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3 years ago

Write the expression as a decimal number.

Mathematics

1 answer:

Nesterboy [21]3 years ago

4 0

The answer would be 66.7

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this is kinda confusing but it says “if 1 cm represents 2 meters, how long would each measurement be on an actual basketball cou

frosja888 [35]

Answer:

28 m
15 m
24.8 m
1.0 m

Step-by-step explanation:

The given statement is the scale factor:

$\dfrac{\text{scale distance}}{\text{actual distance}}=\dfrac{1\text{ cm}}{2\text{ m}}$

This can be rearranged to the formula ...

$\text{actual distance}=\text{(scale distance)}\dfrac{2\text{ m}}{1\text{ cm}}$

Filling in the given scale distances, you find the actual distances to be ...

$\textbf{(a) }(14\text{ cm})\dfrac{2\text{ m}}{1\text{ cm}}=14\cdot2\text{ m}=28\text{ m}\\\\\textbf{(b) }(7.5\text{ cm})\dfrac{2\text{ m}}{1\text{ cm}}=7.5\cdot2\text{ m}=15\text{ m}\\\\\textbf{(c) }(12.4\text{ cm})\dfrac{2\text{ m}}{1\text{ cm}}=12.4\cdot2\text{ m}=24.8\text{ m}\\\\\textbf{(d) }(0.5\text{ cm})\dfrac{2\text{ m}}{1\text{ cm}}=0.5\cdot2\text{ m}=1.0\text{ m}\\\\$

4 0

3 years ago

Is this shape symmetrical

Harlamova29_29 [7]

Yes bc if u divide it it will

8 0

4 years ago

Solve the system of equations by substitution.<br> y = 5x - 13<br> 4x + 3y = 18<br> The solution is

Rudik [331]

Answer:

x=3 and y=2

Step-by-step explanation:

1.) 4x+3(5x-13)=18

expand into 4x+15x-39=18

18+39= 57

15x+4x= 19x

57/19= 3 so x=3

substitute 3 into y= 5x - 13

and you get 2 so y=2

3 0

3 years ago

-4/5 + 3/20 dont understand how to solve it

IRINA_888 [86]

Answer:

-13/20

Step-by-step explanation:

-4/5 x 4/4 = -16/20

3/20 x 1/1 = 3/20

-16/20 + 3/20 = (-16 + 3 = -13)

-13/20

5 0

3 years ago

Plz help

siniylev [52]

Answer:

I think its D but no hate if not.

8 0

3 years ago

Read 2 more answers