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3 years ago

Solve 2,731 + 3,471 = ________.

Mathematics

1 answer:

docker41 [41]3 years ago

8 0

Answer: 6,202

Step-by-step explanation:

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Need help extra points and mark brainlist

11Alexandr11 [23.1K]

Answer: 15:27, or 5:9

Explanation: 15+12=27

15:27=5:9

8 0

3 years ago

Read 2 more answers

Number two please <br> ASAP

miv72 [106K]

The solutions for $-5 +2x^{2} = -6x$ is option 3. $x= \frac{-6 \pm \sqrt{36-4 (2)(-5)}}{4} .$

Step-by-step explanation:

Step 1:

First, we must bring the equation to the form of $ax^{2} +bx +c =0.$

So $-5 +2x^{2} = -6x$ becomes $2x^{2} +6x-5=0.$

The value of a is the coefficient of the $x^{2}$ term, the value of b is the coefficient of x term and c is the coefficient of the constant term.

Comparing the above equation to $ax^{2} +bx +c =0,$ we get $a = 2, b = 6,$ and $c=-5.$

We have the formula $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}.$

Step 2:

By substituting the known values, we get

$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a} =\frac{-6 \pm \sqrt{6^{2}-4 (2)(-5)}}{2 (2)}.$

$\frac{-6 \pm \sqrt{6^{2}-4 (2)(-5)}}{2 (2)} = \frac{-6 \pm \sqrt{36-4 (2)(-5)}}{4} .$

This is the third option.

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4 years ago

What is the perimeter and area of 5.6 2.1

Svetlanka [38]

If 5.6 and 2.1 are the measurements then:
you multiply 5.6 and 2.1 to get the area.
Area=11.76squared
You add 5.6+5.6+2.1+2.1 to get the perimeter.
Perimeter=15.4

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4 years ago

A square rug has an area of 72ft2.(squared). Write the side length as a square root. Then decide if the side length is a rationa

Marrrta [24]

Answer: it’s square root(72) and no the length is not a rational number

Step-by-step explanation:

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3 years ago

Match the scenarios to the equations.

Diano4ka-milaya [45]

Answer:

first one is -4+y=20 second is 4+y=-20

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3 years ago