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lara31 [8.8K]
3 years ago
9

Can someone help me and explain it to me

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
4 0

Answer:

1) 6

2)4

3)27

4)126

5)15

Step-by-step explanation:

1. We need to see how many 8-miles are in 24 miles, than multiple it with 2in.

(24/8)*2=3*2=6in

2. Fist we calcue how many 17-feets are in 68feets, and multiple that with 1in.

(68/17)*1=4

3. We first see how many 3ins are in 9ins, and than multiple that with 9feet

(9/3)*9=3*9=27

4. First see how many 2ins are in 36ins, and then multiple it with 7.

(36/2)*7=18*7=126feet

5. See how many 15fts are in 75ft And than multiple it with 3.

(75/15)*3=5*3=15

Valentin [98]3 years ago
4 0

Answer:

1)6

2)4

3)27

4)126

5)15

Step-by-step explanation:

1) so the ratio given is 2 inch=8 miles.

to make the ratio simpler we can divide it by 2 into 1 inch=4 miles.

(2 inch/2=8miles/2)

now we got (some number) inch= 24 miles

so

1 inch = 4 miles is related to

(some number) inch = 24 miles

now we'll divide 24 miles by 4 miles.

then we'll get the missing inch, which is 6.

to make sure you're correct use the original scale

1:4 and substitute 6 in.

6:(6x4)

6:24#

give up.cuz i see someone with a much simplier and easier to understand answer

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Answer:

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Step-by-step explanation:

Solve for x:

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3 years ago
If F(x)=x^3-2x^2, which expression is equivalent to f(I) -2+i,-2-i,2+i,2-i
Romashka-Z-Leto [24]

Hello from MrBillDoesMath!

Answer:

2 - i

Discussion:

Evaluate F(x) = x^3 - 2 x^2 when x = i.

i^2 = -1 for i^3 = i ( i^2) = i (-1) = -i

So F(i) =  (i)^3 - 2 (i)^2                      

          =   -i     - 2(-1)

          = -i      +  2

          =  2      -  i


which is the last answer shown


Thank you,

MrB

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