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Oliga [24]
3 years ago
6

5.5 times a number is fourteen

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

x = 2.55 (rounded)

x = 2. 5454545455 (exact)

Step-by-step explanation:

We can change this sentence, into a mathematical expression and solve:

5.5 · x = 14

x = 14 / 5.5

x = 2.5454545

x = 2.55 (rounded)

Hope this helps!!

Sonja [21]3 years ago
7 0
5.5 • x = 14
14/5.5 = 2.55
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The two dice are rolled. what is the theoretical chance that they land to form a sum of 11?
Rufina [12.5K]

Answer:

Propability of getting either sum is 2/9

Step-by-step explanation:

Well, we know that there are 36 total arrangements of the two six sided die. So we have a possibility of 3,4 and 4,3. Likewise, we have a possibility of 5,2 and 2,5. We also have a possibility of 1,6 and 6,1. That takes care of the probability That you get two die that add up to 7. Now for 11, you have 5,6 and 6,5. So since you asked for the probability of getting either or, you add all the probabilities, which is 6/36+2/36=8/36=2/9. So the probability of getting either sum is 2/9.

5 0
4 years ago
What is the value of x in the equation<br> 0, when y = 15?<br> 4.
Tatiana [17]

Answer:

x =200

Step-by-step explanation:

\frac{1}{5}x - \frac{2}{3}(15) =30\\\\\frac{1}{5}x-10=30\\\\\frac{1}{5}x=30+10\\\\\frac{1}{5}x=40\\\\x = 40*5\\x= 200

8 0
3 years ago
Match the quadrilateral with the best and most complete description.
vladimir2022 [97]

Answer:

See  explanation below.

The selection of drop down arrows from top to bottom should be:

5; 4; 1; 2; 3

Step-by-step explanation:

Quadrilateral with exactly ONE set of parallel sides: Trapezoid  (option 5)

Parallelogram with 4 congruent (equal) sides and 4 right angles: square (option 4)

Quadrilateral with 2 pairs of parallel sides (notice no reference to angles between sides and constrain about similarity in side length - so this os the most general description): parallelogram (option 1)

Parallelogram with 4 right angles (notice no constrain about the length of the sides): rectangle (option 2)

Parallelogram with 4 congruent sides (notice there is no constrain about the angles between the sides): rhombus (option 3)

3 0
4 years ago
A new washing machine used 3 2/4 gallons of water per full load to clean cloths. If John washed 2 2/3 loads of clothes, how many
kumpel [21]
We know that
3 2/4  -------------> is (3*4+2)/4--------> 14/4-------> 7/2
2 2/3 --------------> is (2*3+2)/3--------> 8/3

if a new washing machine used 7/2 gallons of water ------------> one full load <span>cloths
</span> X gallons of water------------------------------------------------------> 8/3 of load cloths<span>
X=(8/3)*(7/2)---------> X=56/6------->28/3 gallons of water
28/3--------> 9 1/3 gallons of water

the answer is
 </span>9 1/3 gallons of water
7 0
3 years ago
Here are five number cards 2, 5, 7, 8,9. One of the cards is removed and the mean average of the remaining four number cards is
katen-ka-za [31]

Answer:

7

Step-by-step explanation: Trust me

8 0
3 years ago
Read 2 more answers
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