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3 years ago

Blank divided by 7 is greater than 800

Mathematics

2 answers:

mrs_skeptik [129]3 years ago

6 0

15,000 divided by 7 is greater than 800 but this question could have a number of possible answers

Stella [2.4K]3 years ago

5 0

Answer:

The possible numbers for the blank are 5601, 8452, 93647 etc.

Step-by-step explanation:

Consider the provided information.

Blank divided by 7 is greater than 800

Let say the number should be in blank is x.

Now we need to find the value of x so that it divided by 7 gives a value greater than 800.

This can be written as:

$\frac{x}{7}>800$

Solve the above inequality for x.

$x>800\times 7$

$x>5600$

The value of x should be greater than 5600.

We can select any number which is greater than 5600.

The possible choice for the blank are 5601, 8452, 93647 etc.

Note there are infinite number greater than 5600 so you can choose any of them.

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A plane can fly 305 miles downwind in the same amount of time as it can travel 215 miles upwind. Find the velocity of the wind i

son4ous [18]

Answer:

We can compute this in 2 ways:

305 downwind - 260 still air = 45 mph wind velocity

260 still air - 215 downwind = 45 mph wind velocity

Step-by-step explanation:

5 0

3 years ago

What is the volume of a sphere with a radius of 3 inches?

Vilka [71]

Answer:

36π cubic inches

Step-by-step explanation:

V = 4/3 πr³

radius (r): 3

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= 4/3π (27)

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3 0

3 years ago

OOOO

lbvjy [14]

Step-by-step explanation:

Given bi-quadratic equation is:

$x^4+95x^2 -500=0$

Substituting $x^2=a,$ given bi-quadratic equation reduces in the form of following quadratic equation:

$a^2 +95a -500=0\\$

Let us factorize the above quadratic equation:

$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$