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3 years ago

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2

Mathematics

2 answers:

ehidna [41]3 years ago

6 0

Answer:

8√2

Step-by-step explanation:

4√2 + 7√2 - 3√2 = (√2)(4 + 7 - 3) = 8√2

Recognize that √2 is a common factor and simply add its coefficients.

mixer [17]3 years ago

3 0

$4\sqrt2+7\sqrt2-3\sqrt2=(4+7-3)\sqrt2=\boxed{8\sqrt2}\\\\Answer:\ \boxed{\text{8\ square root of 2}}$

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A portable electronic typewriter cost £180 in 1988. Its price rose by 5% in 1989. What was the new price?

elena-s [515]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5\% of 180}}{\left( \cfrac{5}{100} \right)180}\implies 9~\hfill \stackrel{\textit{new price}}{180+9\implies 189}$

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3 years ago

What is the answer to this

____ [38]

Answer:

Step-by-step explanation:

Add up all the numbers:

3,2,2,2,1,1,1,4,2,1

Then you get 19.

Or you can say it as

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3 years ago

Is y= 5/2x - 3 and 5x = 2y - 4 parallel or perpendicular or neither?

PIT_PIT [208]

Answer:

Neither

Step-by-step explanation:

Parallel must have the same slope.

Perpendicular must have reciprocal slopes.

These two contain neither.

3 0

2 years ago

The graph of y=f(x)y=f(x) is the solid black graph below. Which function represents the dotted graph?

OlgaM077 [116]

the formula for a horizontal shift is (x-a) and this graph has moved 2 units to the left, -2, so the formula becomes (x+2)

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1 year ago

A scuba diver descends 63 feet in 18 seconds.

Elanso [62]

Answer:

3.5

Step-by-step explanation:

the answer is 3.5 because when you divide 63 and 18 you get 3.5

5 0

3 years ago