))/(2×1) = (4 ± sqrt(16 + 16))/2 =

= (4 ± sqrt(2×16))/2 = (4 ± 4×sqrt(2))/2 = 2 ± 2×sqrt(2)

x1 = 2 + 2×sqrt(2)

x2 = 2 - 2×sqrt(2)

6 0

2 years ago