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Ann [662]
2 years ago
9

What is the equation of a line with a slope of 7 and a point (1, 8) on the line?

Mathematics
1 answer:
Arturiano [62]2 years ago
8 0
Y = mx + b
slope(m) = 7
(1,8)...x = 1 and y = 8
now we sub into the formula and find b, the y int
8 = 7(1) + b
8 = 7 + b
8 - 7 = b
1 = b
so ur equation is : y = 7x + 1 <===
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Pls help me
bekas [8.4K]

The composite function combines the palm tree and the seed functions

The composite function is t(d) = 60d + 20

<h3>How to determine the composite functions</h3>

The functions are given as:

Number of palm trees: t(s) = 3s + 20

Number of seeds: s(d) = 20d

The composite function that represents the number of palm trees Carlos can expect to grow over a certain number of days is represented as:

t(s(d))

This is calculated as:

t(s(d)) = 3s(d) + 20

Substitute s(d) = 20d

t(s(d)) = 3 * 20d + 20

Evaluate the product

t(s(d)) = 60d + 20

Rewrite as:

t(d) = 60d + 20

Hence, the composite function is t(d) = 60d + 20

Read more about composite functions at:

brainly.com/question/10687170

4 0
2 years ago
Wendy saved up for a family trip to the beach. For each $1 she saved, her parents pledged to save $5. If her parents were able t
viva [34]
225/5 = 45
This means the parents gave her five dollars forty five times. If they gave her a five every time she saved one dollar, you just have to multiply the money she saved each time and the number of times she saved it, and you'll get the answer. 
Wendy saved $45 by herself
6 0
3 years ago
Read 2 more answers
Claudia is going to buy a used car for $9,500. She can finance it at the car dealership at 11% interest for 3 years, or she can
Thepotemich [5.8K]

Answer:

i dont know sorry

Step-by-step explanation:

5 0
3 years ago
If an ipod was 40% off and the original price was $129 how much was the amount of the dicount?
Drupady [299]

Answer:

77.4 el valor del ipod con el 40% de descuento  

vStep-by-step explanion

40%/  100%= 0.4

0.4x129=  51.6( la cantidad que nos van a descontar)

129-51.6=77 .4 es el valor del ipod con el 40% de descuento

6 0
2 years ago
Use the Distributive Property to write each expression as an equivalent algebraic expression.
Romashka [77]

Answer:

9x - 45

Step-by-step explanation:

To simplify this expression, we need to use Distributive Property to get rid of the parentheses. So, we multiply the -9 by everything inside the parentheses.

-9(-x + 5)

-9 · -x = 9x

-9 · 5 = -45

Now we add our products together.

9x + -45

Since there is a '+' sign and a '-' sign next to each other, we can simplify it to just a '-'.

9x - 45

Hope this helped! Let me know if you have any other questions! :)

6 0
3 years ago
Read 2 more answers
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