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mezya [45]
3 years ago
7

Which expression is equivalent to -5+-3? -8 A -2 B 2 C 8 D

Mathematics
2 answers:
Bezzdna [24]3 years ago
6 0
The answer would be -8
Mnenie [13.5K]3 years ago
5 0

Hey there!

<h2>ANSWER:</h2>

A. -8

<h2>EXPLANATION:</h2>

If you want to know which expression is equivalent to the one given in the question, let's find the value for that.

-5+-3

This is equal to:

-8

So that means, the expression that is equivalent is A. -8.

Hope this helps!

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valentinak56 [21]

Answer:

a) False

b) False

c) True

d) False

e) False

Step-by-step explanation:

a. A single vector by itself is linearly dependent. False

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b. If H= Span{b1,....bp}, then {b1,...bp} is a basis for H. False

A sets forms a basis for vector space, only if it is linearly independent and spans the space. The fact that it is a spanning set alone is not sufficient enough to form a basis.

c. The columns of an invertible n × n matrix form a basis for Rⁿ. True

If a matrix is invertible, then its columns are linearly independent and every row has a pivot element. The columns, can therefore, form a basis for Rⁿ.

d.  In some cases, the linear dependence relations among the columns of a matrix can be affected by certain elementary row operations on the matrix. False

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3 0
3 years ago
George invited 65 students in his school to volunteer at a charity race. 39 of the students signed up to volunteer. What percent
mr Goodwill [35]

Answer:

60%

Step-by-step explanation:

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To convert a decimal to a percent, multiply the decimal by 100%...

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8 0
3 years ago
Riley rides his bicycle 1.8 km to Jillian’s house. On the way back, he takes a route that is 740 m shorter than the first route.
postnew [5]
1.8 km >> 1,800 m
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2 years ago
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62400 is what percent of 156000 
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<span>Converting decimal to a percentage: </span>
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19, cuz 4x19 is 76 and 72<76
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