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MAVERICK [17]
3 years ago
11

Answer all or none! Ty!​

Mathematics
1 answer:
Tcecarenko [31]3 years ago
3 0
1) You can make about 6 bracelets because 43 divided by 6.8 is 6.3235 so you round it to 6.

2) The answer is 14.4 miles because that’s what 3.6x4 equals.

3) The answer would be $63.09 because 7.01x9=63.09

4) The answer is 1.35 , you just have to multiply 0.5 and 2.7

5) The answer is 9.432 seconds

6) For aluminum it would be $1.15 and for copper it would be $3.24

7) 0.21 x 10 = 2.1

8) 45.35 divided by 10,000 = 0.004535

9) 6.02 x 0.1 = 0.602

10) 9.4 divided by 0.01 = 940

11) 15.5

12) $695
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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
3 years ago
The table shows the linear relationship between cost, in dollars, y, and tacos purchased, x.
salantis [7]

Answer:

1.3

Step-by-step explanation:

Slope = 1.3

5 0
3 years ago
3(5x-2)=15x-6 is their a solution or no
fenix001 [56]

Answer: 0 = 0

Step-by-step explanation: there is no solution  

6 0
3 years ago
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18. What is the value of j in the equation √ j + √ j + 14 = 3√ j + 10? A. 16 B. √ 2 C. 4 D. 2
Rudik [331]

Answer:

  A. 16

Step-by-step explanation:

The equation can be simplified to ...

  2√j +14 = 3√j +10

  4 = √j . . . . . add -2√j -10

  16 = j . . . . . . square both sides

4 0
3 years ago
Please help me with this
zvonat [6]

Answer:

Hey there!

The answer is 6/7h=4.

This means that 6/7 of his brother's height is four feet, which is Bryce's height.

Let me know if this helps :)

4 0
3 years ago
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