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kakasveta [241]
1 year ago
7

• Texas: 2.69 x 10 5 square miles • Rhode Island: 1.21 x 10 3 square miles Determine the difference, in square miles, between th

e area of Texas and the area of Rhode Island. Write your answer in scientific notation. ​​​​​​​(2019)
Mathematics
1 answer:
BabaBlast [244]1 year ago
8 0

Answer:

The difference between the area of Texas and Rhode Island in square miles and scientific notation = (2.68 × 10⁵) square miles.

Step-by-step explanation:

Area of Texas = (2.69 × 10⁵) square miles = 269000 square miles

Area of Rhode Island = (1.21 × 10³) square miles = 1210 square miles

Difference between the Area of the Texas and Rhode Island = 269000 - 1210 = 267,790 square miles = (2.68 × 10⁵) square miles.

The difference between the area of Texas and Rhode Island in square miles and scientific notation = (2.68 × 10⁵) square miles.

Hope this Helps!!!

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Olivia and ray walk to school. olivia walks 1\4 of a mile to school. her walks is 2\3 of the distance that ray walks to school.
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2/3   correspond to ------> 0.6666------> 66.67 %
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if  (2/3)-----------> 1/4 mile
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<span>Ray walks to school 3/8 miles (0.375 miles)</span>
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JUST ONE MORE I NEED HELP ON HW IM STRUGGLING 15pts
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A batter strikes a baseball. the equation y = -0.005^2 +0.7x + 3.5 models its path, where x is the horizontal distance, in feet,
hram777 [196]

Answer:

(D)144.8 feet

Step-by-step explanation:

Given the equation which models the path of the baseball

y = -0.005x^2 +0.7x + 3.5

where x is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball.

To determine how far from the batter the ball will land, we determine the distance x at which the height, y=0.

y = -0.005x^2 +0.7x + 3.5=0

-0.005x^2 +0.7x + 3.5=0

We use the quadratic formula to solve.

In the quadratic equation above, a=-0.005, b=0.7, c=3.5

x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a} \\=\dfrac{-0.7\pm\sqrt{0.7^2-4(-0.005*3.5)} }{2*-0.005} \\=\dfrac{-0.7\pm\sqrt{0.49+0.07} }{-0.01}\\=\dfrac{-0.7\pm\sqrt{0.56} }{-0.01}\\x=\dfrac{-0.7+\sqrt{0.56} }{-0.01} \: or\: x=\dfrac{-0.7-\sqrt{0.56} }{-0.01}\\x=-4.83 \: or\: x=144.83

Since x cannot be negative, x=144.8 feet to the nearest tenth of a foot.

<u>The correct option is D.</u>

6 0
2 years ago
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