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Gnom [1K]
2 years ago
12

Find the value of x. 10 40 25

Mathematics
1 answer:
sertanlavr [38]2 years ago
3 0

Answer:

31

Step-by-step explanation:

use Pythagoras theorem to find x

X=√(40^2)-(25^2)

X= √1600-625

X=√975

x=31.22 31 approximately

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7. Consider the purchase of two cereal boxes.
AveGali [126]

Answer:

a) 0.25

b) 0.25

c) 0.0625

Step-by-step explanation:

The complete question is:

Do you remember when breakfast cereal companies placed prizes in boxes of cereal? Possibly you recall that when a certain prize or toy was particularly special to children, it increased their interest in trying to get that toy. How many boxes of cereal would a customer have to buy to get that toy? Companies used this strategy to sell their cereal.

One of these companies put one of the following toys in its cereal boxes: a block (B), a toy watch (W), a toy ring (R), and a toy airplane (A). A machine that placed the toy in the box was programmed to select a toy by drawing a random number of 1 to 4. If a 1 was selected, the block (or B) was placed in the box; if a 2 was selected, a watch (or W) was placed in the box; if a 3 was selected, a ring (or R) was placed in the box; and if a 4 was selected, an airplane (or A) was placed in the box. When this promotion was launched, young children were especially interested in getting the toy airplane.

What is the probability of getting an airplane in the first cereal box?

Since the machine randomly selects toys, each toy has the same probability of being obtained in a cereal box.

Then, the total outcomes are 4 and the probability of getting an airplane in the first cereal box is 0.25 (25%).

What is the probability of getting an airplane in the second cereal box?

Two independent events do not change the probability of occurrence of one event or another.

The probability of getting an airplane in the second cereal box is 0.25 (25%).

What is the probability of getting airplanes in both cereal boxes?

P(1°∩2°)= P(1°) × P(2°) = \frac{1}{4} \times \frac{1}{4} =\frac{1}{16}

P(1°∩2°)= 0.0625 = 6.25%

4 0
3 years ago
Mags has 2 1/4 pints of milk in her refrigerator. She lukes to have 1/4 with her oatmeal in the morning.How many bowls of oatmea
Yuliya22 [10]
9; in the two pints there are eight 1/4 pints, and the extra 1/4 makes nine 1/4 pints.
6 0
3 years ago
Read 2 more answers
Simplify the following expression a3b2 divided a2b
lesya [120]
<span><span> a3b2/a2b</span> </span>Final result :<span> ab3 </span>Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "a2"   was replaced by   "a^2".  2 more similar replacement(s).

Step by step solution :<span>Step  1  :</span><span> b2 Simplify —— a2 </span><span>Equation at the end of step  1  :</span><span><span> b2 ((a3) • ——) • b a2 </span><span> Step  2  :</span></span>Multiplying exponential expressions :

<span> 2.1 </span>  <span> b2</span> multiplied by <span>b1 = b(2 + 1) = b3</span>

Final result :<span> ab<span>3</span></span>
3 0
3 years ago
Read 2 more answers
twice the number of donuts was only 6 less than 24 times the number of cream puffs. 10 times the number of cream puffs was only
Karolina [17]

donuts and cream puffs were  45 & 4 respectively !

<u>Step-by-step explanation:</u>

Here we have , twice the number of donuts was only 6 less than 24 times the number of cream puffs. 10 times the number of cream puffs was only 5 less than the number of donuts   We need to find how many donuts and cream puffs were there . Let's find out:

Let number of donuts and cream puffs are x & y respectively ! So ,

  • twice the number of donuts was only 6 less than 24 times the number of cream puffs

According to this statement equation is :

⇒ 2x=24y-6

⇒ x=12y-3            ................(1)

  • 10 times the number of cream puffs was only 5 less than the number of donuts

According to this statement equation is :

⇒ 10y= x-5

⇒ x=10y+5               ................(2)

Equation (1) & (2) :

⇒ 12y-3=10y+5

⇒ 2y=8

⇒ y=4

Putting  y=4 in  x=12y-3  :

⇒ x = 12(4)-3

⇒ x = 45

Therefore , donuts and cream puffs were  45 & 4 respectively !

7 0
3 years ago
What is 4 1/5+3 1/10<br><br> a. 7 2/15<br> b. 7 3/10<br> c. 7 1/5<br> d. 7 1/50
Black_prince [1.1K]
7 1/5th is the anwser but thats easy your just being lazy i think
7 0
3 years ago
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