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Maru [420]
2 years ago
10

ethan is saving money in his piggery bank for his upcoming trip to disney world. on the first day me put 10$ and plans to add 5

more dollars each day. How much money will be have in the 18th day?
Mathematics
1 answer:
Eva8 [605]2 years ago
7 0

Answer:

100

Step-by-step explanation:

18×5 dollars per day= 90+10=$100

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Question 3
Fiesta28 [93]
Answer: y = -6x + 2

m = y_2 - y_1
/ x_2 - x_1

-10 - 8
/ 2 - (-1)

= -18/3 = -6

m (slope) = -6

y = mx + b
y = -6x +b

Find b using (-1,8)
y = -6x +b
8 = -6(-1) + b
8 = 6 + b
-6 -6
2 = b

Final answer: y = -6x + 2

To check using one of the points: (-1,8) or (2,-10)
y = -6x + 2
-10 = -6(2) + 2
-10 = -12 + 2
-10 = -10
This is a true statement.
5 0
2 years ago
Can someone help me plz
galben [10]

Step-by-step explanation:

the answer is in the image above

6 0
2 years ago
If f(x)=2x²-x find f(-3)
ivolga24 [154]

Answer:

21

Step-by-step explanation:

f(x) = 2x^2 - x

f(-3) = 2*(-3)^2 - (-3)

=2*9 +3

=18 +3

=21

3 0
3 years ago
Read 2 more answers
Simplify (2*4)−1.
EastWind [94]

The simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

<h3>What is an integer exponent?</h3>

In mathematics, integer exponents are exponents that should be integers. It may be a positive or negative number. In this situation, the positive integer exponents determine the number of times the base number should be multiplied by itself.

It is given that:

The number expression is:

= (2⁴)⁻¹

Using the properties of the integer exponent:

= 1/2⁴

The above number is one over two raised to the fourth power

Thus, the simplification form of the number expression (2⁴)⁻¹ is 1/2⁴ option (B) one over two raised to the fourth power is correct.

Learn more about the integer exponent here:

brainly.com/question/4533599

#SPJ1

6 0
2 years ago
What is the value of s in the equation 4(2s − 1) = 7s + 12? <br> 12<br> 16<br> 32<br> 34
erastova [34]
You start by distributing: 8s-4=7s+12
Combine like terms: 8s-7s=12+4
Solve and get your answer: s=16
3 0
3 years ago
Read 2 more answers
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