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3 years ago

What is 9x - (3+5x)....?

Mathematics

1 answer:

8_murik_8 [283]3 years ago

6 0

The answer to this equation is x=-2.5

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Find the HCF of 50 and 70 by using euclid s division method

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3 years ago

For the functions f(x)=4x+5 and g(x)=6x+4,find (f•g)(0)and (g•f)(0)

Elan Coil [88]

Answer:

Step-by-step explanation:

f(x)=4x+5

g(x)=6x+4,

first: (f*g)=(4x+5) (6x+4)=24x²+46x+20

next:(f*g)(0)=((g*f)=24x²+46x+20=20

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4 years ago

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marusya05 [52]

9514 1404 393

Answer:

x = 14°

Step-by-step explanation:

There are two ways you can go at this.

1) an exterior angle is equal to the sum of the remote interior angles

124° = (2x) +(180° -6x)

-56° = -4x

x = 14°

2) sum of exterior angles is 360°

124° +6x +(180° -2x) = 360°

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3 years ago

9x3^15 can be written as 3^n. What is the value of n

stich3 [128]

N=17
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3 years ago

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A 25-foot flag pole casts a shadow of 40 feet. What is the approximate height from the top of the flag pole to the top of the sh

Ann [662]

Answer:

The height from the top of the flag pole to the top of the shadow = 47 feet.

Step-by-step explanation:

Given:

Height of the flag pole = 25 ft

Length of the shadow cast by the flag pole = 40 ft

To find the approximate height from the top of the flag pole to the top of the shadow.

Solution:

On drawing the flagpole and the shadow, we get a right triangle of which the legs are given.

$Leg 1 =25\ ft$

$Leg 2 = 40\ ft$

We need to find the hypotenuse of the right triangle.

Applying Pythagorean theorem.

$Hypotenuse^2=Leg1^2+Leg2^2$

$Hypotenuse^2=25^2+40^2$

$Hypotenuse^2=625+1600$

$Hypotenuse^2=2225$

Taking square root both sides :

$\sqrt{Hypotenuse^2}=\sqrt{2225}$

$Hypotenuse=47.1\approx 47$

Thus, the height from the top of the flag pole to the top of the shadow = 47 feet.

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3 years ago