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3 years ago

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A car travels at an average speed of 52 miles per hour. How many miles does it travel in 5 hours and 45 minutes?

2 answers:

Dimas [21]3 years ago

4 0

Answer:

299

Step-by-step explanation:

On average, it travels 52 miles in each hour. In 5 3/4 hours, it travels 5 3/4 times 52 miles.

(5 3/4)(52 miles) = 299 miles

It travels 299 miles in the given time.

Sunny_sXe [5.5K]3 years ago

3 0

Answer:

The car will travel 195 miles.

Step-by-step explanation:

(3.75 hrs)(52 mph)=195 miles

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A catering company uses different functions to estimate the itemized costs for a party. The table below represents the included

dlinn [17]

Answer:

Step-by-step explanation:

If the tip varies directly with the number of guests, it means that an increase in the amount of tip would be as a result of an increase in the number of guests and a decrease in the amount of tip would be as a result of an decrease in the number of guests.

If we introduce a constant of proportionality, k , the relationship would be

t = kg

Given that

When t = 18, g = 10, then

18 = k × 10

k = 18/10 = 1.8

Therefore, the equation representing the relationship is

t = 1.8g

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3 years ago

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13.5 is 15% of what number?

german

Answer:

90

Step-by-step explanation:

13.5/.15

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The clerk at the checkout counter earned $350 in 25 hours.

REY [17]

Answer: 14 a hour

Step-by-step explanation:

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3 years ago

Please help! :) Need answer fast!

Vlada [557]

Answer:

x = 3

y = 2

Step-by-step explanation:

When 2 triangles are congruent, they will have exact same 3 sides length and exact same 3 angles measure.

So we can say:

-2x + 6y = 6

and

-7x + 8y = -5

Let's multiply first equation by 7 and 2nd equation by -2, to get:

7 [-2x + 6y = 6] = -14x +42y = 42

and

-2 [-7x + 8y = -5] = 14x - 16y = 10

Now adding these 2 new equations and solving for y:

-14x +42y = 42

14x - 16y = 10

----------------------

26y = 52

y = 52/26

y = 2

Now we put y = 2 into 1st equation (or any other) and solve for x:

-2x + 6y = 6

-2x + 6(2) = 6

-2x + 12 = 6

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3 years ago

Student Produced Response - Calculator

faltersainse [42]

Answer:

$\dfrac{a}{b}=0.75$ .

Step-by-step explanation:

If two equations $a_1x+b_1y+c_1=0$ and $a_2x+b_2y+c_2=0$ has infinitely many solutions, then

$\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$

The given equations are

$ax+by=10$

$3x+4y=20$

It is given that the above system of equations has infinitely many solutions. So,

$\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{10}{20}$

$\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{1}{2}$

Now,

$\dfrac{a}{3}=\dfrac{1}{2}$ and $\dfrac{b}{4}=\dfrac{1}{2}$

$a=\dfrac{3}{2}$ and $b=\dfrac{4}{2}$

$a=1.5$ and $b=2$

So, a=1.5 and b=2.

Now,

$\dfrac{a}{b}=\dfrac{1.5}{2}=0.75$

Therefore, $\dfrac{a}{b}=0.75$ .

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3 years ago