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Ket [755]
2 years ago
12

The distance between two cities on a map 3.5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometers. W

hat is the actual distance between these two cities in kilometers?
Mathematics
1 answer:
ivann1987 [24]2 years ago
7 0

Answer:

70 kilometers

Step-by-step explanation:

if 1 cm is equal to 20 kilometers, then 3 cm would be 60 kilometers, and 0.5 cm would be 10 kilometers. making 3.5 cm 70 kilometers.

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If the length of AC equals 50, what is the length of the midsegment DE?
balu736 [363]

Answer:

25

Step-by-step explanation:

The mid-segment of the triangle is always parallel to the base and is half the length of the base

3 0
3 years ago
-0.70 — (-2/5)+ 0.4 + (-1/4)
Liono4ka [1.6K]

Answer:

-0.15

Step-by-step explanation:

the easiest way to do this is to convert all of the numbers to decimals. -2/5 becomes -0.4, and -1/4 becomes -0.25. Then you simplify the equation to get - 0.7 + 0.4 + 0.4 - 0.25, which you then solve to get -0.15.

5 0
3 years ago
How do you find the equality of 4/12=A/3
Rama09 [41]

Answer:

A = 1

Step-by-step explanation:

frac. \: \frac{4}{12}  =  \frac{a}{3}

\frac{  \:  \: \: 4  \: \div  \: x  \: =  \: a}{12  \: \div \:  x \:  = \:  3}

\frac{  \: \: 4  \: \div \:  x  \: =  \: a}{12 \:  \div \:  4  \: =  \: 3}

\frac{ \:  \: 4  \: \div \:  4  \: = \:  a}{12  \: \div  \: 4 \:  =  \: 3}

\frac{ \:  \: 4  \: \div \:  4  \: =  \: 1}{12  \: \div \:  4 \:  =  \: 3}

a= 1

5 0
3 years ago
Multiply the binomials: (x + 6) • (x - 8)​
aev [14]

Answer:

Step-by-step explanation:

x 2 − 2 x -48

4 0
4 years ago
A culture started with 2,000 bacteria. After 6
Nastasia [14]
There will be 2.400 bacteria after 12 hours.
If it grew by 0.200 in 6 hours then it will be 0.400 at 12 hours because it is doubled.
4 0
3 years ago
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