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4 years ago

Prove that if a is a subset of b then int(a) is a subset of int(b) g

Mathematics

1 answer:

ZanzabumX [31]4 years ago

4 0

S in A does not necessary mean that it is in the interior of A since A is an open set.

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Guys I need help on all three please

kodGreya [7K]

Answer:

graph 1 proportional

graph 2&3 is non proportional

i think

6 0

3 years ago

Expand : (3x+5y)²<br>please answer

alukav5142 [94]

Answer:

FOIL: $9x^2 +30xy + 25y^2$

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y

$9x^2 +30xy + 25y^2$

Step-by-step explanation:

4 0

3 years ago

hi, i hope everyone is taking care, staying safe, and always smiling. could you help me? it is maths, brainliest will be given

prisoha [69]

Answer:

210 cm³

Step-by-step explanation:

The area of the triangular side is base*half height, which is 7*3=21.

To get the volume, multiply by the depth: 21*10 = 210 cm³

8 0

3 years ago

Read 2 more answers

The Home Depot has two special lawnmowers for sale this year. The electric mower costs $300 each, and the gas-powered mower cost

spayn [35]

Answer:

300a + 450b ≤ 6000

Step-by-step explanation:

Given:

Cost of electric mower = $300

Cost of gas mower = $450

Total number of mower = 25

Cost of total mower is at least = $6,000

Find:

Number of each mower equation

Computation:

Number of electric mower = a

Number of gas mower = b

So,

Equations

a + b ≤ 25 ........ Equation 1

300a + 450b ≤ 6000 ....... Equation 1

4 0

3 years ago

Before a renovation, a movie theater had 113 seats. After the renovation, the theater has 163 seats. What is the approximate per

seraphim [82]

To solve this problem you can make a rule of three and find the percentage of increase
113 ---> 100
163 ---> x
Clearing x we have
x = (163/113) * (100) = 144.25
Then, the percentage of growth is
144.25-100 = 44.25
answer
the approximate percentage increase of the number of seats in the theater 44.25%
<span> C 44.2%
</span>

6 0

3 years ago