Please can you help me with this problem. Thanks.

Mathematics

1 answer:

avanturin [10]2 years ago

6 0

Hey! since it’s a 5 sided shape it’s area will be 540° so you add up 108+100+90+120=418
the final angle is 122*
then since angles on a straight line is 180° you minus 122 from 180 and x= 58°

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V=u+at<br> u=2 a= -5 t=1/2<br> work out the value of v.

Usimov [2.4K]

Answer:

(-1)/2

Step-by-step explanation:

Evaluate u + a t where u = 2, a = -5 and t = 1/2:

u + a t = 2 - 5/2

Put 2 - 5/2 over the common denominator 2. 2 - 5/2 = (2×2)/2 - 5/2:

(2×2)/2 - 5/2

2×2 = 4:

4/2 - 5/2

4/2 - 5/2 = (4 - 5)/2:

(4 - 5)/2

4 - 5 = -1:

Answer: (-1)/2

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3 years ago

The length of a rectangle is 4.5 cm more than 4 times the width. if the perimeter of the rectangle is 60 cm, what are its dimens

notka56 [123]

W + (4.5 + 4w)= 60
5w + 4.5 = 60
5w = 55.5
w = 11.1
l = 11.1 + 4.5 + 4(11.1)
solve for l to find the length
sorry i half did this. i’m really tired :D hope i helped in something, even tho i could be wrong F

4 0

3 years ago

It is known that only 1% of U.S citizens living on East Coast will be exposed to Lyme disease. There is a blood test they can de

aniked [119]

We need to find the probability that a randomly selected US citizen living on the East Cost will be exposed to Lyme disease and test positive.

We know that 1% of U.S citizens living on the East Coast will be exposed to Lyme disease. And only 95% of them will test positive.

Thus, the probability that this person will be exposed to Lyme disease and test positive is given by:

$95\%\cdot1\%=\frac{95}{100}\cdot\frac{1}{100}=\frac{95}{10000}=0.0095$

<em>Answer</em>: 0.0095

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Dahasolnce [82]

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3 years ago

A square plate rests horizontally in a spherical container of radius 13. The plate is 1 unit above the bottom point of the conta

Ivahew [28]

Given is :

The radius of the spherical container = 13 units

A square plate rests horizontally in a spherical container and is 1 unit above the bottom point of the container. So, the distance from the center of the sphere to the center of the plate = 12 units. And the distance from the center of the sphere to the corner of the plate is 13 units.

Lets assume the side is 'x' units

Now using Pythagoras theorem, we will find the distance from the center of the plate to the corner :

$12^{2} +x^{2} =13^{2}$