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3 years ago

5

Please help with these few!!?

1 answer:

nekit [7.7K]3 years ago

7 0

Answer:

Triangle 6: 74

Triangle 7: 29

Triangle 8: 61

Triangle 9: 33

Step-by-step explanation:

Every triangle has a total degree angle of 180 degrees. Add the two sides that are known and subtract the sum from 180 degrees to find out the last angle.

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Ralph opened a savings acount with a deposit of $100. Every month after that he deposits $20 more. Why is the relationship descr

mel-nik [20]

Proportional relationships are also known as direct variation, in which you multiply by a constant, it is represented by the equation y = kx.

Therefore, this is not Proportional because we are ADDING $20 more and not multiplying by a constant.

6 0

3 years ago

Read 2 more answers

5. Bobby guessed there were 92 jelly beans in a jar. There were actually 107 2 points

skelet666 [1.2K]

Answer: 14%

Step-by-step explanation:

From the question, we are informed that Bobby guessed there were 92 jelly beans in a jar when there were actually 107. The percentage error will be:

= Difference in error / Actual value × 100

= (107 - 92) / 107 × 100

= 15/107 × 100

= 0.14 × 100

= 14%

6 0

3 years ago

20. 64% of the people at the movie theater bought popcorn in one weekend. For the next weekend, if the movie theater expects 125

Yuki888 [10]

Answer:

26

Step-by-step explanation:

20.64 divided by 100 then multiplied by 125 which will result in you receiving the answer 25.8 but I rounded it off to 26

3 0

3 years ago

According to recent UN figures, the annual gun homicide rate is 62.4 per one million residents in the US and 1.3 per one million

ss7ja [257]

Answer:

$P_D=61.1*10^{-4}$

$R_r=480$

Step-by-step explanation:

From the question we are told that

Homicide rate in US $R_U=62.4\ per\ one\ million$

Homicide rate in Britain $R_B=1.3\ per\ one\ million$

Generally the equation for probability of homicide is mathematically given as

$P=\frac{R}{10^6}$

Generally the equation for probability of homicide in US is mathematically given as

$P_U=\frac{62.4}{10^6}$

$P_U=62.4*10^{-4}$

Generally the equation for probability of homicide in Britain is mathematically given as

$P_B=\frac{1.3}{10^6}$

$P_B=1.3*10^{-5}$

a)Generally the difference b/w the probabilities P_D is mathematically given as

$P_D=P_U-P_B$

$P_D=62.4*10^{-4}-1.3*10^{-5}$

$P_D=61.1*10^{-4}$

Therefore US annual homicide is $P_D=61.1*10^{-4}$ greater than Britain's

b)Generally the Relative risk is R_r is mathematically given as

$R_r=\frac{P_U}{P_B}$

$R_r=\frac{62.4*10^{-4}}{1.3*10^{-5}}$

$R_r=480$

3 0

3 years ago

Solnce55 [7]

............15n+12b

5 0

3 years ago