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cricket20 [7]
3 years ago
12

# 1) 22 students are __% of 55 * Show Work *

Mathematics
2 answers:
tamaranim1 [39]3 years ago
7 0

40% for number 1 So all you have to do is identify the parts of the equation. We don't know the percent, but we know everything else, so we can plug what we know into the equation

P

×

55

=

22

55

22

=

P

P

=

0.4

=

40

%

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75

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on a test worth  

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points. How many points did he get correct?

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LenaWriter [7]3 years ago
5 0

22 = p* 55

divide by 55

22/55 = p

.4 = p

40 percent


24 = .40 * m

divide by .40

24/.4 = m

60 = m

60 marbles


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max2010maxim [7]

Answer:

(a) LM=12 units, LN=35 units, MN=37 units

(b)8 84 units

(c) 210 square units

Step-by-step explanation:

(a)

Since points L and M have same x coordinates, it means they are in the same plane. Also, since the Y coordinates of L and N are same, they also lie in the same plane

Length LM=\sqrt {(7-7)^{2}+(16-4)^{2}}=12 units

Length LN=\sqrt {(42-7)^{2}+(4-4)^{2}}=35 units

LengthMN=\sqrt {(42-7)^{2}+(4-16)^{2}}=37 units

Alternatively, since this is a right angle triangle, length MN is found using Pythagoras theorem where

MN=\sqrt {(LN)^{2}+(LM)^{2}}=\sqrt {(12)^{2}+(35)^{2}}=37 units

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(b)

Perimeter is the distance all round the figure

P=LM+LN+MN=12 units+35 units+37 units=84 units

(c)

Area of a triangle is given by 0.5bh where b is base and h is height, in this case, b is LN=35 units and h=LM which is 12 units

Therefore, A=0.5*12*35= 210 square units

4 0
3 years ago
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Julli [10]

Answer: 5.9 cm for both triangles.

Step-by-step explanation:

Hi, since the situation forms 2 right triangles we have to apply the Pythagorean Theorem:  

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