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bearhunter [10]
2 years ago
12

15- pls help!!!! math pls help answer other questions too

Mathematics
1 answer:
ddd [48]2 years ago
3 0

Answer:

A

Step-by-step explanation:

The projection of vector B on unit vector a is

(B•a)a

av(unit vector of v)= 1/√2(-1,1)

u•av= 1/√2 × (-5+7)= √2

(u•av)av= √2 × 1/√2(-1,1)= (-1,1)

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Which of the following is equivalent to the expression below?
AfilCa [17]

Step-by-step explanation:

7x + 8 + 15 - 7x

Solving like terms

23

Option C is the correct answer

5 0
2 years ago
Read 2 more answers
2. Write the mixed number -5(4/9) as a fraction in three different ways. Thenwrite the mixed number as a decimal.
emmasim [6.3K]

<em>Fraction #1</em>

-5\frac{4}{9}

<em>Fraction #2</em>

-\frac{49}{9}

<em>Fraction #3</em>

-4\frac{13}{9}

<em>Fraction #4</em>

-3\frac{22}{9}

<em>Decimal:</em>

-5\frac{4}{9}\approx5.4444

Answer:

-5\frac{4}{9}

<em />

-\frac{49}{9}

<em />

-4\frac{13}{9}

<em>Decimal: 5.4444</em>

3 0
1 year ago
Shown here is the graph of which inequality? PLEASE HELPPP!
lakkis [162]
The answer to this one will be C
Hope this helps :)

3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B%5Cfrac%7B-140%7D%7B%5Csqrt%7B28%7D%20%7D" id="TexFormula1" title="\sqrt{\frac{-140}
Zanzabum

​

​
This is the answer

8 0
2 years ago
What is (2x2+6x+5) - (6x2+ 3x+5) solved ?<br>​
lana [24]

Answer:

The answer is (-8+3x). :)

3 0
2 years ago
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