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jenyasd209 [6]
3 years ago
15

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I AM SO DUMB OMG

Mathematics
1 answer:
RUDIKE [14]3 years ago
3 0

Answer:

THE CORRECT OPTION IS C) Δ RST \sim Δ UVW ; \frac{5}{6}

Step-by-step explanation:

i) ∠ WUV = ∠ TRS      ( same angle = 32 )

ii) \frac{TR}{UW}  = \frac{RS}{VU}  = \frac{15}{18} = \frac{10}{12} = \frac{5}{6} ;

Hence it is proved that

Δ RST \sim Δ UVW

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Lkm is equilateral. Solve for x if angle k=9x+24
Marta_Voda [28]

Answer:

x = 4

Step-by-step explanation:

Given that the triangle is equilateral then the measure of each angle is 60°

Equate 9x + 24 to 60 and solve for x

9x + 24 = 60 ( subtract 24 from each side )

9x = 36 ( divide both sides by 9 )

x = 4

7 0
3 years ago
In 1998, Cathy's age is equal to the sum of the four digits in the year of her birthday, then how old was Cathy in 1998?
ycow [4]

Answer:

<em>Cathy was born in 1980 and she was 18 years old in 1998</em>

Step-by-step explanation:

<u>Equations</u>

This is a special type of equations where all the unknowns must be integers and limited to a range [0,9] because they are the digits of a number.

Let's say Cathy was born in the year x formed by the ordered digits abcd. A number expressed by its digits can be calculated as

x=1000a+100b+10c+d

In 1998, Cathy's age was

1998-(1000a+100b+10c+d)

And it must be equal to the sum of the four digits

1998-(1000a+100b+10c+d)=a+b+c+d

Rearranging

1998=1001a+101b+11c+2d

We are sure a=1, b=9 because Cathy's age is limited to having been born in the same century and millennium. Thus

1998=1001+909+11c+2d

Operating

88=11c+2d

If now we try some values for c we notice there is only one possible valid combination, since c and d must be integers in the range [0,9]

c=8, d=0

Thus, Cathy was born in 1980 and she was 18 years old in 1998. Note that 1+9+8+0=18

5 0
3 years ago
Solve this problem please <br> x/3+6-2x=-6
Nikolay [14]

Answer:

36/5

Step-by-step explanation:

x/3 + 6 -2x = -6

multiply the whole equation by 3 to get rid of the denominator of the first x term.

x+18-6x = -18

move x terms to one side and numerical terms to the other, subtract 18 from both sides in this case

x+18-6x-18=-18-18

x-6x = -36

simplify

-5x = -36

divide both sides by -5 to isolate x

x = -36/-5

=36/5

3 0
3 years ago
Pls help me due in 10 mins
Charra [1.4K]

Solving as fractions, the amount of feet from each side of the wall would be: 4⅛ feet.

<h3>Solving Fractions</h3>

Given the following:

  • length of the wall = 10¾ feet
  • length of the picture = 2½ feet

Therefore:

Amount of feet from each side of the wall = [10¾ - 2½]/2

= [43/4 - 5/2]/2

= [(43 - 10)/4]/2

= 33/4 × 1/2

= 33/8

= 4⅛ feet

Therefore, solving as fractions, the amount of feet from each side of the wall would be: 4⅛ feet.

Learn more about fractions on:

brainly.com/question/17220365

7 0
3 years ago
Read 2 more answers
Divide u by 3, then multiply 7 by the result
Nostrana [21]

Answer:

( u ÷ 3) times 7

Step-by-step explanation:

Must know what u equals to find actual answer to equation.

7 0
3 years ago
Read 2 more answers
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