2 years ago

How old is Sumalee if she was 16 years old thirteen years ago?

Mathematics

2 answers:

nignag [31]2 years ago

8 0

correct me if im wrongg!!!

nlexa [21]2 years ago

7 0

Answer:

29 years old

Step-by-step explanation:

if she was 16 thirteen years ago, she would be 29 years old now (16 + 13 = 29)

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A bag contains 10 black, 15 white, and 25 blue marbles. What is the probability of randomly selecting one

gulaghasi [49]

Answer: 0.8 or 80%

Step-by-step explanation:

First find the total number of marbles:

10 + 15 + 25 = 50 marbles total

To find the number of marbles that are not black:

15 + 25 = 40 marbles that are not black

Set up ratio:

$\frac{40}{50}$ = 0.8 or 80%

4 0

2 years ago

If the point A (6,9) is translated 4 units left, then find the new coordinates of the point A.

Alex_Xolod [135]

Answer:

(2, 9 )

Step-by-step explanation:

A translation of 4 units left is equivalent to subtracting 4 from the value of the x- coordinate, that is

(6, 9 ) → (6 - 4, 9 ) → (2, 9 )

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2 years ago

Can u help me with number 2-4 plz now!!

Montano1993 [528]

Number two. Equals 4

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2 years ago

Which of the following have a common denominator of 18?

vagabundo [1.1K]

A because 2x9 equals 18 and 9x2 equals 18

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3 years ago

Can someone please help me factorize this one:<br><img src="https://tex.z-dn.net/?f=0.01y%20%7B%7D%5E%7B2%7D%20%20-%20%20%5Cfrac

Scorpion4ik [409]

First let us convert 0.01 into fraction:

$\frac{y^{2}}{100} -\frac{1}{4}$

Now we convert 100 and 4 into perfect squares as follows:

$(\frac{y}{10})^{2}-(\frac{1}{2})^{2}$

Now we use the property of :

$x^{2} -y^{2} =(x+y)(x-y)$

$(\frac{y}{10} +\frac{1}{2} ) (\frac{y}{10} -\frac{1}{2} )$

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3 years ago