2 years ago

A. 33.2 B. 34.7 C. 45.6 D. 37.8

1 answer:

7 0

The answer is B. 34.7

Take the cosine (adjacent over hypotenuse) of 38°
Multiply this number by 44 (the hypotenuse)

Your answer is 34.67, which rounds to 34.7

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masya89 [10]

Answer:

$(x-7)^2+(y-1)^2+(z+1)^2-9\le 0$

Step-by-step explanation:

A ball is the solid inside a surface which is a sphere.

The equation of a sphere has the form:

$(x-h)^2+(y-k)^2+(z-s)^2= r^2$

Where (h,k,s) is the center and r is the radius.

When we plug the given center (7,1,-1) and radius 3 we get:

$(x-7)^2+(y-1)^2+(z+1)^2= 3^2$

Then we turn this into an inequality: Since the ball is inside the surface we must use the $\le$ symbol.

$(x-7)^2+(y-1)^2+(z+1)^2\le 9$

Then we just subtract 9 from both sides to get:

$(x-7)^2+(y-1)^2+(z+1)^2-9\le 0$

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2 years ago

Ari is painting blocks of wood for a project each block is 8 cm long 4cm wide and 5cm high what is the surface are of each block

Elanso [62]

(8+4)*2*4+2(8*4)
=96 +64
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3 years ago

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kara estimates she has about 5/8 of a package of tacks.If a full package contains 500 tacks,which number is closest to the numbe

polet [3.4K]

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3 years ago

Geometry page 1 help please !

victus00 [196]

Answer:

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Step-by-step explanation:

With the two points you find the slope using $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Then using that slope, plug the slope in with one of the points values of x and y into the point slope formula, and smiplify that into the y-intercept formula.

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3 years ago

A statistical survey found that 20% of cars are red, and 10% are electric cars. It was further discovered that of all cars that

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Yes is red .............

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3 years ago