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3 years ago

A car is driving at 65 kilometers per hour. How far, in meters, does it travel in 4 seconds?

Mathematics

1 answer:

Mumz [18]3 years ago

8 0

Answer:

72.2 m

Step-by-step explanation:

65 km/1 h = (65000 m / 3600s) = 18.05 m/s

Distance = speed * time = 18.05 m/s*4 s = 72.2 m

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Solve by substitution ANSWER NOW

Maslowich

Y = -5x + 9
y = 5x + 7

5x + 7 = -5x + 9
5x + 5x = 9 - 7
10x = 2
x = 2/10 reduces to 1/5

y = 5x + 7
y = 5(1/5) + 7
y = 1 + 7
y = 8

solution is (1/5,8)

5 0

3 years ago

suppose that two current exchange rates are US $1 = 117.9 Yen and 1 peso = US $0.0476. What is the value of 1 peso in yen?

CaHeK987 [17]

1245 is your answer u welcome !!!!!!!!!

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3 years ago

LOIHal y LU LIC LOIVCI SC VILHC ISUSLCICS langic TCUICHT

vlada-n [284]

Answer:

straight angle

Step-by-step explanation:

A straight angle is one whose measure is 180°. Its formative rays point in opposite directions from the vertex and make a straight line.

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3 years ago

Which expression is equivalent to StartFraction b Superscript negative 2 Baseline Over a b Superscript negative 3 Baseline EndFr

nignag [31]

Answer:

$\frac{b^{-2}}{ab^{-3}}=\frac{b}{a}$

Step-by-step explanation:

Writing the description in algebraic translation

$\frac{b^{-2}}{ab^{-3}}$

so we have to find the expression which will be equal to $\frac{b^{-2}}{ab^{-3}}$ .

Considering the expression

$\frac{b^{-2}}{ab^{-3}}$

$\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}$

$\frac{b^{-2}}{b^{-3}}=b^{-2-\left(-3\right)}$

so the expression becomes

$=\frac{b^{-2-\left(-3\right)}}{a}$ ∵ $\frac{b^{-2}}{b^{-3}}=b^{-2-\left(-3\right)}$

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$=\frac{b}{a}$

Therefore,

$\frac{b^{-2}}{ab^{-3}}=\frac{b}{a}$

7 0

3 years ago

Read 2 more answers

I need this asap! Will mark as brainlyest

Andrews [41]

Answer:

I'm not 100% sure but I think 3 days.

Step-by-step explanation:

he clears 2/3 acres every 2 days. 1 day would be half of that, which is 1/3. add those together and you get 1 acre. add the days together and you get 3 days.

Please mark brainliest!!

7 0

3 years ago