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viktelen [127]
2 years ago
8

The scale is 0.25 cm: 15 km. FInd the actual distance corresponding to each map distance.

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
8 0
If 0.25cm = 15 km the answer would divide 0.75 by0.25=3
 next multiply 3 by 15km to get 45km
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Which equation accurately represents this statement? Select three options.
atroni [7]

Complete question:

Which equation accurately represents this statement? Check all that apply.

Negative 3 less than 4.9 times a number, x, is the same as 12.8

A: -3-4.9x=12.8

B: 4.9x-(-3)=12.8

C: 3+4.9x=12.8

D: (4.9-3)x=12.8

E:  12.8=4.9x+3

Answer:

B: 4.9x-(-3)=12.8

C: 3+4.9x=12.8

E:  12.8=4.9x+3

Step-by-step explanation:

The word equation can be expressed mathematically as follows

negative 3  → -3

less than 4.9 times a number , x →  4.9 x - (-3)

is same as 12.8  → 4.9 x - (-3) = 12.8

The equation can be expressed as

4.9 x - (-3) = 12.8

when you open the bracket, you multiply  -3 time  - 1 . MInus times minus is equals to plus. so you get

4.9 x + 3 = 12.8

12.8 = 4.9x+3

3 0
2 years ago
Read 2 more answers
1 liter is equivalent to a volume of 1000 cm3 (the same as 10 cm x 10 cm x 10 cm). If a beaker has a cross-section the size of t
Oksanka [162]

Answer:

Volume = \frac{220}{7}r^2

Step-by-step explanation:

Given

Height = 10cm

<em>See Attachment for complete question</em>

Required

Determine the volume of the circle

The volume is calculated as thus;

Volume = \pi r^2h

Take \pi as \frac{22}{7}

<em>So; Volume becomes</em>

Volume = \frac{22}{7} * r^2 * h

Substitute 10 for h

Volume = \frac{22}{7} * r^2 * 10

Volume = \frac{220}{7} * r^2

Since, the value of the radius is not given;

<em>The volume of the circle is:</em>

Volume = \frac{220}{7}r^2

3 0
2 years ago
You are collecting email addresses from 74 customers per day, which is about 90% of the daily goal of __________ emails per day.
Tanzania [10]
1. The first step is to realize you need to find a number that will be bigger than 74. 
2. All you have to do for this problem is to divide 74 by 90%. You can put this in the calculator by typing in (74 / .9).
3. The answer you get should be 82.22
4. You can check this by multiplying 82.22 by 90%, and it should bring you back to 74. 
5 0
2 years ago
Suppose m is a point in the interior of JKL if MKL = 42 andJKL = 84 what is JKM
gtnhenbr [62]

Answer:

∠JKM = 42°

Step-by-step explanation:

Since M is in the interior of ∠JKL, then

∠JKM + ∠MKL = ∠JKL ← substitute values

∠JKM  + 42 = 84 ( subtract 42 from both sides )

∠JKM = 42°

5 0
2 years ago
Elena wants to make a scale drawing of her bedroom. Her bedroom is a rectangle with length 5 m and width 3 m. She decides on a s
katovenus [111]

We are given dimensions of rectangular bedroom = length of 5m and width 3 m.

Also scale drawing of factor 1/50 of the original dimension.

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Let us convert it in centimeter now.

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Width of the scale drawing = 3 * 1/50 = 3/50 m.

100*3/50 = 6 cm.

Therefore, the dimensions of a scale drawing of Elenas bedroom is length 10cm and width 6cm.

7 0
2 years ago
Read 2 more answers
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