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3 years ago

11

How do you express 43.7% as a decimal?

2 answers:

maksim [4K]3 years ago

8 0

43.7 % is equivalent to 0.437 .

vampirchik [111]3 years ago

8 0

You move the decimal 2 spaces to the left and drop the percentage sign. a cool trick is to count when you do it. move the decimal once say "tens" then move it twice say "hundreds" same goes for thousands and so on. your answer should look like this .437
or if rounded .44

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Which is the prime factorization of 40?

Lana71 [14]

Hey there!

Which is the prime factorization of 40?

Option A.

2 * 5

= 2 + 2 + 2 + 2 + 2

= 4 + 4 + 2

= 8 + 2

= 10

Option B.

2^3 * 5

= 2 * 2 * 2 * 5

= 4 * 2 * 5

= 8 * 5

= 40

Option C.

2 * 53

= 53 * 2

= 53 + 53

= 106

2 * 3 * 5

= 6 * 5

= 6 + 6 + 6 + 6 + 6

= 12 + 12 + 6

= 24 + 6

= 30

Therefore, your answer is:

Option B. 2^3 * 5

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

4 0

1 year ago

Which of the following is an extraneous solution of the square root of -3x-2=x+2

yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

$\sqrt{-3x-2} =x+2$

squared both sides

$-3x-2=(x+2)^2$

$-3x-2=x^2+4x+4$

$x^2+7x+6=0$

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

<u><em>Verify each solution</em></u>

substitute the value of x in the original expression

For x=-6

$\sqrt{-3(-6)-2} =-6+2$

$\sqrt{16} =-4$

$4=-4$ ----> is not true

so

Is an extraneous solution

For x=-1

$\sqrt{-3(-1)-2} =-1+2$

$\sqrt{1} =1$

$1=1$ ----> is true

so

Is the solution

4 0

3 years ago

Kitty [74]

Answer:

C.

hope it help^_^(♡˙︶˙♡)

5 0

2 years ago

Base: 11 m, area: 1115.5 m2

Marina86 [1]

101.4

$1115.5 \div 11 = 101.4$

8 0

2 years ago

(-4,-6) and (3,-7) find the distance between each pair of points

Vlad [161]

Answer:

$5\sqrt{2}$

Step-by-step explanation:

distance between two points:

$d = \sqrt{(x_{2}-x_{1})^{2}+ (y_{2}-y_{1})^{2}}$

we have:

(-4, -6), (3, -7)

$x_{1} = -4$

$y_{1} =-6$

$x_{2} = 3$

$y_{2} =-7$

so we have:

$d =\sqrt{(3-(-4))^{2}+ (-7-(-6))^{2}}\\\\d =\sqrt{(7)^{2}+ (-1)^{2}}\\\\d = \sqrt{49+ 1}\\\\d=\sqrt{50}\\\\d=5\sqrt{2}$

4 0

2 years ago

Read 2 more answers