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pentagon [3]
3 years ago
15

Number of comments got maxed out so here's another post.

Mathematics
1 answer:
suter [353]3 years ago
7 0
That’s cool. i need p01nts so imma comment
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The scale of a map is 2 cm : 21 km. find the actual distance for 9 cm on the map.
DIA [1.3K]
I hope this helps you

if 2 cm 21 km

9cm ? km

?×2=9×21

?=189÷2

?=94,5 km
8 0
3 years ago
Read 2 more answers
Attachment mathswatch!!!!!!!!!!!!!
Vinil7 [7]

Answer:

<h2><em><u>y = -x - 1</u></em></h2>

Step-by-step explanation:

The line is going in a negative direction. This means that the line is negative. The slope is -1. The y- intercept is the coordinate (0,-1). SO the equation is y = -x - 1.

5 0
3 years ago
Diagram 1 shows a composite solid consisting of a cuboid and a right pyramid.
kondaur [170]
44 the total volume of this composite solid is 896
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3 years ago
Six friends order lunch. Which expression shows the total cost if each person orders one sandwich and one cookie?
geniusboy [140]

Answer:

6(4.75+x)

Step-by-step explanation:

3 0
2 years ago
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What is the length of the altitude of the equilateral triangle below?
Mice21 [21]
B. 3 √3

The shortcuts for a 30 60 90 triangle is that the:

Hypotenuse is 2 times the short leg

The long leg is √3 times the short leg.

Making it 3 √3

Another way is by the Pythagorean Theorem.

a^2+b^2=c^2

3^2+b^2=6^2

9+b^2=36

Subtract 9 from both sides

b^2=27

Square root both sides

b=5.2 or the √27

√27 can be simplified more

An equation that equals to 27 that has a perfect square is 9*3


√9* √3

The perfect square of 9 equals to 3

So 3 √3
4 0
3 years ago
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