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3 years ago

15

Jared bought a new widescreen television that has a screen width of 32 inches and a height of 18 inches what is the aspect ratio

of the screen

1 answer:

Snezhnost [94]3 years ago

3 0

The aspect ratio of the new widescreen television is 16:9.

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Find the distance between two points<br> (2, -3) and (2,4).

Damm [24]

Answer:

The distance between the two points is 7 units

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

(2, -3) and (2,4)

substitute the values in the formula

$d=\sqrt{(4+3)^{2}+(2-2)^{2}}$

$d=\sqrt{(7)^{2}+(0)^{2}}$

$d=7\ units$

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4 years ago

In ΔBCD, the measure of ∠D=90°, DC = 16, CB = 65, and BD = 63. What ratio represents the cosine of ∠B?

Alisiya [41]

Answer:

15:17

Step-by-step explanation:

Since the triangle has a right angle, we may find the length of the unknown side using the trigonometric notations SOH CAH TOA where

SOA stands for

Sin Ф = opposite side/hypotenuses side

Cosine Ф = adjacent side/hypotenuses side

Tangent Ф = opposite side/adjacent side

With respect to ∠B given that ∠D=90°,

BD is the adjacent side

CB is the hypotenuse side

and DC is the opposite side

Hence Sin B = 15/17

8 0

3 years ago

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Carole's car averages 13.2 mi/gal in city driving and 25.3 mi/gal in highway driving. If she drove a total of 396.0 mi on 19 gal

nika2105 [10]

Answer:

7 gallons were used for city driving.

Step-by-step explanation:

I am going to solve this question by a system of equations.

I am going to say that:

x is the number of gallons driven in the city.

y is the number of gallons driven in the highway.

19 gal of gas

This means that $x + y = 19$

Carole's car averages 13.2 mi/gal in city driving and 25.3 mi/gal in highway driving. If she drove a total of 396.0 mi.

This means that $13.2x + 25.3y = 396$

How many of the gallons (to the nearest gallon) were used for city driving?

This is x

From the first equation, i will have

$y = 19 - x$

Replacing in the second equation

$13.2x + 25.3y = 396$

$13.2x + 25.3(19 - x) = 396$

$13.2x - 25.3x = 396 - 480,7$

$12.1x = 84.7$

$x = \frac{84.7}{12.1}$

$x = 7$

7 gallons were used for city driving.

5 0

3 years ago

Chuy wants to buy a new television. The television costs $1,350. Chuy decides to save the same amount of money each week, for 27

Simora [160]

Chuy planned on saving $55 a week at the rate hes going he would of saved up in less then 25 weeks he would of needed to save atleast $50 per week to meet his goal

6 0

3 years ago

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A storage container is shaped like a rectangular prism. The volume of the container is 2415 cubic feet. The area of the base of

lubasha [3.4K]

Answer:

11.5 feet

Step-by-step explanation:

To solve this question first you take the volume which is 2415 and divide it by 210 to get your answer as 11.5 feet

8 0

4 years ago

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