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ruslelena [56]
3 years ago
14

If 12 keychains cost $9 then how much does 20 keychains cost? $________ Also if you could may you provide steps on how you got t

he answer​

Mathematics
2 answers:
AleksandrR [38]3 years ago
5 0

Answer:

Step-by-step explanation:

12k=9

12k*5/3=9*5/3

20k=15

Jlenok [28]3 years ago
5 0

Answer:

20 keychains will be $15

Step-by-step explanation:

i did 9 divided by 12 equals 0.75 so thats how much each keychain costs. 0.75x20=15

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Step-by-step explanation:

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4 0
3 years ago
Can someone help me solve this
Ipatiy [6.2K]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Figure 1 is a square pyramid. Figure 2 is a right triangular prism.
amm1812

Answer:

the answer is

The surface area of Figure 1 is <u>10.2</u> square centimeters <u>Less</u> than the surface area of Figure 2.

Step-by-step explanation:

Figure 1

area of a square = s2

=9squared

=81 sq cm

area of triangle = 1/2 bh

=1/2 (9cm) (14cm)

=63 sq. cm

find surface area

SA = 81 sq. cm + 4(63 sq. cm)

SA = 81 sq. cm + 252 sq. cm

SA = 333 sq. cm

Figure 2 Calculation

area of rectangle = lw

a = (12cm) (8 cm)

a = 96 sq. cm

area of triangle = 1/2 bh

=1/2 (8 cm) (6.9 cm)

= 27.6 sq. cm

total surface are of figure 2

SA = 3 (96 sq.cm) + 2 (27.6 sq. cm)

SA = 288 sq. cm + 55.2 sq. cm

SA = 343.2 sq. cm

find the difference between figure 1 and figure 2

343.2 sq. cm - 333 sq. cm = 10.2 sq. cm

5 0
3 years ago
Here is the question
Fittoniya [83]
The answer is (4,8). I hope this helps.
4 0
4 years ago
Read 2 more answers
Consider the expression (x+3)(y+1)(x+2) applying the distributive property.
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I wrote it it visually for you. You combine like terms at the end.

5 0
3 years ago
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