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Alina [70]
3 years ago
13

Solve the proportion below. X/25=3/5

Mathematics
2 answers:
Vikentia [17]3 years ago
7 0

Answer:

X equals 15

Step-by-step explanation:

This is is a proportion question we can easily set this up in ratios, just like what you did. And from there we can cross multiply to solve for x. So, x times 5 equals 5x. And 25 times 3 is 75. Now we should set them equal to each other because, we literally just crossed multiplied, so, 5x=75. And then finally we divide 5 on both sides and 75/5 is 15. So therefore x is equal to 15.

Iteru [2.4K]3 years ago
3 0
The answer you want is x = 15
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We have that
<span> [the mean change of altitude]=[change in altitude]/[time]
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the answer is -52.86 ft/minute  (<span>the negative sign means that the plane is descending</span>)
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3 years ago
Which equation, when graphed, has x-intercepts at (8,0) and (-2, 0) and a y-intercept at (0, -48)?
n200080 [17]

Answer:

f(x)=-3(x-8)(x+2)

Step-by-step explanation:

f(8)=-3(8-8)(8+2)=-3×0×10=0

f(-2)=-3(-2-8)(-2+2)=-3×(-10)×0=0

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Multiplication and division with powers of ten
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3 years ago
Two points A (-2, 9) and B (4, 8) lie on a line l. (i) Find the slope of the line l. (ii) Find the coordinates of the midpoint o
blagie [28]

Answer:

m=-\frac{1}{6} \approx -0.1667

M=(1,\frac{17}{2} )=(1,8.5)

d=\sqrt{37} \approx 6.083

Step-by-step explanation:

(i) For two different points on a line, the slope m is defined as the difference on the y-axis divided by the difference on the x-axis:

m=\frac{\Delta y}{\Delta x} =\frac{y_2-y_1}{x_2-x_1}

Where:

(x_1,y_1)=(-2,9)\\\\(x_2 , y_2)=(4,8)

So:

m=\frac{8-9}{4-(-2)} =\frac{-1}{6} \approx -0.1667

(ii)

To find the coordinates of the midpoint, you can use the following formula:

M=(\frac{x_1+x_2}{2}  , \frac{y_1+y_2}{2} )

Therefore:

M=(\frac{-2+4}{2}  , \frac{9+8}{2} )=(\frac{2}{2}  , \frac{17}{2} ) =(1,8.5 )

(iii) The distance between two points is given by the following formula:

d=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}  }

Hence:

d=\sqrt{(4-(-2))^{2}+(8-9)^{2}  } =\sqrt{(6)^{2}+(-1)^{2}  } =\sqrt{36+1} =\sqrt{37} \\\\d\approx 6.083

8 0
3 years ago
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