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2 years ago

11

Hey i'm finding trouble studying and remembering the work that i have just studied does anyone have any tips to help me? i want

to up my grade a bit, for one of my big tests. thanks!

1 answer:

Mrac [35]2 years ago

8 0

What i usually do is make a to do list on my phone and alarms of when i have time to do it

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WIL GIVE BRAINLIEST ANSWER! HELP ASAP!

Evgesh-ka [11]

Answer:

Multiply the divisor and dividend by 100.

Step-by-step explanation:

The first step is to eliminate decimal points in both divisor and dividend. Since to convert 0.15 to a whole number you multiply by 100 then it means both the divisor and dividend should be multiplied by 100. So that we shall have 4860/15=324

6 0

3 years ago

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Could somebody help me on the 2 question please

ozzi

-20 because after the the thermometer hits zero the more negative the temperature gets the colder it is

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3 years ago

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An isosceles trapezoid ABCD with height 2 units has all its vertices on the parabola y=a(x+1)(x−5). What is the value of a, if p

horrorfan [7]

Answer:

a = -0.3575

Step-by-step explanation:

The points A and D lie on the x-axis, this means that they are the x-intercepts of the parabola, and therefore we can find their location.

The points A and B are located where

$y=a(x+1)(x-5)=0$

This gives

$x=-1$

$y=5$

Now given the coordinates of A, we are in position to find the coordinates of the point B. Point B must have y coordinate of y=2 (because the base of the trapezoid is at y=0), and the x coordinate of B, looking at the figure, must be x coordinate of A plus horizontal distance between A and B, i.e

$B_x=A_x+\frac{2}{tan(60)} =-1+\frac{2\sqrt{3} }{3}$

Thus the coordinates of B are:

$B=(-1+\frac{2\sqrt{3} }{3},2)$

Now this point B lies on the parabola, and therefore it must satisfy the equation $y=a(x+1)(x-5).$

Thus

$2=a((-1+\frac{2\sqrt{3} }{3})+1)((-1+\frac{2\sqrt{3} }{3})-5)$

Therefore

$a=\frac{2}{((-1+\frac{2\sqrt{3} }{3})+1)((-1+\frac{2\sqrt{3} }{3})-5)}$

$\boxed{a=-0.3575}$

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3 years ago

3x + 2.5 = 6.1 What is x ?

Natalija [7]

Answer:x=1.2

Step-by-step explanation:

3x+2.5=6.1

3x=6.1-2.5

3x=3.6

x=1.2

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3 years ago

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A teacher puts five packages of craft paper into a cabinet each package has 80 sheets of paper what is the total number of sheet

aliina [53]

Answer:

C

Step-by-step explanation:

If we have 5 packages and each contains 80, we are basically doing 80+80+80+80+80 (5 TIMES) which is referred to as 80×5=400

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2 years ago

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