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yan [13]
3 years ago
15

HELPPPP I WILL MARK BRAINLIEST IF RIGHT

Mathematics
2 answers:
meriva3 years ago
7 0

Answer:

Step-by-step explanation:

No, yes, no, yes

Oduvanchick [21]3 years ago
3 0

Answer:

1) No

2)Yes

3)No

4)Yes

Step-by-step explanation:

405 divided by 99 equals 4.09 repeated

401 divided by 99 equals 4.05 repeated

81 divided by 33 equals 2.45 repeated

802 divided by 198 equals 4.05 repeated

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State the null and alternative hypothesis in symbols and words. Assume conditions have been met. (2 pts.) Perform your hypothesi
Sonbull [250]

Answer:

The problem is clearly solved in the attachment

3 0
3 years ago
Patricia serves the volleyball to Amy with an upward velocity of 17.5ft/s. The ball is 5 feet above the ground when she strikes
Lena [83]

t = 1.33 sec

Solution:

Given data:

Velocity (v_0) = 17.5 ft/s

Height (h_0) = 5 ft

The height can be modeled by a quadratic equation

h(t)=-16t^2+v_0t+h_0

where h is the height and t is the time

h(t)=-16t^2+17.5t+5

-16t^2+17.5t+5=0

a = –16, b = 17.5, c = 5

It looks like a quadratic equation. we can solve it by quadratic formula,

$\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}

$\Rightarrow t=\frac{-17.5 \pm \sqrt{(-17.5)^{2}-4\times (-16)(5)}}{2 (-16)}

$\Rightarrow t= \frac{-17.5 \pm \sqrt{306.25+ 320}}{-32}

$\Rightarrow t= \frac{-17.5 \pm 25.025}{-32}

$\Rightarrow t= \frac{-17.5 - 25.025}{-32}, \ t= \frac{-17.5 + 25.025}{-32}

$\Rightarrow t= 1.33, \ t= -0.24

Time cannot be in negative. So neglect t = –0.235.

t = 1.33 sec

Hence Amy have to react  1.33 sec before the volleyball hits the ground.

3 0
3 years ago
Whats is the answer to 3/4 times 12
tigry1 [53]
The answer will be 9
3 0
3 years ago
Read 2 more answers
Divide. <br><br> 8.844 ÷ 0.04 = <br><br><br> and <br> Divide. <br><br> 0.48 ÷ 120 =
miskamm [114]
221.1 and .0004 are the answers.
6 0
3 years ago
How to find the y intercept for4x+6y=270
Ugo [173]

make y the subject!

4x+6y=270

6y=-4x+270

y=-2/3x+45

y-intercept is 45

4 0
3 years ago
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