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densk [106]
4 years ago
8

K=-3 N=-4 -K²-3(3K-7N)+5

Mathematics
1 answer:
solong [7]4 years ago
4 0

Answer:

all work is pictured and shown

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For each function shown:
yaroslaw [1]

Answer:

Step-by-step explanation:

Function (1) has been given as,

y = 0.5 + 3x

Table for the points on this function,

x        0         1          2          3         4

y       0.5     3.5       6.5      9.5     12.5

y_2-y_1=3.5-0.5=3

y_3-y_2=6.5-3.5=3

There is a common difference of 3 each successive term of y from the previous term.

Therefore, starting point of the function is (0, 0.5)

There is a linear growth of 3 with the increase in the value of x.

Function (2),

y = 3(0.5)ˣ

x       0         1          2           3           4

y       3        1.5     0.75     0.375   0.1875

Starting point of the function will be (0, 3)

There is a common ratio of 0.5 in each successive term to the previous term.

\frac{y_2}{y_1}=\frac{1.5}{3}=0.5

\frac{y_3}{y_2}=\frac{0.75}{1.5}=0.5

Function (2) increases exponentially with a common ratio of (0.5) with the increase in x.

8 0
4 years ago
Mai bought a television for $330. The tax rate is 8%. What is thr total amount Mai paid for the television? Enter you answer in
nignag [31]
Here is the Final Price: <span>$356.40

</span>
6 0
4 years ago
Read 2 more answers
Jonathan bought a Gucci belt in Chinatown for $35.00. The belt was on sale for ⅓ off the regular price. Then, an additional 8% w
leonid [27]

Answer:

<u>The original price of the belt was $ 59.32 and Jonathan paid $ 35 for it.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Amount Jonathan paid for the belt = $ 35

Discount = 1/3 off the regular price

Coupon = additional 8% = 0.08

2. How much did the Gucci belt cost Jonathan? Show your work or explain how you know.

We assume the question is asking for the original price of the belt, then we make this calculation:

Amount Jonathan paid for the belt = (Original price - Discount) - Coupon

Replacing with the values we know:

Original price = x

35 = (x - 1/3x) - 0.08x

35 = 2/3x - 0.08x

35 = 0.67x - 0.08x

35 = 0.59x

x = 35/0.59

x = 59.32

<u>The original price of the belt was $ 59.32 and Jonathan paid $ 35 for it.</u>

4 0
3 years ago
Solve for a. 7a-2b=5a+b
velikii [3]
8.5b.
7a= 5a +3b
-5a -5a
2a = 3b
/2
a= 1.5b
Solve by substitution and you get;
8.5b=8.5b
Because of the lack of constants in the equation there isn't a definite answer.
7 0
3 years ago
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In a shelter, the number of kennels is proportional to the number of dogs. The constant of proportionality in terms of dogs per
JulijaS [17]
(27 divided by three because there are only permitted 3 doggies per kennel so the answer is 9)the ratio will be 9 : 27 or simplified version is 3:9
5 0
4 years ago
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