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Licemer1 [7]
3 years ago
8

Help? Please. Thanks???

Mathematics
1 answer:
Naya [18.7K]3 years ago
3 0

The height is represented by d.

d = 10 feet

10 = -  16 {t}^{2}  - 7t + 61 \\ 0 =  - 16 {t}^{2}  - 7t + 51

Use quadratic formula:

t = 1.58, -2.02 (reject)

1.58 seconds

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Given: LMNP is a square A, B midpoints of LM and PN Q ∈ AB m∠LPQ = 45° Find: m∠PQN
lisov135 [29]
Since A and B are the midpoints of ML and NP, we can say that AB is parallel to MN and LP. In order to find ∠PQN, we can work with the triangles PQB and NQB. According to SAS (Side-Angle-Side) principle, these triangles are congruent. BQ is a common side for these triangles and NB=BP and the angle between those sides is 90°, i.e, ∠NBQ=∠PBQ=90°. After finding that these triangles are equal, we can say that ∠BNQ is 45°. From here, we easily find <span>∠PQN. It is 180 - (</span>∠QNP + ∠NPQ) = 180 - 90 = 90°

8 0
4 years ago
Read 2 more answers
Cathy has to deposit $410 worth of five- and tendollar
iogann1982 [59]
(# of five dollar bills=f ; # of ten dollar bills=t)
3t-1=f ⇒ this means that if there were 1 $5 bills, there would be 2 $10 bills.
So the ratio of $5 bills to $10 bills is 1 to 2.
We can plug that into another equation:
f+t=410 ⇒ I havent actually learned this in school yet so I just made a chart:         $10 ║ $5
------║------
2     ║ 1    = $25
4     ║ 2    = $50
6     ║ 3    = $75
8     ║ 4    = $100
10   ║ 5    = $125
and so on...
you probably found the pattern already, so you can conclude that [cathy deposited 16 five dollar bills and 33 ten dollar bills]

A
lso, you should probably check if there are any mistakes when going through this since I took almost an hour writing this.
6 0
3 years ago
According to a report from the Center for Studying Health System Change, 20% of Americans delay or go without medical care becau
Svet_ta [14]

Answer:

The probability no one delays or goes without medical care is 0.168;

The probability only one person delays or goes without medical care is 0.336.

Step-by-step explanation:

This problem can be modeled with a binomial random variable, with sample size n=8 and probability of success p=0.2.

The probability that <em>exactly </em>k Americans delay or go without medical care because of concerns about cost within the sample of eight individuals can be calculated as:

P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{8}{k} 0.2^{k} 0.8^{8-k}\\\\\\

The probability no one delays or goes without medical care (x=0) is:

P(x=0) = \dbinom{8}{0} p^{0}(1-p)^{8}=1*1*0.168=0.168\\\\\\

The probability only one person delays or goes without medical care (x=1) is

P(x=1) = \dbinom{8}{1} p^{1}(1-p)^{7}=8*0.2*0.21=0.336\\\\\\

4 0
3 years ago
16 is 20% of what? Need answer ASAP
xenn [34]

Answer:

80

Step-by-step explanation:

16=20/100

y=3 x 100/20

y = 80%

5 0
3 years ago
Help me pleaseeeeeeeeeeeeeeeeeeeeee
Vesnalui [34]

Answer:

base= 2 cm

Step-by-step explanation:

A=1/2bh

(1/2x)40=1/2b(10)x(1/2)

20=b(10)/10

2=b

5 0
3 years ago
Read 2 more answers
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