Meredith picked four times as many green peppers as red peppers if she picked a total of 20 peppers how many green peppers did he pick

Answers

Answer 1
Answer: i think the answer is 5 because 4 x 5 is 20, 4 times as many as 5 is 20
Answer 2
Answer: i think the answer is 5 because 4x5 is 20, 4 times as many as 5 is 20

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Find the value or values of x in the quadratic equation x2=6x-9.

Answers

Hi Harris


x²=6x-9

First thing we need to do is

subtract 6x-9 from the booth sides

x²-(6x-9)=6x-9-(6x-9)

x²-6x+9=0

Now we gonna factor the left side

(x-3)(x-3)=0

Set factor equal 0

x-3=0 or x-3=0

x=3


I hope that's help !

x² = 6x - 9, or x² - 6x + 9 = 0, or x² - 2*x*3 + 3² = 0, or (x-3)² = 0 => x₁ = x₂ = 3.

Green eyes.

У= -2
4х – Зу = 18
Solve System Of Equations Using Substitutions

Answers

Answer:

x = 3

Step-by-step explanation:

4x - 3(-2) = 18

4x + 6 = 18

4x = 12

4x/4 = 12/4

x = 3

We're solving for x right?

jens motorboat travels at a speed of 15mph in still water, the river flows at a speed of 2pmh, how long will it take jen to travel 20mi upstream? 20mi downstream?

Answers

The speed of the motorboat travelling up stream will be 13mph, therefore it will take 20/13 hours to travel 20 miles upstream. This is about 1 and a half hours. The speed of the motorboat travelling downstream will be 17mph, therefore it will take 20/17 hours to travel 20 miles downstream. This is about 1 hour 10 minutes.

A company stock is valued at $25.15 per share. The stock is losing value at a rate of $1.75 per day. What is the stock's value after 3 days?

Answers

Three days the stock would lose 1.75*3 or $5.25, and the stock would be worth $19.9.

Prices were recorded for all the loaves of bread in a supermarket, the mean price for a loaf of bread was $1.37 with a standard deviation of $0.67, Find the probability that if 13 loaves are selected the mean price is less than $1.00. A 0.0032


B 0.5643


C 0.9105


D 0.0233

Answers

Answer:

z = (1-1.37)/((0.67)/(√(13))) = -1.991

And we want this probability:

P(z<-1.991)

And using the normal standard distribution or excel we got:

P(z<-1.991)= 0.0233

And the best option would be:

D 0.0233

Step-by-step explanation:

For this case we have the following parameters:

\mu = 1.37, \sigma =0.67

And we select a sample size of n=13. And we want to find this probability:

P(\bar X <1)

We can assume that the distribution for this case is normal and then we can use the z score formula given by:

z= (\bar X -\mu)/((\sigma)/(√(n)))

And if we replace the data given we got:

z = (1-1.37)/((0.67)/(√(13))) = -1.991

And we want this probability:

P(z<-1.991)

And using the normal standard distribution or excel we got:

P(z<-1.991)= 0.0233

And the best option would be:

D 0.0233

115 = 5k equations and inequalities
help pl0x

Answers

Answer:

\sf{115 = 5k}

:  \implies \sf{5k = 115}

:  \implies \sf{k =   \cancel(115)/(5) }

:  \implies \sf{k = 23}

Answer: 23

Explanation:

115=5k
115/5=5/5k
23=k