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3 years ago

Anna lives 9 blocks from school. How many blocks does she walk to school in 3 days

Mathematics

2 answers:

netineya [11]3 years ago

8 0

Multiply 9 by 3

she walks 27 blocks in three days

vovikov84 [41]3 years ago

4 0

If you mulitiply 9x3
You would get 27
So she walks 27 blocks

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A standard deck of cards contains 52 cards. One card is selected from the deck.

Anastaziya [24]

Answer:

1) Probability of randomly selecting a diamond or club = $\frac{1}{2}$

2)Probability of randomly selecting a diamond or club or heart = $\frac{3}{4}$

3) P(selecting a five or club) = $\frac{4}{13}$

Step-by-step explanation:

Total cards in the deck = 52

Noe Let E : favorable Event

So, $P(E) = \frac{\textrm{Number of Favorable outcomes}}{\textrm{Total outcomes}}$

1 ) Probability of randomly selecting a diamond or club

Here the favorable event is picking a club or diamond

hence, favorable outcomes = Number of club and diamond

= 13 + 13 = 26

⇒P(selecting a diamond or club) = $\frac{26}{52} = \frac{1}{2}$

2) Probability of randomly selecting a diamond or club or heart

Here the favorable event is picking a diamond and club and heart.

hence, favorable outcomes = Number of clubs + diamond + heart

= 13 + 13 + 13 = 39

⇒P(selecting a diamond or club or heart) = $\frac{39}{52} = \frac{3}{4}$

3 )Probability of randomly selecting a five or club.

Here the favorable event is selecting a five or club.

hence, favorable outcomes = Number of 5 in a deck + Number of clubs

= 3 + 13 = 16

⇒P(selecting a five or club) = $\frac{16}{52} = \frac{4}{13}$

3 0

3 years ago

You are planning your week-end schedule. You can spend at most 8 hours playing video games and doing homework. You want to spend

MatroZZZ [7]

The system of inequalities is:

v + h ≤ 8

v < 2

h ≥ 1.5

<h3>Which system of equations represents this situation?</h3>

Let's define the variables:

v = number of hours playing video games.
h = number of hours spent on homework.

The maximum time that you can spend on both activities is 8 hours, then:

v + h ≤ 8

You want to spend less than 2 hours on video games, so:

v < 2

You want to spend at least, 1.5 hours on homework, so:

h ≥ 1.5

Then the system of inequalities is:

v + h ≤ 8

v < 2

h ≥ 1.5

If you want to learn more about inequalities:

brainly.com/question/18881247

#SPJ1

7 0

2 years ago

5 (4z+6)-2(z-4)=2 (2w^2+7w-3)

love history [14]

If you are solving for "z", the answer is
z=2w^2+7w/10 -2

4 0

3 years ago

4. During a 12- hour period, the temperature dropped 48°. How many degrees did the temperature drop each hour.

uranmaximum [27]

Answer:

-4

Step-by-step explanation:

3 0

4 years ago

Whats 1/5 + -4 having trouble

garri49 [273]

1/5+ (-4) is the same as 1/5 - 4
1/5-20/5
-19/5

4 0

3 years ago

Read 2 more answers