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Rufina [12.5K]
3 years ago
8

What is the solution to the equation 19 = r/3

Mathematics
1 answer:
netineya [11]3 years ago
4 0

Answer:

the answer to the question is 57.... please give me brainliest

Step-by-step explanation:

19 =r \div 3 \\ 19 \times 3 = r \div 3 \times 3 \\  57 = r \\ therefore \\ r = 57

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Please look the image attached
Usimov [2.4K]

Answer:

I think it is c

Step-by-step explanation:

I might be wrong wait for a second answer if it is the same then I think I am right

5 0
2 years ago
PART A: A landmark on the first map is a triangle with side lengths of 3 cm, 4 cm, and 5 cm. What are the side lengths of the tr
Greeley [361]

Complete Question:

Johnny printed two maps of a walking trail near his home. The length of the walking trail on the first map is 8 cm.

(a) Choose a length between 5 cm and 15 cm for the walking trail on the second map: ________cm.  

(b) Determine the scale factor from the first map to the second map.

(c)  A landmark on the first map is a triangle with side lengths of 3 cm, 4 cm, and 5 cm. What are the side lengths of the triangle landmark on the second map?  

(d) Draw one of the triangles from part C. Label the side lengths and vertices accordingly. You may use this drawing tool or draw your triangle on paper:

Answer:

(a) Length = 4cm

(b) Scale factor = 0.5

(c) 3cm, 4cm and 5cm are represented by 1.5cm, 2cm and 2.5cm respectively, on the second scale

(d) See attachment for triangle

Step-by-step explanation:

(a) Choose a length between 5 cm and 15 cm

Length =4cm <em>--- This is solely up to you (you can make use of any length between 5 cm and 15 cm)</em>

(b) The scale factor

The scale factor (k) is calculated as:

k = \frac{New\ Length}{Old\ Length}

k = \frac{4cm}{8cm}\\

k = 0.5

(c) What are side lengths of 3 cm, 4 cm, and 5 cm on the second landmark

Using:

k = \frac{New\ Length}{Old\ Length}

The old lengths, in this case are: 3cm, 4cm and 5cm

Make New length the subject

New\ Length = k * Old\ Length

When Length = 3cm

New\ Length = 0.5 * 3cm = 1.5cm

When Length = 4cm

New\ Length = 0.5 * 4cm = 2cm

When Length = 5cm

New\ Length = 0.5 * 5cm = 2.5cm

So: 3cm, 4cm and 5cm are represented by 1.5cm, 2cm and 2.5cm respectively, on the second scale

(d) See attachment for triangle

7 0
3 years ago
Based on the graph, what is the cyclist's speed in miles per
Aleksandr [31]
The answer is a) 16mph
8 0
3 years ago
Evaluate the following expression when x = 1/2 and y = -3.<br><br><br> -4xy
solong [7]

Answer:6

Step-by-step explanation:

-4xy

-4(1/2)(-3)

-4(-1.5)

6

3 0
2 years ago
16 - (1 - 5x) - 4x-29
Lera25 [3.4K]
-14 + x

Is the correct answer
4 0
3 years ago
Read 2 more answers
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