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Zolol [24]
3 years ago
15

In a group 120 children there are teice as many boys as girls. How many girls are there?​

Mathematics
2 answers:
Fudgin [204]3 years ago
8 0

Answer:

80 girls

Step-by-step explanation:

120/3 = 40.

40 x 2 = 80

3241004551 [841]3 years ago
6 0

Answer:

40 girls 80 boys

Step-by-step explanation:

80/2=40

40+80=120

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I NEEED HEEELLLPP
cricket20 [7]

Answer:

c) T(−1, 3) ° Rotation,180°

Step-by-step explanation:

<u><em>Explanation:</em></u><em>-</em>

<em>First we will apply transformation is </em>

<em>Rotation of 180°  then we will apply transformation is changes  </em>

<em>(x,y) to (-x ,-y)</em>

<em>a)</em>

<em>Given vertex T(  2 ,2 )</em>

<em>T( 2 ,2 )→ T( -2 ,-2)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>T( -2 ,-2) → T¹ ( -2 -1 ,-2 +3)</em>

<u><em>The new vertex is  T¹ ( -3 ,1)</em></u>

<em>b)</em>

<em>Given vertex U(  4 ,2 )</em>

<em>U( 4 ,2 )→ U( -4 ,-2)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>U -4 ,-2) → U¹ ( -4 -1 ,-2 +3)</em>

<u><em>The new vertex is  U¹ ( -5 ,1)</em></u>

<em>c) </em>

<em>Given vertex R(  3 ,5 )</em>

<em>R( 3 ,5 )→ R( -3,-5)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>R( -3 ,-5) → R¹ ( -3 -1 ,-5 +3)</em>

<u><em>The new vertex is  R¹ ( -4 ,-2)</em></u>

<em>d) </em>

<em>Given vertex S(  1 ,3 )</em>

<em>S( 1 ,3 )→ S( -1 ,-3)</em>

<em>Next we will apply rule </em>

<em>Horizontal translation left '1' units and Vertical translation up 'd' units</em>

<em>S( -1,-3) → S¹ ( -1 -1 ,-3 +3)</em>

<u><em>The new vertex is  S¹ ( -2,0)</em></u>

<u><em></em></u>

<em></em>

<em></em>

<em></em>

<em></em>

<em></em>

6 0
3 years ago
There are 7 comedy DVDs there are 4 more drama DVDs than horror DVDs there are 15 DVDs on all
pashok25 [27]

There are 6 drama DVDs and 2 horror DVDs.

15 - 7 = 8

2 + 6 = 8

6 0
3 years ago
What is the equation of a line through point (-4,5) that is perpendicular to the line with equation y=-6x+4?
Jobisdone [24]
To find the gradient of the perpendicular line, we know that we must do the negative inverse of the current line's gradient

-6x from the old line will now be 1/6x

we are given points on that line and we therefore use the points and the new gradient to find the equation of the line using this formula

y-y1=m(x-x1) where m is the gradient

input the values that we have

y-5=1/6(x--4)

rearrange

y-5=1/6(x+4)
y-5=1/6x+4/6
6y-30=x+4
6y=x+34
y=1/6x+34/6
y=1/6x+17/3
4 0
3 years ago
HELP ON NUMBER 16 PLZ
8_murik_8 [283]

okay so what you're gonna do is find the lcm (least common multiple) of four and seven (the days y'all water the plants.)

lemme get it started for ya.

7: 7, 14, 21...

4: 4, 8, 12, 16...

and once you find a number that they both have, it's your answer.

8 0
3 years ago
25 points to anybody who can solve this pls!
Svetach [21]

Answer:

Q' (2,4)

R' (3,1)

S' (5,3)

Step-by-step explanation:

When reflected across x-axis, the x-values stay the same but y-values change signs. Because you count how many points till the reflection line then same amount you have to go to the other side. But since it is saying x-axis, the reflection line is on x=0 so you just change the sign.

6 0
2 years ago
Read 2 more answers
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