2 years ago

What is (5+2)[6-(3+2)]=

Mathematics

2 answers:

Scorpion4ik [409]2 years ago

5 0

The answer is 7!!!!!!!!!! Hope this helps

zzz [600]2 years ago

4 0

Answer:

Step-by-step explanation:

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Consider the following formula used to estimate the height, h, of a seeding after w weeks since planting

Aleonysh [2.5K]

H= 1/5W + 8/5
h- 8/5 = 1/5w
5h-8 = w

5 0

3 years ago

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Solve the linear equation - 7(x + 2) = -3(x - 5) for x

melisa1 [442]

x= −29/4

Answer:

Step-by-step explanation:

−7(x+2)=−3(x−5)

Step 1: Simplify both sides of the equation.

−7(x+2)=−3(x−5)

(−7)(x)+(−7)(2)=(−3)(x)+(−3)(−5)(Distribute)

−7x+−14=−3x+15

−7x−14=−3x+15

Step 2: Add 3x to both sides.

−7x−14+3x=−3x+15+3x

−4x−14=15

Step 3: Add 14 to both sides.

−4x−14+14=15+14

−4x=29

Step 4: Divide both sides by -4.

−4x −4

x=29/−4

x= −29/4

3 0

3 years ago

Who is correct and why?

Deffense [45]

There is no information below to give an answer .

6 0

3 years ago

How do you calculate the radius from the circumference?

torisob [31]

Answer:

You divide the circumference by 2

Step-by-step explanation:

Divide the circumference by pi or 3.14 for an estimation. The result is the circle's diameter.

Divide the diameter by 2.

4 0

2 years ago

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Simplify the expression by using a double-angle formula. 2 sin 31°cos 31°

qwelly [4]

The double angle formula for the sine is

$\sin(2x) = 2\sin(x)\cos(x)$

The right hand side is exactly your expression, where $x = 31^\circ$

So, rewriting the expression from right to left, we have

$2\sin(31^\circ)\cos(31^\circ) = \sin(2\cdot 31^\circ) = \sin(61^\circ)$

6 0

3 years ago