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2 years ago

A model car travels 20 meters in 15 seconds how many will it travel in 45 seconds

Mathematics

2 answers:

Monica [59]2 years ago

8 0

Answer: 60 meters

Step-by-step explanation:

if the car travels 20 meters in 15 seconds

you want to take 45 and divide it by 15, giving you 3

now you want to multiply 20x3

which will get you 60 meters

dlinn [17]2 years ago

5 0

Answer: 60 meters

Step-by-step explanation: you can divide 20 by 15 to get 3/4 and 3/4 times 45 is 60

oof sorry if its wrong or the explanation is too lazy

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To the nearest tenth the value of x that satisfies 2x = −2x + 11 is

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To solve for variable equations or inequalities, we want to do two things:
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Now let's perform step 2: reducing that side to the variable without coefficients. Since the coefficient of $4x$ is $4$ , we need to divide both sides of the equation by 4: $x=\frac{11}{4}=2.75$ . Rounded to the nearest tenth, $x=2.8$ .

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3 years ago

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Eduardwww [97]

Answer:

B, C

Step-by-step explanation:

Consider all options:

A. The graph of the function $f(x)=\dfrac{1}{2}\sqrt[3]{x}$ is vertically shrunk by a factor $\frac{1}{2}$ the graph of the function $f(x)=\sqrt[3]{x},$ so the domain and the range of both functions are the same. This option is false.

B. The graph of the function $f(x)=\dfrac{1}{2}\sqrt[3]{x}$ is vertically shrunk by a factor $\frac{1}{2}$ the graph of the function $f(x)=\sqrt[3]{x},$ so the domain and the range of both functions are the same. This option is true.

C. The graph of the function $f(x)=\dfrac{1}{2}\sqrt[3]{(x-2)}$ is translated 2 units to the right and vertically shrunk by a factor $\frac{1}{2}$ the graph of the function $f(x)=\sqrt[3]{x},$ so their graphs are similar except the first graph is shifted right and shrunk vertically by a factor of $\frac{1}{2}.$ . This option is true.

D. The function $f(x)=\dfrac{1}{2}\sqrt{x}$ has the domain and the range all non-negative real values. The function $f(x)=\sqrt[3]{x}$ has the domain and the range all real values. So this option is false.

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Vsevolod [243]

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A model car travels 20 meters in 15 seconds how many will it travel in 45 seconds ​

A model car travels 20 meters in 15 seconds how many will it travel in 45 seconds