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3 years ago

HELPPP PLEASEE!!! ANSWERS QUESTIONS IN RETURN!!!

Mathematics

1 answer:

Dimas [21]3 years ago

6 0

Answer:

`sis that ship looks so flawking hard

Step-by-step explanation:

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Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!

I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

15%, 25% and 70%

final solution:

52 l of 45%

This includes 0.45*52l= 23.4 l acid

Let's assume:

amount of 15% solution= x
amount of 25% solution= y
amount of 70% solution= z
and we have z=2y

so there are 2 equation:

x+y+z=52

0.15x+0.25y+0.7z=23.4

x+y+2y= 52 ⇒ x+3y= 52 ⇒ x= 52- 3y

0.15x+0.25y+1.4y=23.4

0.15x+1.65y=23.4
0.15*(52-3y)+1.65y=23.4
7.8-0.45y+1.65y=23.4
1.2y=23.4-7.8
1.2y= 15.6

y=15.6/1.2
y= 13 l

--------

x= 52- 3*13= 13 l
z= 2y= 2*13= 26 l

6 0

4 years ago

5.146 rounded to the nearest tenth

Gnom [1K]

Answer:

5.1

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What is the max number of slices of pizza can you get out out of 6 cuts?

Stells [14]

12 slices would be max

8 0

4 years ago

Read 2 more answers

The vertices of ABC are A(-2, 2), B(6,2), and CO, 8). The perimeter of ABC?

Alexxx [7]

Answer:

Perimeter = 22.809836694575

Step-by-step explanation:

A(-2, 2) ; B(6,2) ; C(0, 8)

$AB=\sqrt{\left( 6--2\right)^{2} +\left(2-2 \right)^{2} } =\sqrt{64} =8$

$AC=\sqrt{\left( 0--2\right)^{2} +\left(8-2 \right)^{2} } =\sqrt{40} =2\sqrt{10}$

$BC=\sqrt{\left( 0-6\right)^{2} +\left(8-2 \right)^{2} } =\sqrt{72} =6\sqrt{2}$

Then

The perimeter of ΔABC = AB + BC + AC

$=8+6\sqrt{2} +2\sqrt{10}$

= 22.809836694575

3 0

3 years ago

In approximately two to three sentences, explain how you would convert<br> 14/ 25<br> to a percent

Darina [25.2K]

Divide 14 by 25. Then you should get a decimal number. take the decimal number and multiply by 100 and done!

7 0

3 years ago