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2 years ago

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Use the numbers 5,6, and 7 and the operations of addition,subtraction, multiplication, and/or division to create three different

number expressions with three different values. One of the expressions should have a value of 37.

2 answers:

mars1129 [50]2 years ago

5 0

1. 5x6+7

2. 6x7+5

3. 5x7+6

Hope I helped :)

Novay_Z [31]2 years ago

3 0

5 x 6 +7 = 37
7 + 5 - 6 = 6
6 - 5 x 7 = 7

Some possible answers. Hope it helped!

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2 years ago

An airplane is flying at a speed of 500 mi/h at an altitude of one mile. The plane passes directly above a radar station at time

d1i1m1o1n [39]

Answer:

a) $s=\sqrt{1+d^2}$

b)d(t)=500t

c) $s(t) =\sqrt{1+250000t^2}$

Step-by-step explanation:

d = Horizontal distance

s = the distance between the plane and the radar station

The horizontal distance (d), the one mile altitude, and s form a right triangle.

So, use Pythagoras theorem

$Hypotenuse^2=Perpendicular^2+Base^2$

$s^2=1^2+d^2$

a) $s=\sqrt{1+d^2}$

(b) Express d as a function of the time t (in hours) that the plane has flown.

$distance = speed \times time$

d(t)=500t

(c) Use composition to express s as a function of t.

$s(t) =\sqrt{1+d^2}$

using b

$s(t) =\sqrt{1+(500t)^2}\\s(t) =\sqrt{1+250000t^2}$

6 0

2 years ago

Fill in the table using this function rule y=27-4x

Elis [28]

Step 1: Y= 27 - 4x

To find X - intercept / zero, substitute Y = 0

0 = 27 - 4x

Step 2: 0 = 27 - 4x

Move variable to the left-hand side and change it's sign.

4x = 27

Step 3: 4x = 27

divide both sides of the equation by 4

X = 27/4

solution: X = 27/4

Alternate form: X = 6 3/4, X = 6.75

3 0

2 years ago