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3 years ago

PLS, HELP DO NOT TRIY THE FAKE I CANT UPLOAD STUFF I KNOW IS A VIREIS.

Mathematics

1 answer:

JulijaS [17]3 years ago

3 0

Answer:

After how many days will the tank need to be refilled?

Step-by-step explanation:

To answer our question, we first need to figure out what d represents. d is multiplied by 0.035, which is how much the water level decreases daily. Since it decreases daily, the overall amount it decreases depends on how many days have passed. It is logical then to deduce that d represents days (also days starts with d, so we know we're on the right track haha).

The equation equals to 4, the water level at which the tank must be refilled, so we know we are looking for d when the tank must be refilled.

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Solve the inequality –8 < x – 14.

Ilya [14]

Answer:

x=6

Step-by-step explanation:

7 0

4 years ago

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The minute hand of a clock is 7 inches long. how far does the tip of the minute hand move in 35 minutes? if necessary, round the

dedylja [7]

An hour is 60mins or 1 rotation

so
the hand moves 35/60 of the circumference of the clock
so

c=2pir
r=length of hand=7
c=2pi7
c=14pi

then, we have 35 out of 60 mins or 35/60=7/12
7/12 times 14pi=98pi/12=49pi/6≈25.66 inches

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4 years ago

Kate is building a rectangular wall.the wall will be 332 bricks wide and 39 bricks tall how many bricks does she need to build t

Klio2033 [76]

Answer:

12948 bricks

Step-by-step explanation:

332*39=12948

5 0

4 years ago

At 3 p.m the temperature was 9°f by 11 pm it had dropped 31°f what was the temperature at 11 pm

NemiM [27]

-22 degrees ferenheit

3 0

3 years ago

What is the equation, in slope-intercept form, of the line that is perpendicular to the line

wlad13 [49]

Answer:

$y=\frac{1}{2} x-1$

Step-by-step explanation:

The initial line is given in "point-slope form" ( $y-y_0=m(x-x_0)$ therefore we can easily extract from it the slope, and obtain from it what should be the slope of a line perpendicular to it:

Given the expression: $y-4=-2(x-6)$

we understand that the slope is "-2", and the point through which the line passes is the point (6,4) on the plane. We are concerned about the slope, since a line perpendicular to the given line must have a slope that corresponds to the "opposite of the reciprocal" of the original slope.

The opposite of "-2" is "2", and the reciprocal of this is "1/2".

Therefore the slope of the perpendicular line must be "1/2".

Now we can build the equation of the line perpendicular line through the point (-2,-2) by using again the "point-slope form":

$y-y_0=m(x-x_0)\\y-(-2)=\frac{1}{2} (x-(-2))\\y+2=\frac{1}{2} (x+2)$

Solving for y in this last expression we express the line in slope_y-intercept form:

$y+2=\frac{1}{2} (x+2)\\y+2=\frac{1}{2} x+1\\y=\frac{1}{2} x+1-2\\y=\frac{1}{2} x-1$

6 0

4 years ago