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3 years ago

Helpppppppp me plzzzzzzzzz

Mathematics

2 answers:

Katen [24]3 years ago

5 0

Answer:

x=116

Step-by-step explanation:

It says isolate the variable so x=58x2 now that it is isolated you just need to multiply 58 x 2 to simplify 50 x 2 = 100 8 x 2 16 100 + 16=116

X=116

MAXImum [283]3 years ago

3 0

Hi there’s some math apps for this

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The radius of a circle is 19 cm. Find its area in terms of pi

yan [13]

Answer:

38π cm

Step-by-step explanation:

The area of a circle of radius r is A = 2πr.

If the radius is 19 cm, then the area is A = 2π(19 cm), or 38π cm.

3 0

3 years ago

I need help!

timama [110]

Fractions,rats, and percents all interconnect. For ext,50%=11/2 =1:2

6 0

3 years ago

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A 20 ft. ladder is used against a 15 ft. wall. What is the measure of the angle made by the ladder and the ground (nearest whole

Brrunno [24]

Step-by-step explanation:

Given that,

The length of a ladder, H = 20 feet

The height of the wall, h = 15 ft

We know that,

$\sin\theta=\dfrac{h}{H}$

h is perpendicular and H is hypotenuse

So,

$\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}$

Now using Pythagoras theoerm,

$b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft$

Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.

6 0

3 years ago

If m ACB = 48° and <br> m CAB = 47°, is line BC a tangent to circle A?

muminat

Answer: No, because ABC is not a right angle.

Step-by-step explanation: In triangle ABC, the three angles add up to 180

So angle B = 180 - 48 - 47 = 85.

7 0

3 years ago

Need help!!!!!!!!!!!!!!!

icang [17]

Answer:

no error original system so good by

8 0

3 years ago