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Tasya [4]
3 years ago
6

You randomly select one card from a​ 52-card deck. Find the probability of selecting a black six or a black eight.

Mathematics
1 answer:
sweet [91]3 years ago
7 0
Since there are 2 black sixes and 2 black eights in a typical deck of 52 cards, the probability of choosing one of those 4 out of 52 is 4/52 or 1/13.
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Two cars are 190 miles apart and travel toward each other along the same road. They meet in 2 hours. One car travels 5 miles per
horrorfan [7]

The speed of slower car is 45 mph and faster car is 50 mph.

Step-by-step explanation:

Given,

Distance covered by both cars = 190 miles

Time taken by both of them = 2 hours

Let,

x be the speed of slower car.

Speed of faster car = x+5

Combined speed = x+x+5 = 2x+5

We know that;

Distance = Speed * Time

190=(2x+5)*2\\190=4x+10\\4x=190-10\\4x=180\\

Dividing both sides by 4

\frac{4x}{4}=\frac{180}{4}\\x=45

Speed of slower car = 45 miles per hour

Speed of faster car = 45+5 = 50 miles per hour

The speed of slower car is 45 mph and faster car is 50 mph.

Keywords: speed, distance

Learn more about speed at:

  • brainly.com/question/909731
  • brainly.com/question/902892

#LearnwithBrainly

6 0
3 years ago
Anna divided a sheet of paper into 5 equal sections and colored 3 sections blue . What percent is that and it =60
Dimas [21]

Answer:

she colored in 60% of the paper blue and left 40% of the paper blank

Step-by-step explanation:

8 0
3 years ago
2x + 5y = 16<br> y + 4x = 3
masha68 [24]

Answer:

If your solving for x on the first one it’s x =−5/2y+8

If your solving for y on the second one it’s y =−4x+3

Step-by-step explanation:

5 0
3 years ago
Please help me with this wirk​
user100 [1]
I can’t answer this question because I can’t see the model
7 0
3 years ago
Use the rules of negative numbers to calculate -6 + -6 - -2
yaroslaw [1]
-6+ -6- -2
Adding a negative is the same as subtracting a positive.
-6 - 6 - -2
Subtracting a negative is the same as adding a positive.
-6 - 6 + 2
Subtracting a number from a negative number is like adding the positive numbers, just remember to put the negative sign in front of the number.
-12 + 2
Adding a positive number to a negative number is like subtracting a positive from another positive, but don't forget the negative sign when you're done.
-12 +2 = -10

4 0
3 years ago
Read 2 more answers
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