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trapecia [35]
3 years ago
13

A map has a scale of 3cm to 20km. Which statements are true. Choose all that apply!!

Mathematics
1 answer:
Dima020 [189]3 years ago
7 0
A is True
B is False
C is False
D is True
A.)
3cm 20km
7.5cm Xkm
X=20•7.5/3
X=150/3
X=50 km TRUE
B.)
3cm. 20km
4cm. Xkm
X=20•4/3
X=80/3
X=26.66 FALSE
C.)
3cm. 20km
Xcm. 45km
X=3•45/20
X=135/20
X=6.75cm FALSE
D.)
3cm. 20km
Xcm. 66km
X=3•66/20
X=198/20
X=9.9 cm TRUE

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vitfil [10]
The correct answer is 14.4 let me know if you want to know how I got that answer!
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Which one is the right answers
Ratling [72]

Answer:

B

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n is the number of litres.

if you substitute 1 for 'n' then you will get :

C = 8 + 1.5(1)

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3 years ago
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7) Show 10,000 as an exponent<br>B) What is the value of the 5 in 52.890?​
Maurinko [17]

Answer:

7) 10^4

B) 50

Step-by-step explanation:

7) 10,000=10x10x10x10

turned into an exponent= 10^4

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6 0
4 years ago
CAN ANYONE PLEASE HELP ME WITH ASAP
olganol [36]

Answer:

2. D  \frac{1}{2} inch per hour

3. C    \frac{4}{5} km

Eli chose A because he multiply 5\frac{3}{5} km and 7 days; instead of dividing.

\frac{28}{5} * 7= \frac{196}{5} which is 39\frac{1}{5}

Step-by-step explanation:

2. Divide the inches of rain by hours

12\frac{1}{4} inches of rain ÷ 25\frac{1}{2} hours; convert to proper fraction

\frac{49}{4} ÷ \frac{51}{2}

\frac{49}{4} * \frac{2}{51} = \frac{98}{204} = \frac{49}{102} which is approximately \frac{1}{2} inch per hour

3. Divide km by days

5\frac{3}{5} km / 7 days = \frac{28}{5} ÷ 7 =  \frac{28}{5} * \frac{1}{7} = \frac{4}{5} km

Eli chose A because he multiply 5\frac{3}{5} km and 7 days; instead of dividing.

\frac{28}{5} * 7= \frac{196}{5} which is 39\frac{1}{5}

3 0
3 years ago
Read 2 more answers
A shopkeeper makes a profit of 15% by selling a book for $230. What is the cost price and the actual profit?
lys-0071 [83]

Answer:

Cost price = 200

Profit = 230-200 = 30

Step-by-step explanation:

x + 15/100x = 230

x + 3/20x = 230

20x + 3x = 4600

23x = 4600

x = 200

7 0
3 years ago
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