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3 years ago

HELPPP MEHHHHHHHHH!!!:(

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

6 0

Answer:

Step-by-step explanation:

Rounding 5 to the nearest tenth would give you 1 and adding 1 to 9 would give you 10 which would 10 tenths which is 1

Licemer1 [7]3 years ago

6 0

Answer:

The length of the quarter rounded to the nearest tenths place is 1.00 in. :)

Step-by-step explanation: When rounding the number five, you always round up.

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Correct answer gets brainliest

Karo-lina-s [1.5K]

Answer:

B. 9 < 7 or x > 16.

Step-by-step explanation:

I had the same question and the answer was B.

7 0

3 years ago

Find the y intercepts of 3x^2+24x-51. quadratic formula

julia-pushkina [17]

Quadratic Formula: $x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$ , with a = x^2 coefficient, b = x coefficient, and c = constant.

Firstly, starting with the y-intercept. To find the y-intercept, set the x variable to zero and solve as such:

$y=3*0^2+24*0-51\\y=0+0-51\\y=-51$

Your y-intercept is (0,-51).

Next, using our equation plug the appropriate values into the quadratic formula:

$x=\frac{-24\pm \sqrt{24^2-4*3*(-54)}}{2*3}$

Next, solve the multiplications and exponent:

$x=\frac{-24\pm \sqrt{576-(-648)}}{6}\\\\x=\frac{-24\pm \sqrt{576+648}}{6}$

Next, solve the addition:

$x=\frac{-24\pm \sqrt{1224}}{6}$

Now, simplify the radical using the product rule of radicals as such:

Product Rule of Radicals: √ab = √a × √b

√1224 = √12 × √102 = √2 × √6 × √6 × √17 = 6 × √2 × √17 = 6√34

$x=\frac{-24\pm 6\sqrt{34}}{6}$

Next, divide:

$x=-4\pm \sqrt{34}$

The exact values of your x-intercepts are (-4 + √34, 0) and (-4 - √34, 0).

Now to find the approximate values, solve this twice: once with the + symbol and once with the - symbol:

$x=-4+ \sqrt{34},-4- \sqrt{34}\\x\approx 1.83, -9.83$

The approximate values of your x-intercepts (rounded to the hundredths) are (1.83,0) and (-9.83,0).

5 0

4 years ago

Any suggestions or answers

Maru [420]

The answer is Option A. Because the rate of change is that the tire loses 3 air pressure every hour, it is a constant, making it a linear relationship.

4 0

4 years ago

Use the data for each plats growth and compare the

Mademuasel [1]

You didn’t show us the answers we can choose, how do we solve it then

4 0

3 years ago

PLEASE HELP ME SOLVE BOTH 30 POINTS!!!

balu736 [363]

Answer:

1) x = 4

2) a square root cannot be equal to a negative value

Step-by-step explanation:

1) add 1 to each side

2) square each side

(√2x + 1)² = 3²

2x + 1 = 9

2x = 8

x = 4

2) subtract 4 from each side

√2x + 1 ≠ -5

8 0

3 years ago