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Mashutka [201]
2 years ago
4

Ms. Rodriguez purchased markers to use on her class whiteboard. She bought a total of 16 markers and three times as many blue ma

rkers as red markers. Set up the two equations that can be used to find the number of markers of each color that Ms. Rodriguez purchased. Let constraint 1 refer to the equation that represents the total number of markers. Let constraint 2 refer to the equation that describes the ratio of the number of blue markers to red markers.
Only constraint ____
would be met if Ms. Rodriguez purchased 3 red markers and 9 blue markers.

Only constraint ____
would be met if Ms. Rodriguez purchased 6 red markers and 10 blue markers.

Mathematics
1 answer:
Keith_Richards [23]2 years ago
8 0

Answer:

Dude I'm sorry I looked everywhere for the answer and I can't find it at all if you have found the answer by now would you please share it. And I posted the question under, so if someone doesn't under the question they can click one it and try to figure it out.

Hold on I think I figured it out it <em><u>might be wrong </u></em>so don't take my word for this but, constraint 1... (R+B=12), constraint 2... (R+B=16)

Step-by-step explanation:


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Mike and Krista rent a jet ski while on vacation. The rental cost is represented by the function c(h)=50+20h, where the number o
Step2247 [10]

Answer:

130

Step-by-step explanation:

Given the equation of the relation as c(h) =50 +20 h where c(h) is the total cost for h hours and h is the number of hours of use, then to find the cost of jet ski if 4 hours were used will be;

c(h)=50 +20 h

c(4)=50 +20*4

c(4)=50 +80

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5 0
2 years ago
Suppose the time a child spends waiting at for the bus as a school bus stop is exponentially distributed with mean 7 minutes. De
Gala2k [10]

Answer:

The probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning is 0.148.

Step-by-step explanation:

Let the random variable <em>X</em> represent the time a child spends waiting at for the bus as a school bus stop.

The random variable <em>X</em> is exponentially distributed with mean 7 minutes.

Then the parameter of the distribution is,\lambda=\frac{1}{\mu}=\frac{1}{7}.

The probability density function of <em>X</em> is:

f_{X}(x)=\lambda\cdot e^{-\lambda x};\ x>0,\ \lambda>0

Compute the probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning as follows:

P(6\leq X\leq 9)=\int\limits^{9}_{6} {\lambda\cdot e^{-\lambda x}} \, dx

                      =\int\limits^{9}_{6} {\frac{1}{7}\cdot e^{-\frac{1}{7} \cdot x}} \, dx \\\\=\frac{1}{7}\cdot \int\limits^{9}_{6} {e^{-\frac{1}{7} \cdot x}} \, dx \\\\=[-e^{-\frac{1}{7} \cdot x}]^{9}_{6}\\\\=e^{-\frac{1}{7} \cdot 6}-e^{-\frac{1}{7} \cdot 9}\\\\=0.424373-0.276453\\\\=0.14792\\\\\approx 0.148

Thus, the probability that the child must wait between 6 and 9 minutes on the bus stop on a given morning is 0.148.

6 0
2 years ago
EVELYN HAD 9 DOLLS, BUT SHE LOST 1/3RD OF THEM AT DAYCARE. HOW MANY TOTAL DOLLS WOULD EVELYN HAVE HAD IF SHE HAD NOT LOST THEM?
Elanso [62]

Answer:

Total Dolls would Evelyn have had if she had not lost them = 9 Dolls

Step-by-step explanation:

As given,

Total dolls Evelyn had = 9

Total dolls lost = \frac{1}{3}× 9 = 3

So, Now

Evelyn had total dools after lost = 9 - 3 = 6

If she had not lost te dolls , then she had 3 dolls more

∴ we get

If she had not lost any dolls , Evelyn had total dolls = 6 + 3 = 9

So, The answer would be :

Total Dolls would Evelyn have had if she had not lost them = 9 Dolls

3 0
1 year ago
Successive discounts of 20% and 10% are taken on an item priced at $16. Describe how to find the sale price of the item and give
icang [17]
<span>Successive discounts of 20% and 10% are taken on an item priced at $16.
=> Let's find out how much is the discount in all.
=> 16 dollars * .20 = 3.2 dollars
=> 16 - 3.2 = 12.8 dollars.
then another 10% discount,
=> 12.8 * .10 = 1.28 dollars
=> 12.8 - 1.28 = 11.52 dollars is not the price minus the discounts,</span>
5 0
2 years ago
Read 2 more answers
How much fruit juice (100%) is equivalent to 1 cup of fresh fruit?​
Hoochie [10]
<span>b. ​1 cup 
beacuse i had that question before a got it right</span>
4 0
2 years ago
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