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SVEN [57.7K]
3 years ago
14

Simplify (7-6t)+(8-3i)

Mathematics
2 answers:
Blizzard [7]3 years ago
8 0
Use the power rule
a
m
a
n
=
a
m
+
n
a
m
a
n
=
a
m
+
n
to combine exponents.
−
56
+
21
i
+
48
i
−
18
i
1
+
1
-
56
+
21
i
+
48
i
-
18
i
1
+
1
Add
1
1
and
1
1
to get
2
2
.
−
56
+
21
i
+
48
i
−
18
i
2
-
56
+
21
i
+
48
i
-
18
i
2
Rewrite
i
2
i
2
as
−
1
-
1
.
−
56
+
21
i
+
48
i
−
18
⋅
−
1
-
56
+
21
i
+
48
i
-
18
⋅
-
1
Multiply
−
18
-
18
by
−
1
-
1
to get
18
18
.
−
56
+
21
i
+
48
i
+
18
-
56
+
21
i
+
48
i
+
18
Add
−
56
-
56
and
18
18
to get
−
38
-
38
.
−
38
+
21
i
+
48
i
-
38
+
21
i
+
48
i
Add
21
i
21
i
and
48
i
48
i
to get
69
i
69
i
.
−
tatiyna3 years ago
4 0
<span>Solution) i = {2.666666667, 1.166666667}


</span>
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Which word best describes the degree of overlap between the two data sets? Low, High, None, Moderate
zlopas [31]

Answer:

In case of data set given with the question, the word that best describes the degree of overlap between the two data sets is low.

Step-by-step explanation:

Overlapping of two data sets means they contain common data or they have common elements in them.  

In case of given data set, the elements are represented by 'x'.

If we compare both, the elements at line 30 and 35 overlap.

We conclude that out of 15 elements in each data set,  only two of them overlaps. Hence the degree of overlap is low.

6 0
3 years ago
2(3x−5a)+9(2a−7b)+3(5a−2x)=0
alexdok [17]

Answer:

a=63b/23, b=23a/63

7 0
3 years ago
Which number line correctly shows 4. 5 + 2. 5? A number line going from 0 to 4. 5 in increments of 0. 5. An arrow goes from 0 to
sesenic [268]

So none of the options is actually correct from the given operation of:

4.5 + 2.5

This actually would be represented with a line that goes from 0 to 4.5, and then from 4.5 to 7.

The number line should start at 0 and then move to the first number (because of the commutative property of the sum, it can move to any one of the two numbers).

Once there, it moves accordingly to the other number.

So it moves first from 0 to 4.5, then the second number is 2.5, then it moves another 2.5 units to the right until the:

4.5 + 2.5 = 7

Concluding, <u><em>it moves from 0 to 4.5, then from 4.5 to 7.</em></u>

Notice that none of the options represent this, this may be because the sign of one of the two numbers is incorrect or something like that.

For example, if we had the operation:

4.5 - 2.5

Then the line starts at 0 and then goes to 4.5, then moves left 2.5 units to 4.5 - 2.5 = 2

In this case, the correct option should be:

<u><em>"An arrow goes from 0 to 4. 5 and then backwards from 4. 5 to 2."</em></u>

<u><em /></u>

<u><em /></u>

If you want to learn more about number lines, you can read:

brainly.com/question/13189025

3 0
2 years ago
Please help !!!! will mark brainliest
GarryVolchara [31]

Answer:

the answer is D :))) hope you pass this

3 0
3 years ago
16. Carlos puts 0.3 of his monthly income into savings. What percent of his money
Minchanka [31]

Answer:

70%

Step-by-step explanation:

First, convert 0.3 into a percentage;

To do so, convert it 0.3 into a fraction then multiply by 100;

0.3 into a fraction = 3/10

3/10 into a percentage = \frac{3}{10} *100

The 10 at the bottom cancels out one zero at the top and you are left with 30.

Therefore percentage in Carlos' monthly savings is  = 30%

Next, calculate the percentage NOT put in savings

percentage NOT put in savings = 100% - percentage in savings;

That is ; 100% -30% =70%

Hence, 70% of his income is not put into savings.

3 0
3 years ago
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