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Lesechka [4]
3 years ago
9

(_____)-9+2=4 math question​

Mathematics
2 answers:
Tanya [424]3 years ago
6 0
The answer is 15. I hope this helps.
Dovator [93]3 years ago
6 0

Answer:

11

Step-by-step explanation:

x-9+2=4

x-7=4

x=4+7

x=11

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HELP HELP PLEASE THIS IS DUE TONIGHT
tatiyna

Answer:

slope: (positive) 2

y-intercept: -4

Step-by-step explanation:

slope is rise over run, rise is 2 up every 1 over, so slope is (2-0)/1

y-intercept is where the function intercepts or crosses the y-axis, that is at -4

5 0
3 years ago
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Yochanan walked from home to the bus stop at an average speed of 555 \text{km/h}km/hstart text, k, m, slash, h, end text. He imm
andrew11 [14]

Answer:

The kilometer by walking = 4.32 km

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Step-by-step explanation:

Please find the attached files for the solution

4 0
4 years ago
PLEASE HELP ITS DUE TODAY AND THIS IS MY LAST QUESTION
exis [7]

Answer:

Left: The substance is decreasing by 1/2 every 12 years

Right: The substance is decreasing by 5.61% each year

Step-by-step explanation:

exponential decay

A = P(1-r)ᵇⁿ, where A is the final amount, P is the initial amount, r is the rate decreased each time period, b is the number of years, and n is the number of times compounded each year

let's write each formula in terms of this

left:

f(t) = 600(1/2)^(t/12)

matching values up...

A = P(1-r)ᵇⁿ

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t/12 = bn -> b = number of years = t, so bn = b/12 -> n = 1/12. Thus, it is compounded 1/12 times each year, so it is compounded every t*12 = 12 years. If it was compounded each month, it would be compounded 12 times a year

Thus, this is decreasing by a rate of 1/2 each 12 years

right:

f(t) = 600(1-0.0561)^(t)

matching values up...

A = P(1-r)ᵇⁿ

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8 0
2 years ago
Help Image attached Please
Stels [109]

Answer:

A

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-5x + 10 > -15

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(switch direction of inequality sign when multiplying or dividing by a negative number)

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4 0
3 years ago
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4 years ago
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