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atroni [7]
2 years ago
9

Jeremy is taking a photography class, but he doesn't own a camera. The class organizers will rent him a camera for $6 per day. J

eremy can spend up to $50 for the class, but he has to pay $15 to register for the class as well as rent the camera. The number of days, d, that Jeremy can rent the camera is represented by the inequality 6d + 15 < 50. Select the number of days Jeremy can rent the camera with the money he has.
Mathematics
1 answer:
snow_tiger [21]2 years ago
8 0

Answer:

he can rent the camera for 5 days and will have $5 left over

Step-by-step explanation: he only has $50 , and he has to pay 15 to register which will leave him with 35 left over and then he pays $6 each day and it would be 5 days of renting.

50-15+35

6x5=30 which means he pays $6 everyday for 5 days

which will leave $5 left over

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If a data point has a corresponding z-score of -1.5, then it is one and a half standard deviations above the mean value. 1. True
TEA [102]

Answer: False.

Step-by-step explanation:

For any random variable x,

Formula to calculate the z-score : z=\dfrac{x-\mu}{\sigma}

, where \mu = Mean

\sigma = Standard deviation

Let x be the data point has a corresponding z-score of -1.5.

Then , we have

-1.5=\dfrac{x-\mu}{\sigma}

-1.5\sigma=x-\mu

\mu-1.5\sigma=x

i.e. x is one and a half standard deviations below the mean value.

( one and a half =1+\dfrac{1}{2}=1.5 )

Therefore , the given statement is false.

8 0
3 years ago
Can someone please help me with this
Anuta_ua [19.1K]

Answer:

Perimeter = 18m

Area = 18m²

Step-by-step explanation:

On a rectangle, opposite sides have equal lengths. This means to find the perimeter you would do (3 × 2) + (6 × 2) which is 6 + 12 = 18

The perimeter is 18m

To find the area, you would do length × width. The length is 6 and the width is 3 so 6 × 3 is 18

The area is 18m²

Hope this helps!

4 0
2 years ago
Kevin and his children went into a restaurant and he bought $31.50 worth of hotdogs and drinks. Each hotdog costs $4.50 and each
stich3 [128]

Answer:

<em>He bought 6 hotdogs and 2 drinks</em>

Step-by-step explanation:

<u>System of Equations</u>

Kevin and his children went into a restaurant and bought $31.50 worth of hotdogs and drinks. Each hotdog costs $4.50 and each drink costs $2.25.

To solve the system of equations, we'll call the variables:

x = number of hotdogs

y = number of drinks

The first condition yields the equation:

4.50x + 2.25y = 31.50          [1]

It's also known he bought 3 times as many hotdogs as drinks, thus:

x = 3y         [2}

Substituting [2] in [1]:

4.50(3y) + 2.25y = 31.50

Operating:

13.5y + 2.25y = 31.50

15.75y = 31.50

y = 31.50/15.75

y = 2

And

x = 3*2 = 6

He bought 6 hotdogs and 2 drinks

5 0
3 years ago
Solve for t. d= -16t^2 + 12
IRINA_888 [86]

Answer:

t=√d-12/4 and t=√-d-12/4, d≥12

Step-by-step explanation:

Hope this helps.

3 0
2 years ago
If you take the trinomial (4x2 + 8x + 4) and divide it by (2x + 2), what will you get?
miskamm [114]

I believe the answer is 8x+2

6 0
2 years ago
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