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NeTakaya
3 years ago
10

the tallest building in Africa is the Carlton centre in johannesburg, south Africa. what is the distance from the top of this 73

2ft building to the horizon to the nearest mile? (5280ft=1mi, radius of earth =4000mi)
Mathematics
1 answer:
Korvikt [17]3 years ago
4 0
Its near 1 mile or half a mile
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Square NOPQ is dilated by a scale factor of to form square N'O'P'Q'. Side N'O' measures 4. What is the measure of side NO?
KIM [24]
\begin{gathered} \text{NOPQ was dilated to N'O'P'Q'} \\ \text{The scale factor is }\frac{2}{3} \\ N^{\prime}O^{\prime}=4 \\ N^{\prime}O^{\prime}=\frac{2}{3}NO \\ 4=\frac{2}{3}NO \\ \text{cross multiply} \\ 12=2NO \\ NO=\frac{12}{2} \\ NO=6 \end{gathered}

4 0
1 year ago
A plane flies due south for 600 miles. It turns and flies 250 miles ,35 degrees east of south. How far is the plane from it’s or
Mariulka [41]

The distance of plane from the origin is 357.14 miles

<u>Explanation:</u>

Given:

distance traveled southwards, y = 600 miles

Distance traveled east of south, z = 250 miles

Angle, θ = 35°

Distance of plane from the origin, x = ?

The figure is attached for reference:

tan θ = Perpendicular / base

tan θ = distance travelled east of south / x

tan 35° = 250 / x

we know,

tan 35° = 0.7

So,

0.7 = \frac{250}{x} \\\\x = \frac{250}{0.7} \\\\x = 357.14 miles

Therefore, the distance of plane from the origin is 357.14 miles

6 0
4 years ago
6w-4z+2y+8x=52<br> 2y-4w-6x-2z=-28<br> 6z+2x-4w+4y=36<br> 4x+4y-2w-2z=20<br> solve for z
Nadusha1986 [10]

Answer:

Step-by-step explanation:

1)w=−4/3x+−1/3y+2/3z+26/3

2)w=−3/2x+1/2y+−1/2z+7

3)w=1/2x+y+3/2z−9

4)w=2x+2y−z−10

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5 0
4 years ago
Which of the following is a linear function?
8090 [49]
Y=x3+5 is the linear function
8 0
3 years ago
Read 2 more answers
Can anybody help me with my work
nadya68 [22]

Answer:

$5.75

Step-by-step explanation:

14.25 divided by 5= 2.85

2.85+2.85=5.75

7 0
2 years ago
Read 2 more answers
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