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Aliun [14]
3 years ago
8

15 -points helppppppppppppppppppppppppp

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0
The answer is D

Explanation: take 25 and add them to the legs that you originally have.
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Please help me ASAP with part A and B
Troyanec [42]

Answer:

Step-by-step explanation:

Area of rectangle is

A = 5(4x) = 20x

Part A

(D) <em>100 ≤ 20x ≤ 1,000</em>

Part B

\frac{100}{20} ≤ \frac{20x}{20} ≤ \frac{1000}{20}

<em>5 ≤ x ≤ 50</em>

3 0
3 years ago
The radius of a circle is 8 cm<br> Calculate the circumference of the circle <br> [Use pi r = 3.1]
Murrr4er [49]

Answer:

Radius is 8 cm, this means that the diameter is 16 cm. the circumference formula is 2(pie)R     2x3.14xRadius... Your answer is 50.265CM

Step-by-step explanation:


3 0
3 years ago
What is the slope and y- intercept of the line passing through (11,-3) and (7,9)
Misha Larkins [42]

Answer:

Slope is -3, y-intercept is 30

Step-by-step explanation:

You take the two points (11,-3) and (7,9), plug them into the formula y2-y1/x2-x2=m. Now, you have 9-(-3)/7-11 which gives you 12/-4, 12/-4 can be simplified into -3 which is your slope. To find y-intercept you must use the formula y=mx+b. Plug -3, your slope, into m, and any of the coordinates on your line into the y and x; I used (7,9). You solve for b from 9=-3*7+b. -3*7 gives you -21, now you have 9=-21+b, to get b by itself, you add 21 to both sides, 30=b. B is your y-intercept.

7 0
3 years ago
What are the median mode and range of the data set 16,17,17,17,19,21,23,24
Sav [38]
Mode 17,
Mean is 19.3
Median 18.
3 0
3 years ago
What is an equation of the line that passes through the point (-7, -6) and is parallel to the line x-y=7?
Alex_Xolod [135]

Answer:

Step-by-step explanation:

For two lines to be parallel their slopes must be equal. For two lines to be perpendicular their slopes must be the negative reciprocal of each other.

Step 1 Find the slope of the equation.

Put it into the slope-intercept form. y = mx + b.  

For x-y = 7, move the x to the left; therefore subtract the x from both sides. this leaves you  -y = -x + 7

Then, divide both sides by -1 to get a positive y.  -y/-1 = (-x + 7)/-1

This leaves y = x - 7  The slope(m) for this equation is m = 1

The other equation must also have a slope of 1 or m=1 for the lines to be parallel.

Use the point given to you (-7, -6) and substitute for (x, y)

The slope-intercept form y = mx + b can once again be used.

x = -7, y =-6, and slope or m = 1

Therefore,  y = mx + b substituted will be -6 = (1)(-7) + b; now, solve for b which is the y intercept

-6 = -7 + b add 7 to both sides -6 +7 = -7 + b +7 ; therefore, b = 1

Now you know the slope(m) which is equal to 1 and the y-intercept(b) which is equal to 1.

Finally, substitute the m and b in the slope-intercept form

            y = (1)x + 1 or y = x +1

5 0
3 years ago
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