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kirill [66]
3 years ago
15

Please Help! What is the distance between points (2, 8) and (7, 5)? Round to the nearest tenth of a unit.

Mathematics
2 answers:
zavuch27 [327]3 years ago
6 0
Distance formula is like pythagoren ahtoerem
D=\sqrt{(7-2)^{2}+(5-8)^{2}}
the distance between oints (x1,y1) and (x2,y2) is
D=\sqrt{(x2-x1)^{2}+(y2-y1)^{2}}
(2,8) and (7,5)
D=\sqrt{(7-2)^{2}+(5-8)^{2}}
D=\sqrt{(5)^{2}+(-3)^{2}}
D=\sqrt{25+9}
D=\sqrt{34}
apxos
D=5.8309....

round
D=5.8 units


timama [110]3 years ago
5 0
The answer I got was 5.8 .

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4 0
2 years ago
The surface areas of two similar hexagonal prisms are 882cm² and 1,058 cm²? What is the scale factor of the smaller
max2010maxim [7]

Answer:

scale factor of the smaller  prism to the larger prism is B. 21/23

Step-by-step explanation:

Given

surface areas of two similar hexagonal prisms are 882cm² and 1,058 cm²?

scale factor is ratio of sides of two similar objects

thus scale factor for given prism will be = side of smaller prism / side of larger prism

in general rule

If shape of solid has scale factor of k

scale factor of area = k²

scale factor of volume = k³

_____________________________

Given in the problem area of two prism is given

we know area = side^2

scale factor of area = k²

k^2 = area of smaller prism / area of larger prism

k^2 = 882 / 1058 = 441/529\\k = \sqrt{ 441/529} \\k = 21/23

Thus, correct option is B 21/23.

7 0
3 years ago
the moon is a sphere with a radius of 567 km. determine an equation for the ellipse if the distance of the satellite from the su
KIM [24]
A=567 km+900 km
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Please, see the graph in the attached graph.

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3 years ago
On a very cold morning, it was -8°F. As the day went on, the temperature rose 2° each hour. which equation shows the temperature
gladu [14]
-8 + 2x
hope that helps
7 0
3 years ago
Read 2 more answers
Answer it all please
fgiga [73]
What do you need help with? it helps us to know the question!
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