2 years ago

I am useless plz help

Mathematics

1 answer:

Alex777 [14]2 years ago

4 0

Answer: your answer is 195

Step-by-step explanation:

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Which expression is equivalent to 3x – 5?

Dvinal [7]

Answer:

2x – 4 – 1 + x

Step-by-step explanation:

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2 years ago

The total surface area of this cuboid is 112cm squared find the value of x

Liono4ka [1.6K]

Answer:

The height of cuboid is 3 cm

Step-by-step explanation:

Total surface area of cuboid = $2lb+2bh+2hl$

Length of cuboid = 10 cm

Width of cuboid = 2 cm

Let the height be x

Total surface area of cuboid = $2(10)(2)+2(2)(x)+2(x)(10)$

Total surface area of this cuboid is 112 cm squared

$2(10)(2)+2(2)(x)+2(x)(10)=112$

$40+4x+20x=112$

$40+24x=112$

$24x=112-40$

$24x=72$

$x=\frac{72}{24}$

$x=3$

Hence the height of cuboid is 3 cm

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2 years ago

At pretend highschool there are 325 boys and 275 girls.

RideAnS [48]

Answer:

13:11

Step-by-step explanation:

325:275

If divided by 5 all through, you get 65:55, then by 5 again you get 13:11

7 0

2 years ago

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Tickets to a show cost $5.50 for adults and $4.25 for students and families purchasing two adult tickets and three student ticke

Vikentia [17]

Answer:

$23.75

Step-by-step explanation:

Add 5.50+5.50

and the add 4.25+4.25+4.25

=23.75

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2 years ago

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What is the area of side A??

zimovet [89]

Side a can be broken into to rectangles having areas:

(12-8)*4 and 8*12 so the area of side A is

A=16+96

A=112cm^2

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2 years ago