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rosijanka [135]
3 years ago
6

PLEASE HELP AS SOON AS U CSN THE FIRST PERSON TO SNSWER WILL BE MARKED BRAINLYEST! Slide green dot from 0 to plot the number at

the correct location.
Use the number line to determine where to plot each rational number

4.2 is?
1.between 4 and 5 closer to 4
2. Between 4 and 5, closer to 5
3. Between 3 and 4 closer to 4

7/8 is:
1. between 1 and 2, closer to 1
2. Between 1 and 2 closer to 2
3. Between 0 and 1, closer to 1

-9/5 is:
1. between 0 and -1, closer to -1
2. Between -1 and -2, closer to -2
3. Between -1 and -2, closer to -1

Mathematics
1 answer:
12345 [234]3 years ago
6 0

Answer:

4.2 is: 1.) between 4 and 5 closer to 4

7/8 is: 3.) between 0 and 1 closer to 1

-9/5 is: 2.) between -1 and -2, closer to -2

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Jason and Jenny are out on a lunch date. Jason gives Jenny a bouquet that has 4 roses, 3 carnations, and 4 orchids. They decide
Umnica [9.8K]
The probability that Jenny gets to choose lunch is  64%  0.64 (rounded) or 0.636.

Work:

Number of roses and carnations divided by the total number of flowers

<span>7/11 = 0.636 = 0.64 (rounded)</span>
4 0
3 years ago
What is the value for B, after the equation cap a equals start fraction three over seven end fraction left parenthesis cap b min
r-ruslan [8.4K]

<u><em>Answer:</em></u>

B = \frac{7}{3}A + 25

<u><em>Explanation:</em></u>

<u>The given equation is:</u>

A = \frac{3}{7} (B-25)

To get the value of B, we will need to isolate it on one side of the equation

<u>This is done as follows:</u>

A = \frac{3}{7} (B-25)  

<u>1- Multiply both sides by \frac{7}{3} to get rid of the fraction:</u>

\frac{7}{3}A = B - 25

<u>2- Add 25 to both sides of the equation:</u>

\frac{7}{3} A + 25 = B

Based on the above:

B = \frac{7}{3}A + 25

Hope this helps :)

3 0
3 years ago
The initial value of a quantity Q (at year t = 0) is 112.8 and the quantity is decreasing by 23.4% per year. a) Write a formula
Svetach [21]

Answer:

a) Q(t) = 112.8*(0.766)^{t}

b) When t = 10, Q = 7.845.

Step-by-step explanation:

The value of a quantity after t years is given by the following formula:

Q(t) = Q_{0}(1 + r)^{t}

In which Q_{0} is the initial quantity and r is the rate that it changes. If it increases, r is positive. If it decreases, r is negative.

a) Write a formula for Q as a function of t.

The initial value of a quantity Q (at year t = 0) is 112.8.

This means that Q_{0} = 112.8.

The quantity is decreasing by 23.4% per year.

This means that r = -0.234

So

Q(t) = 112.8*(1 - 0.234)^{t}

Q(t) = 112.8*(0.766)^{t}

b) What is the value of Q when t = 10?

This is Q(10).

Q(t) = 112.8*(0.766)^{t}

Q(t) = 112.8*(0.766)^{10} = 7.845

When t = 10, Q = 7.845.

4 0
4 years ago
The lengths of text messages are normally distributed with a population standard deviation of 4 characters and an unknown popula
umka21 [38]

Answer:

The answer is "(25.32, 30.68)"

Step-by-step explanation:

Given:

\bar x = 28\\\\ \sigma = 4\\\\n =26\\\\

When 98\% confidence level so, the z:

\alpha = 1 - 98\% = 1 - 0.98 = 0.2\\\\\frac{\alpha}{2} =\frac{0.02}{2} = 0.01\\\\Z_{\frac{\alpha}{2}} = Z_{0.01} = 1.645\ \ \  ( Using \ z \ table )\\\\

E = Z_{\frac{\alpha}{2} \times ( \frac{\sigma}{\sqrt{n}})  

= 1.645 \times (\frac{4}{\sqrt{26}})\\\\=2.68

When  98% confidence interval estimate of the population mean  is,

\bar x - E < \mu < \bar x + E\\\\28 - 2.68 <  \mu < 28 + 2.68\\\\25.32 <  \mu < 30.68\\\\(25.32,  30.68)\\\\

7 0
3 years ago
X^2-6x+18 in vertex form
Naddik [55]
X^2-6x+18
(X^2-6x+9-9)+18
(X-3)^2-9+18
(X-3)^2+9
Hope this helps!
3 0
4 years ago
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