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2 years ago

The diagonals of a rectangle are equal.

2 answers:

3 0

The two diagonals are equal in length and bisect each other. Every quadrilateral with both these properties is a rectangle. A rectangle is rectilinear:which means its sides meet at right angles.

ziro4ka [17]2 years ago

3 0

The answer is always, i hope this helped

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F = uv/u + v make u the subject

never [62]

I'm assuming that you mean

$\dfrac{uv}{u+v}$

because if you meant

$\dfrac{uv}{u}+v$

then u would simplify and you couldn't make it the subject.

Under this assumption, we start with

$F=\dfrac{uv}{u+v}$

We multiply both sides by $u+v$

$F(u+v)=uv$

We expand the left hand side:

$Fu+Fv=uv$

We move all terms involving u to the left and all terms not involving u to the right:

$Fu-uv=-Fv$

We factor u on the left hand side:

$u(F-v)=-Fv$

We divide both sides by $F-v$

$u=\dfrac{-Fv}{F-v}$

3 0

3 years ago

Watermelon is on sale for $4 per pound. How much would 7.5 pounds cost?

timurjin [86]

Answer:

$30

Step-by-step explanation:

Just multiply

5 0

3 years ago

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In three separate stock trades Dale los $560, gained $850, and lost $280. What was the net result of the three trades?

romanna [79]

Answer:

$10 profit

Step-by-step explanation:

560+280=840

850-840=10

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2 years ago

On average, seawater contains approximately 1.2 ounces of salt per liter.how many gallons of seawater to the nearest tenth of a

Andru [333]

Answer:

10.6

Step-by-step explanation:

The amount of salt in one liter is 1.2 ounces, meaning to make one pound (16 oz) it would take 13 1/3 liters of water.

For 2.5 pounds, it would be 2.5*16, or 40-- 40 liters for 2.5 pounds of salt.

40 liters in (U.S.) gallons is 40/ (approximately) 3.785 , or 10.5680, 10.6

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2 years ago

5 − c = –11 c = ? What is C? Please help! I'll give brainliest

jonny [76]

Answer:

Step-by-step explanation:

you would get c alone so you subtract 5 to the other side

4 0

2 years ago

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