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3 years ago

Can I pls get a little help ill mark brailiest

Mathematics

2 answers:

Aleks [24]3 years ago

8 0

Answer:

9/8

Step-by-step explanation:

-3/4 ÷ -8/12

Use keep, change, flip

KEEP the first fraction: -3/4 ÷ -8/12

CHANGE the division to multiplication: -3/4 × -8/12

FLIP the denominator and numerator of the second fraction: -3/4 × -12/8

Then cross multiply: -3 × -12 = 36, 4 × 8 = 32

This results in 36/32. Now you simplify from here:

36/32 = 9/8 OR 18/16 OR 27/24 OR 36/32

Let me know if I did something wrong.

BaLLatris [955]3 years ago

7 0

Answer:

3 * ( (- $\frac{1}{4}$ )) ÷ (- $\frac{8}{4}$ ))

Step-by-step explanation:

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dusya [7]

Answer:

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4 0

3 years ago

Read 2 more answers

PLEASE HELP!

Leona [35]

Answer:

The initial temperature of the object was 37.6

Step-by-step explanation:

we have

$f(t)=Ce^{(-kt)} +20$

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

Find the value of the constant C

we have the ordered pair (4,35)

substitute in the equation and solve for C

$35=Ce^{(-0.0399*4)} +20\\Ce^{(-0.0399*4)}=15\\C=15/e^{(-0.0399*4)}\\C=17.6$

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

For t=0

$f(0)=(17.6)e^{(-k*0)} +20\\f(0)=17.6 +20\\f(0)=37.6$

therefore

The initial temperature of the object was 37.6 (I not include units)

7 0

3 years ago

2) Angelina is deciding which bank would give her the

Nutka1998 [239]

Answer:

3.33%

Step-by-step explanation:

Given that :

Final amount A= 320

Principal P = 300

Time (t) = 2 years

Yes, the information is enough to obtain the interest rate :

Using the relation :

A = P(1 + rt)

r = interest rate

320 = 300(1 + r*2)

320 = 300(1 + 2r)

320/300 = 1 + 2r

1.0666666 = 1 + 2r

1.0666666 - 1 = 2r

0.0666666 = 2r

r = 0.0666666 / 2

r = 0.0333333

(0.0333333) * 100% = 3.33%

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3 years ago

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3 years ago

What is 2826 rounded to the nearest hunderd

Savatey [412]

Answer:

800

Step-by-step explanation:

2826 around to the nearest hunderd is 800

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3 years ago