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3 years ago

5

NEED HELP will give BRAINLY

1 answer:

LenKa [72]3 years ago

8 0

Answer:

y=1x+8

Step-by-step explanation:

The best way to remember the formula is y=mx+b aka (your mom's ex bf)
Just by looking at the slope you can automatically tell it's moving by one so in your formula, 'm' is the slope.
Add 1x to replace 'm' or you can leave x alone because x is already one, your choice.
b is the indication on where your slope started in the y-axis.
In this case, by looking at the y-axis on the graph, the slope starts at 8 so that will be your b.
Therefore, your answer is y=1x+8

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The population of bacteria doubles every 6 hours. By how much will it grow in three days. Write the equation

ch4aika [34]

Answer:

Step-by-step explanation:

let x be the population

so we have ,

2x= 6h

?= 3 days or 3×24h

by cross multiplication we have

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?= 2x×72/6 = 24x

So, in three days the bacteria will b 24 times current population.

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3 years ago

Use the formula C = 2πr and π= 3.14 to find the circumference of a circle with a radius of 5 meters.

professor190 [17]

Solution D

Just put into a calculator

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3 years ago

cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of

exis [7]

Answer:

The smallest amount is $\£6,911$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

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P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=3\ years\\ A=\£8,000\\ r=5\%=5/100=0.05\\n=1$

substitute in the formula above

$8,000=P(1+\frac{0.05}{1})^{1*3}$

solve for P

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$P=8,000/(1.05)^{3}$

$P=\£6,910.70$

Round to the nearest pound she can invest

The smallest amount is $\£6,911$

6 0

3 years ago

Which transformation will always map a parallelogram onto itself? A. a 90° rotation about its center B. a reflection across one

Katen [24]

Answer:

C. a 180° rotation about its center.

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3 years ago

Read 2 more answers

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postnew [5]

Answer:

john has a greater ratio of shirts to pants

Step-by-step explanation:

jason- 5:2

table:

shirt :5 10 15 20 25 30 35 40 45

pants:2 4 6 8 10 12 14 16 18 20

john-7:3

table:

shirts:7 14 21 28 35 42 49 56 63

pants:3 6 9 1 2 15 18 21 24 27

4 0

2 years ago