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3 years ago

Classify the system of equations and identify the number of solutions.

Mathematics

1 answer:

Andrei [34K]3 years ago

6 0

Answer:

I think it is either A or C

Step-by-step explanation:

PLZ MARK ME BRAINLYIST

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An aquarium has a base in the shape of a trapezoid. The base is 100

Nat2105 [25]

Answer:

$Volume = 210L$

Step-by-step explanation:

Given

Base:

$Front = 100cm$

$Back = 50cm$

$Width = 40cm$

$Height = 70cm$

Required

Determine the volume (in litres)

First, we need to calculate the area;

Base on the parameters given, we have:

$Area = \frac{1}{2}(Front + Back) * Width$

$Area = \frac{1}{2}(100cm + 50cm) * 40cm$

$Area = \frac{1}{2}(150cm) * 40cm$

$Area = 75cm * 40cm$

$Area = 3000cm^2$

$Volume = Area * Height$

$Volume = 3000cm^2 * 70cm$

$Volume = 210000cm^3$

$1cm^3 = 0.001L$

So:

$Volume = 210000 * 0.001L$

$Volume = 210L$

4 0

4 years ago

Malala is following this recipe for bread rolls.

igomit [66]

Answer:

She will use:

4g salt

3.2g yeast

12 ml oil

140 ml water

Step-by-step explanation:

Since 200 is 40% of 500 we calculate 40% of all the other ingredients and you get your answer

5 0

3 years ago

8a+6ab+5b,-6a-ab-8b and - 4a+2ab+3b<br><br>Pls answer this question

suter [353]

Answer:

4 a+8 ab+8b

Step-by-step explanation:

8 a-4 a+6ab+2ab+5 b+3 b

4 a+8 ab+8b

6 0

3 years ago

Rachel bought a meal at the restaurant and gave an 18% tip. If the tip was $6.30 and there

lorasvet [3.4K]

Answer:

Step-by-step explanation:

7 0

3 years ago

2. In the circle graph above, you can see that 47% of the company's monthly income is used to pay the owner's personal salary. I

Lerok [7]

So whe have $\frac{47}{100}$ that is paid to the boss.

The boss won 2,176.10 this month. $\frac{2,176}{x}$
So our equation would end as...
$\frac{47}{100}=\frac{2,176}{x}$

We solve what can be solved...
0.47=\frac{2,176}{x}

Then we leave our unknown value alone...
0.47x=2,176
x=\frac{2,176}{0.47}

Last we solve...
x= 4,629.79
x≈4,630

So the answer is A.

8 0

4 years ago