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Hoochie [10]
3 years ago
8

Get this right and you get brainliest

Mathematics
1 answer:
blagie [28]3 years ago
5 0

Answer:

2 1/3 planes

Step-by-step explanation:

3.5 lego planes / 60 minutes

So fraction =

3.5/60

In 40 minutes he will build x planes

So the fraction equation is:

3.5/60 = x/40

Solve:

Cross multiply =

140 = 60x

x = 2 1/3

2 1/3 planes

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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I forgot how to do this, can someone help me-
Artyom0805 [142]

Step-by-step explanation:

1) x/20 = -9

By cross multiplication,

x = -180

2) -168 = -14k

k = -168/-14

k = 12

3) -5m = -50

m = 10

4) -320 = -20n

n = 16

5) -4 = x - 5

x = 1

6) -6(-8 + n) = -54

42 - 6n = -54

-6n = -54 -52

6n = 106

n = 17.6

7) 3(x - 9) = -3

3x - 27 = -3

3x = 24

x = 8

8) 9k + 3 = -78

9k = -81

k = -9

9)4 + (n/4) = 8

By taking LCM,

16 + n/4 = 8

16 + n = 32

n = 16

10) -5r + 7 = -73

-5r = -80

r = 16

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

6 0
2 years ago
What is 6574893 + 7?????
Effectus [21]

Answer:

6574900

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=18%20310%20%E2%88%92%209%20910%20%3D" id="TexFormula1" title="18 310 &minus; 9 910 =" alt="18
Marta_Voda [28]

Answer:

8400

Step-by-step explanation:

18310 - 9910

= 8400

Hope it helps you!!

#IndianMurga(. ❛ ᴗ ❛.)

3 0
3 years ago
If the polygon is translated 3 units down and 4 units left, what will the coordinates of the new image be? Use prime notation in
Fittoniya [83]
4 units left : subtract 4 from each x coordinate 

3 units down : subtract 3 from each y coordinate 

that is how i remember it  
3 0
3 years ago
Read 2 more answers
I need help asap!!
Elza [17]

Similar triangles that have a scale ratio other than 1 are not congruent triangles.

The true statement about the proportions of the sides is \frac{AC}{DF} = \frac 52

The scale ratio is given as: 5 : 2

And the corresponding sides are given as:

  • AB and DE.
  • BC and EF.
  • CA and FD.

The above highlights mean that,

\frac{AC}{DF} = \frac{BC}{EF} = \frac{AB}{DE} = \frac 52

Hence, the true statement is \frac{AC}{DF} = \frac 52

Read more about similar triangles at:

brainly.com/question/14285697

4 0
2 years ago
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