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GarryVolchara [31]
3 years ago
14

PLEASE AWNSER SOON IT'S DUE IN 10 MIN!

Mathematics
2 answers:
Bond [772]3 years ago
8 0

Answer:

68

Step-by-step explanation:

The triangles can be found by 2(2x2).

The smaller rectangles can be found by 2(2x6).

The bigger rectangle can be found by 8x6.

8+24+36= 68

cupoosta [38]3 years ago
3 0

Answer:

80 units

Step-by-step explanation:

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What is 5/12 + 5/12?
agasfer [191]

Answer:

\frac{5}{6}

Step-by-step explanation:

1) Join the denominators.

\frac{5 + 5}{12}

2) Simplify.

\frac{10}{12}

3) Simplify.

\frac{5}{6}

Therefor, the answer is 5/6.

and in decimal from it will be, 0.8333333.

5 0
3 years ago
A group of workers can plant 18 acres in 6 days.<br> What is their rate in acres per day?
Kamila [148]

Divide total acres by total days:

18 acres / 6 days = 3 acres per day.

The rate is 3 acres per day.

4 0
4 years ago
You bought a boat for $10,000. You have owned it for one year, and it is now worth $8,500. What is the percent decrease in your
Ede4ka [16]

Answer:

15%

Step-by-step explanation:

You find it by taking 10,000 and subtracting 8,500 and get $1,500. Now take $1500 and divide by the actual amount 10,000 and get 15%

5 0
4 years ago
Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

Step-by-step explanation:

A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes

x + y ml that is 50 ml, so

x + y = 50.

There are  0.2x ml of salt in x ml of 20% saline and 0.1y ml of salt in 10% saline. There are 0.12\cdot 50=6 ml of salt in 50 ml of 12% saline. Thus,

0.2x+0.1y=6

15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. Solve this system. From the first equation:

x=50-y

Substitute it into the second equation:

0.2(50-y)+0.1y=6\\ \\10-0.2y+0.1y=6\\ \\-0.1y=6-10\\ \\-0.1y=-4\\ \\y=40\\ \\x=50-y=50-40=10

7 0
3 years ago
What is the simplified expression for 6 (2 (y x))? 6 y 12 x 12 y 12 x 12 y 8 x 8 y 8 x
stellarik [79]

The simplified expression for 6(2( y + x)) is 12y + 12x.

Accordin to the given question.

We have an expression

6(2( y + x))

Therefore,

The simplified expression for 6(2( y + x)) is given by

6(2(y + x))

= 6(2y + 2x)          (by distributive law)

= 12y + 12x              (by distributive law)

Hence, the simplified expression for 6(2( y + x)) is 12y + 12x.

Find out more information about simplified expression here:

brainly.com/question/18077352

#SPJ4

5 0
2 years ago
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