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Ludmilka [50]
3 years ago
12

HELP ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Elena L [17]3 years ago
3 0

Answer:

+.5

Step-by-step explanation:

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Scott has 18 3/4 gallons of gas in his tank. If he uses 3/50 gallons of gas per mile he drives how many miles can he drive befor
iVinArrow [24]

Answer:

Step-by-step explanation:

I’m sorry that i can’t fully help and that i answered it wrong twice i also got stuck. I hope someone else helps you and that you get an a

18 3/4 as an improper fraction is 75/4.

75/4 can be re-written as 1875/100 (multiply both sides by 25)

3/50 can be re-written as 6/100 (multiply both sides by 2)

6 0
3 years ago
The FDA is testing a new ointment designed to deliver 3.5 micrograms of active ingredient to each square centimeter of skin. Nin
lions [1.4K]

Answer:

t(c)  =  3.355

Step-by-step explanation:

We assume a normal distribution, and with sample size n = 9 we should follow a t -student test on both tails since the FDA is interested in determining if the amount of drug absorbed is different from 3.5 micrograms.

Therefore if α  = 0,01    that means that confidence interval is 99 % or 0,99

Finally with   α/2 = 0,005   and 8 degrees of freedom we find in t-student table  t(c)  =  3.355

8 0
3 years ago
Solve the equation for x by graphing -2x + 3 = -3(-x) - 2
adoni [48]

Answer:

  x = 1

Step-by-step explanation:

There are a couple of ways to solve this. One is to graph the left side of the equation, graph the right side of the equation, and look for the point where those graphs intersect. It is at x = 1. The first attached graph shows this solution.

__

Another method for solving such an equation is to subtract one side from the other and look for the value of x that makes the resulting expression zero.

  (-2x +3) -(-3(-x) -2) = 0

A graphing calculator doesn't need to have this simplified. If it is simplified, it becomes ...

  -5x +5 = 0

So, the graphed line is y = -5x+5. Its x-intercept is x=1, the solution of the original equation. The graph of this is shown in the second attachment.

6 0
3 years ago
Someone please please help help me please please ASAP with my work <br><br> And NO LINKS or FILES
Vera_Pavlovna [14]

Answer:

1.

Blank 1: y

Blank 2: x

2.

Blank 1: x

Blank 2: y

Step-by-step explanation:

The reflection of a point along y-axis means the <u>y</u><u> </u><u>value</u><u> </u><u> </u>stays the same and the <u>x-value</u><u> </u>changes its sign.

Blank 1: y

Blank 2: x

The reflection of a point along x-axis means the <u>x</u> value stays the same and the <u>y</u>-value changes its sign.

Blank 1: x

Blank 2: y

8 0
3 years ago
Read 2 more answers
What is the value of x in the equation 2x + 3y = 36, when y = 6?
atroni [7]
X would equal 9. Subtract 18 from both sides then divide by two to get 9 as X
7 0
3 years ago
Read 2 more answers
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