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mash [69]
3 years ago
7

Help pleaseeeeeeeeeeee

Mathematics
1 answer:
vitfil [10]3 years ago
5 0
C hope this helps you out
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I’ll give brainliest!
Novay_Z [31]

Answer: -1 3/4

Step-by-step explanation

just add the fractions together :)

(between the -2 and -1 1/2)

5 0
2 years ago
7x(x²-x+5) Multiply.
Sloan [31]

Answer:

7x^3 - 7x^2 + 35x

Step-by-step explanation:

7x(x^2-x+5)

7x^3-7x^2+35x

6 0
3 years ago
Can someone please help me with this.
allsm [11]

Answer:

10

Step-by-step explanation:

Given expression is |8-6 i|.

|8-6 i| is a complex expression.

The value of<em> i </em>is –1.

By definition of absolute value, |a+b i|=\sqrt{a^{2}+b^{2}}

Now, substitute |8-6 i| in the above formula.  

\Rightarrow|8-6 i|=\sqrt{8^{2}+(-6)^{2}}  (since <em>i </em>= –1)

                  =\sqrt{64+36}  (since 8^{2}=64 and                    –6^{2}=36)

                  =\sqrt{100}  (Square root of 100 is 10)

                  = 10

Hence, the value of the expression  |8-6 i| is 10.

3 0
3 years ago
V = ℓwh for ℓ. please help soon
erma4kov [3.2K]
Isolate the variable by dividing each side by factors that don't contain the variable.
l = v/wh


w
h
4 0
2 years ago
Can someone help me with this work please
tangare [24]

Answer:

-See below

Step-by.step explanation:

In the first column, on the left of the vertical line, you place the first digit of the number , then on the second row on you place the second digit.

So on the second row you have the entries:

1 | 2 2 4 representing  12, 12 and 14.

On the first  row the 2 0ne digit numbers 3 and 8 are represented by

0 | 3 8.

Similarly the last 2 rows are:

2 |  0 1 3 6

3 |  4

8 0
3 years ago
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