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Ksivusya [100]
1 year ago
10

Help meeeeeeeeeeeeeee pleaseeeeeee

Mathematics
1 answer:
Rina8888 [55]1 year ago
8 0

Answer: 2.5, 5.4

Step-by-step explanation:

-16t^2 +126t=213\\\\16t^2 -126t+213=0\\\\t =\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(213)}}{2(16)}\\\\t \approx 2.5, 5.4

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Pls help I’m been stuck
ziro4ka [17]

Answer:

ANSWER: ADC=82

bda = 144

(7x+34)+(9x+46)=144

16x+80=144

16x=64

x=4

9(4)+46=82

adc=82

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A server brings 9 bread sticks to a table with 4 people. How many bread sticks each persons gets ?
AURORKA [14]

Answer:

2 1/4

Step-by-step explanation:

Each person gets 2 1/4 bread sticks.

9÷4= 2 1/4

3 0
3 years ago
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Explain why three-dimensional graphs can be misleading. What would be a better type of graph to
scoundrel [369]

three-dimensional graphs wouldn´t give you the right information but two-dimensional graphs would give you the actual size of the shape.

6 0
3 years ago
The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statis
Ainat [17]

Answer:

The test statistic Z = 3.125

Step-by-step explanation:

<em>Given Population proportion P = 0.25</em>

<em>Given sample size 'n' = 696</em>

<em>Sample proportion 'p⁻' = 0.30</em>

Test statistic

                 Z = \frac{p^{-}  -P}{\sqrt{\frac{P Q}{n} } }

                 Z = \frac{0.30-0.25}{\sqrt{\frac{0.25 X 0.75}{696} } }  = 3.125

<u><em>Final answer</em></u>:-

The test statistic Z = 3.125

3 0
3 years ago
PLZ ANSWER FAST!!!
Triss [41]

Answer:

First option.

Third option.

Fifth option.

Hope this helps :)

 

5 0
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