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borishaifa [10]
2 years ago
13

Pleaseeeeeeeeeee help meeeeee

Mathematics
1 answer:
Aloiza [94]2 years ago
4 0
The answer is c thank me later
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A card is randomly chosen from the cards in the image. Find the probability of choosing the cards with either Q or R on them.
Afina-wow [57]

The probability of choosing cards either Q or R when a card is drawn from a deck of 8 cards is 0.25.

Given that a card is randomly chosen from 8 cards shown in figure.

We have to calculate the probability of choosing either Q or R when a card is drawn from those 8 cards.

Probability means calculating the likeliness of happening an event among all the events possible. It lies between 0 and 1. It cannot be negative.

Number of cards=8

Number of repeated cards=0

Number of cards showing Q and R =1 each.

Probability of getting Q or R is P(X=Q)+P(X=R)

= 1/8+1/8

=2/8

=1/4

=0.25

Hence the probability of getting either P or Q when a card is drawn from 8 cards is 0.25.

Learn more about probability at brainly.com/question/24756209

#SPJ1

6 0
2 years ago
Look at the right-angled triangle ABC.
Nikolay [14]

Answer:

∠x = 90°

∠y = 58°

∠z = 32°

Step-by-step explanation:

The dimensions of the angles given are;

∠B = 32°

Whereby ΔABC is a right-angled triangle, and the square fits at angle A, we have;

∠A = 90°

∴ ∠B + ∠C = 90° which gives

32° + ∠C = 90°

∠C = 58°

∠x + Interior angle of the square = 180° (Sum of angles on a straight line)

∴ ∠x + 90° = 180°

Hence;

∠x = 90°

∠x + ∠y + 32° = 180° (Sum of angles in a triangle)

∴ 90° + ∠y + 32° = 180°

∠y = 180 - 90° - 32° = 58°

∠y + ∠z + Interior angle of the square = 180° (Sum of angles on a straight line)

58° + ∠z +90° = 180°

∴ ∠z = 32°

∠x = 90°

∠y = 58°

∠z = 32°

3 0
3 years ago
A rectangle with an area of 240 in2 has a length 10 inches shorter than five times its width. Which equation could be used to so
almond37 [142]
L = 5W - 10
5W = L + 10
W = 1/5(L + 10)
Area = L x W
240 = L(1/5(L + 10)
L^2 + 10L = 240(5) = 1200
L^2 + 10L - 1,200 = 0
4 0
3 years ago
Read 2 more answers
3- There are 35 cubes in 7 bowls. How many cubes in 3 bowls?
Murrr4er [49]

Answer:

3. 15 Cubes

4. 60 ft per sec , 180 ft

5. 58 yards per min

6. $7.50, $18.00

Step-by-step explanation:

3. Number of Cubes in 7 bowls = 35

Number of Cubes in 1 bowls = \frac{35}{7}

Number of Cubes in 3 bowls =\frac{35}{7} \times 3 = 15

4. Distance ran by Zebra = 420 ft

Time taken = 7 seconds

Speed = \frac{Distance}{time}= \frac{420}{7}=60 ft per sec

Hence

Distance = speed x time

Distance covered in 30 seconds = 60 x 30 = 180 Ft

5. Distance travelled = 870 yards

Time taken = 15 mins

Speed =\frac{Distance}{time}= \frac{870}{15}=58 yards per min

6. Cost of 3 pounds of apple = $4.50

Cost of 1 pounds of apple = \frac{4.50}{3}=$1.50

Cost of 5 pounds of apple = 5 x $1.50 =$7.50

Cost of 12 pounds of apple = 12 x $1.50 =$18.00

6 0
3 years ago
Can someone answer this, please? I need a bit of help on this
Aneli [31]

Answer:

x=0 or f square root of 3f/9 or -f square root of 3f/9

Step-by-step explanation:

the steps are very long but I'm pretty sure it's correct

8 0
3 years ago
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