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3 years ago

Need help ASAP just with part b and c.

1 answer:

4 0

So, <span>y = 4^x is the same thing as the [inverse log] of 4^x. X is going to be left allow, which means bring it down and the log of is 4. So, y would be the inverse log of X log of 4.</span>

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What is the solution of X +8 over 5 x minus one less then 0

Anna35 [415]

X < -3. Subtract one from both sides and you get x + 8 over 5 is less than 1. Multiple both sides by 5 and you get x + 8 is less than 5. Finally, subtract 8 from both sides and you get x is less than -3.

6 0

3 years ago

Find the slope of -5x-8

-BARSIC- [3]

Answer:

-5

Step-by-step explanation:

The equation is in slope intercept form. $y=mx+b$

8 replaces b, so it is the y-intercept.

-5 replaces m, so it is the slope.

5 0

3 years ago

Mary gave her brother 1/4 of her plums and her sister 1/3 of her plums.Mary remained with 20 plums.Caluculate how many plums mar

Lorico [155]

Answer:

Step-by-step explanation:

Let x be the number plums that Mary had

Number of plums received by her brother = (1/4) of x =(1/4)x

Number of plums received by her sister = (1/3)x

Remaining plums is 20.

Total plums - (plums given to brother + plums given to sister) = 20

$x-(\frac{1}{4}x+\frac{1}{3}x)=20\\\\x-\frac{1}{4}x-\frac{1}{3}x=20\\\\\frac{1*12}{1*12}x-\frac{1*3}{4*3}x-\frac{1*4}{3*4}x=20\\\\\frac{12}{12}x-\frac{3}{12}x-\frac{4}{12}x=20\\\\\frac{12-3-4}{12}x=20\\\\\frac{5}{12}x=20\\\\x=20*\frac{12}{5}\\\\x=4*12\\\\x=48$

Number of plums with Mary = 48

Number of plums received by brother= (1/4)*48 = 12 plums

Number of plums received by sister = (1/3)*48 = 16 plums

16 - 12 = 4

Her sister received 4 plums more than her brother

5 0

3 years ago

Factor completely 2x^2+2x-24

Bas_tet [7]

Answer:

2(x + 4)(x − 3)

Step-by-step explanation:

Hope it helped you

8 0

3 years ago

Read 2 more answers

Sally has a few choices for lunch:a hamburger, hot dog, or BBQ, With French fries, piero gives, or chips. How many different are

Fantom [35]

3(3)=
9

There are 9 different ways

8 0

3 years ago