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3 years ago

Can you help, please!!!

Mathematics

1 answer:

Mashutka [201]3 years ago

8 0

Answer:

25 is 28.5

Step-by-step explanation:

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Simplify: -1/2(6n+4) +2n - 5

Maurinko [17]

Answer:

Step-by-step explanation:

$\frac{-1}{2}(6n+4)+2n-5 \\\\\frac{-1}{2}2(3n+2)+2n-5\\ -(3n+2)+2n-5\\-3n-2+2n-5\\-n-7$

5 0

4 years ago

PLEASE HELP I WILL MARK BRAINLIEST!!!!

guapka [62]

Answer:

Math-way

Step-by-step explanation:

I'd do it for you right now if you wanted but it'd be much faster if you did it, It's is perfect for this problem

8 0

3 years ago

Which expression is equivalent to

disa [49]

Answer:

Expression 1

Step-by-step explanation:

14x + 35 - 21y

$14x + 35 - 21y \\ \frac{14x}{7} + \frac{35}{7} - \frac{21y}{7} \\ 2x + 5 - 3y$

5 0

3 years ago

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A contractor is building the base of a circular fourtain.On the blueprint, the base the fountain has a diametro of 18 centimeter

marysya [2.9K]

Answer:

452.4 ft²

Step-by-step explanation:

The radius on the blueprint is (18 cm)/2 = 9 cm, so the actual radius will be ...

radius/(9 cm) = (4 ft)/(3 cm)

radius = (9 cm)(4 ft)/(3 cm) = 12 ft

Then the area of the fountain is ...

A = πr² = π(12 ft)² = 144π ft²

The area is about 452.4 ft².

8 0

3 years ago

The sum of 4 consecutive integers is 326. what is the second number in the sequence

Lostsunrise [7]

Answer:

<em>The second number in the sequence is </em><em>81.</em>

Step-by-step explanation:

The sum of 4 consecutive integers is 326.

Let us assume that the first number is x. So the next numbers would be,

$=x+1,x+2,x+3$

Sum of these number would be,

$=x+(x+1)+(x+2)+(x+3)$

As it is given as 326, so

$\Rightarrow x+(x+1)+(x+2)+(x+3)=326$

$\Rightarrow x+x+1+x+2+x+3=326$

$\Rightarrow 4x+6=326$

$\Rightarrow 4x=326-6$

$\Rightarrow 4x=320$

$\Rightarrow x=80$

Hence, the second number (x+1) will be 81.

3 0

4 years ago

Read 2 more answers