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3 years ago

6

Brainliest 40 POINT YOU HAVE TO MULTIPLY Austin is purchasing a car. The car he would like to purchase comes in 5 different colo

rs, 2 different sets of interiors, and 3 different sizes. How many different combinations of the car does he have to choose from?u

2 answers:

Misha Larkins [42]3 years ago

7 0

Multiply the choices together:

5 x 2 x 3 = 30 different combinations.

svetoff [14.1K]3 years ago

4 0

Well, 5 x 3 x 2 = 30
that’s just math

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What properties makes the equation ture?

Oksi-84 [34.3K]

Answer:

A.2z+5=5+2z

Associative properties

Distributive properties

Commutative properties

Indentity propertie

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3 years ago

How can you add decimals without a place-value chart to make sure you are adding

Semmy [17]

Answer:

You can make sure that you align the decimal dots together.

Step-by-step explanation:

34.5

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You can see that the decimal dot is aligned.

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3 years ago

Jamal ran 2/3 mile. Ming ran 2/4 mile. Liana ran 7/12 of mile. Who ran the farthest? who ran the least?

zmey [24]

Answer:

Jamal ran the farthest.

Ming ran the least.

Step-by-step explanation:

We have to write the number of miles ran by each participant as decimal values, before finding who ran the most and the least.

Important to remember that a fraction is a division, so, for example, 2/3 is 2 divided by 3.

Jamal ran 2/3 mile.

2/3 = 0.667

So Jamal ran 0.667 miles

Ming ran 2/4 mile.

2/4 = 0.5

So Jamal ran 0.5 miles.

Liana ran 7/12 of mile

7/12 = 0.583

So Liana ran 0.583 miles

Who ran the farthest?

Jamal ran the highest amount of miles, so he ran the farthest.

Who ran the least?

Ming ran the least amount of miles, so he ran the least.

3 0

4 years ago

Find the circumference (in cm) of each circle. Use 3.14 for pi. MAKE SURE YOU USE Round your answer to the nearest tenth.

disa [49]

Answer:

Step-by-step explanation:

C=2*3.14*r

radius, r=11.5

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3 years ago

The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its position after t seconds is

anastassius [24]

Answer:

The rate of change of temperature is 1.29 degree Celsius per second.

Step-by-step explanation:

We are given the following information in the question:

The temperature at a point (x, y) is T(x, y), measured in degrees Celsius where x and y are measured in centimeters.

$x = \sqrt{2+t}\\\\y = 5 + \displaystyle\frac{1}{14}t$

$T_x(4,6) = 8, T_y(4,6) = 4$

We have to find the rate at which the temperature is rising on the bug's path after 14 seconds.

At t = 14 seconds, we have,

$x = \sqrt{2+14} = 4\\\\y = 5 + \displaystyle\frac{1}{14}(14) = 5+1 = 6$

To find rate of change of temperature, we differentiate,

$\displaystyle\frac{dT}{dt} = \frac{dT}{dx}\frac{dx}{dt} + \frac{dT}{dy}\frac{dy}{dt}\\\\\displaystyle\frac{dT}{dt} = T_x(x,y)(\frac{1}{2\sqrt{2+t}}) + T_y(x,y)\frac{1}{14}\\\\At~ t = 14, x = 4, y = 6\\\\\frac{dT}{dt} = T_x(4,6)(\frac{1}{2\sqrt{2+t}}) + T_y(4,6)\frac{1}{14}\\\\\frac{dT}{dt} = 8\times \frac{1}{8} +4\times \frac{1}{14} = 1 + 0.2857 = 1.2857$

Thus, the rate of change of temperature is 1.29 degree Celsius per second.

7 0

3 years ago