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pav-90 [236]
2 years ago
10

A child has toy blocks that contain the numbers 1 through 80. What is the probability that the will pick up a number that is

Mathematics
1 answer:
Tju [1.3M]2 years ago
5 0

Answer:

73/80

Step-by-step explanation:

multiples of 11 between 1 and 80 are 11,22,33,44,55,66,77

number of terms=7

P(multiple of 11)=7/80

P(not a multiple of 11)=1-7/80=73/80

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The value of x in the equation 4^(2x+5)=8^(3x)
Roman55 [17]
4⁽²ˣ ⁺ ⁵⁾ = 8³ˣ

But 4 = 2²  and 8 = 2³

4⁽²ˣ ⁺ ⁵⁾ = 8³ˣ

2²⁽²ˣ ⁺ ⁵⁾ = (2³)³ˣ

Multiply out the powers, also since the
 
 2⁴ˣ ⁺ ¹⁰ = 2⁹ˣ

Since the bases are the same, hence the powers are also the same.

4x + 10 = 9x

4x - 9x = -10

-5x = -10

x = -10/-5

x = 2

Hope this explains it.
3 0
3 years ago
13 divided by 1209 please help
loris [4]
The answer is 93 It’s 1209 divided by 13 not 13 divide by 1209 ;) hope this helps ! Because when we’re dividing the number get smaller and when we multiplying the number gets bigger , have a nice day !
5 0
1 year ago
Simplify 81.56 + n - 2.55.<br><br> 79.10 - n<br> 79.01 + n<br> 81.56 - 2.55n
vitfil [10]

Answer:

79.01 + n

Step-by-step explanation:

81.56 + n - 2.55

Put like terms together.

81.56 - 2.55 + n

Solve.

81.56- 2.55

= 79.01

Add all values together and add n in the end.

79.01 + n

Therefore the answer is 79.01 + n

4 0
3 years ago
Can someone help me with this math
astra-53 [7]
Equal them to each other and you get that x=7
6 0
2 years ago
Only answer this if you have an explanation and if you know what the answer is.
Klio2033 [76]

Answer:

G

Step-by-step explanation:

Since there are 50 students being asked, to find a percentage, put the output (the number of students that chose each genre) and the input (the number of students asked all together) in ratio form as a fraction. You will get the fractions 10/50, 16/50, 20/50, and 4/50. Multiply each denominator by two to get the percentage. You will get 20/100, 32,/100, 40/100, and 8/100. If you look at the four answers provided, you can cross out J immediately because it shows that "Other" was the greatest percentage, when it is in fact the smallest. H can be crossed out as well, since the percentage for "Mystery" is over 20% when it should be exactly at 20%. F can be crossed out as well because it shows that "Other" takes up 10%, when it is actually a bit less, 8%. G is the best choice because the percentage that "Other" takes up is a bit less than 10%, so it's safe to say that it shows 8%.

8 0
3 years ago
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