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3 years ago

If a scale is 1:250,000 and the distance is 8.5cm on the map what's the actual distance

1 answer:

7 0

8.5cm · 250,000 = 2,125,000cm

1m = 100cm therefore 1cm = 0.01m

2,125,000cm = 2,125,000 · 0.01 = 21,250m

1km = 1,000m therefore 1m = 0.001km

21,250m = 21,250 · 0.001km = 21.25km

Answer: 21,250m = 21,25km

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Translate the sentence into an inequality.<br> Twice x is less than or equal to - 18.

Sergio039 [100]

Answer:

$2x\leq -18$

Step-by-step explanation:

$2x \leq -18$

the first side is

twice x

2 times x

the symbol means less than or equal to

and finally we have the -18

5 0

2 years ago

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Charlotte has 12 t shirts.one fourth of her t shirts are green. How many of charlottes t shirts are green?

ella [17]

3 T shirts. 12 divided by 4.

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2 years ago

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Applying properties of Exponents in exercise,use the properties of exponents to simplify the expression.See example 1.

evablogger [386]

Answer: a) 15625, b) 0.2, c) 625, d) 0.008.

Step-by-step explanation:

Since we have given that

a) $(5^2)(5^3)$

As we know that

$a^m\times a^n=a^{m+n}$

So, it becomes,

$5^2\times 5^3=5^{2+3}=5^6=15625$

(b) $(5^2)(5^{-3})$

So, it becomes,

$5^2\times 5^{-3}=5^{2-3}=5^{-1}=\dfrac{1}{5}=0.2$

As we know that

$(a^m)^n=a^{mn}$

So, it becomes,

$5^{2\times 2}=5^4=625$

(d) $5^{-3}$

$a^{-m}=\dfrac{1}{a^m}\\\\5^{-3}=\dfrac{1}{5^3}=\dfrac{1}{125}=0.008$

Hence, a) 15625, b) 0.2, c) 625, d) 0.008.

4 0

2 years ago

3/4 divided by 6/1 <br> How ?

AfilCa [17]

KFC
Keep Flip Change
Keep the first fraction
3/4
Flip the second fraction(reciprocal)
6/1 -> 1/6
Change the sign
÷ -> ×
So
3/4 × 1/6

3 0

2 years ago

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The midpoint of AB is M(0,2). If the

otez555 [7]

Answer:

Step-by-step explanation:

(x+2)/2 = 0

x + 2 = 0

x = -2

(y - 3)/2 = 2

y - 3 = 4

y = 7

(-2, 7)

8 0

2 years ago