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Tasya [4]
2 years ago
14

Evaluate the expression below. 20 – ||–13| + 17|

Mathematics
2 answers:
ratelena [41]2 years ago
4 0

Answer: -10

Step-by-step explanation:

  • The absolute value function |x| basically gives the non-negative values for x, where w be any real number.

The given expression  : 20-||-13|+17|

Since -13 is written in an absolute form , so |-13|=13

Then, the above expression becomes , 20-|13+17|=20-|30|

Since 30 is already a positive number , so |30|=30

Then, the above expression becomes , 20-30=-10

Hence, the final answer will be -10 .

Vladimir [108]2 years ago
3 0

Answer:

The answer would be  -10

Step-by-step explanation:

Reason would be that since -13 is surrounded by the symbol, you would make it positive 13, then add 17 to get 30. from there you can subtract 30 from 20 to get -10.

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You are choosing between two health clubs. Club A offers membership for a fee of $ 19plus a monthly fee of $ 21.  Club B off
11111nata11111 [884]

Answer:

For 2 months

Step-by-step explanation:

Let after x months the cost of each health club is same,

Now, In club A,

Membership fees = $ 19,

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So, the total fees for x months = membership fees + total monthly fees for x months

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8 0
3 years ago
Determine whether the given set S is a subspace of the vector space V.A. V is the vector space of all real-valued functions defi
Nataly [62]

Answer:

Check the explanation

Step-by-step explanation:

kindly check the attached image below to Determine whether the given set S is a subspace of the vector space <u><em>(which is contained within a different vector space. So all the subspace is a kind of vector space in their own way, although it is also defined relative to some of the other larger vector space. The linear subspace is more often than not simply called a subspace whenever the situation serves to differentiate it from other types of subspaces.)</em></u> V.A

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2 years ago
Use logarithms to find the exact solution for 7(17^−9)−7=49.
ch4aika [34]
ANSWER: x = -0.082


EXPLANATION:

1. Apply logarithm to both sides of the
equation. If one of the terms has base 10,
use common logarithm, otherwise, use
natural logarithm

2. Use the different properties of logarithms
to solve for the variable.

17
-92 _ 7 = 49
7.17-92 = 56
17-92 = 8
10g17(8)
-92
2
log, 7(8)
-9
log(8)
log(17)
-9
I=
-0.082
2 of 3
Add both sides by 7
Divide both sides by 7
Convert to logarithm
Divide both sides by - 9
6 0
2 years ago
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