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Svet_ta [14]
3 years ago
14

WILL BRAINLIEST!! Please help need 2,3,4

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0
Equation of line parallel to y=5x+1 and containing the point (5,8)?

The slope of a line parallel to y=5x+1 would be 5.  Parallel lines have the same slope.

Using the slope-intercept form of the eqn of a str line:

8 = 5(5) + b     so 8 = 25 + b, and b = -17.

Thus, the desired equation is y = mx + b, or y = 5x - 17.

Check it!  When x = 5, is y =8?     5(5)-17 = 25-17=8.  YES

The slope of the line in #2 is 5.  The slope of a line perpendicular to y = 5x - 17 is the negative reciprocal of 5:

m = -1/5   (answer).

Show me what you've done on #4, and then I'll get back to you with suggestions (if neeed).

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The table represents the observed number of leaves y on x branches of a tree. Calculate the rate of change between 3 and 4 branc
Dennis_Churaev [7]

Answer:

<h2>25</h2>

Step-by-step explanation:

The rate of change of number of tree y on x branches of a tree is expressed as shown;

m = Δy/Δx where;

m is the rate of change

Δy is the change in number of leaves  between 3 and 4

Δx is change in number of branches  between 3 and 4

m = Δy/Δx = y₂-y₁/x₂-x₁

From table between 3 and 4, y₂ = 100, y₁ = 75, x₂ = 4, x₁ = 3

m = 100-75/4-3

m = 25/1

m = 25

<em>Hence the rate of change between 3 and 4 branches is 25</em>

5 0
3 years ago
How to construct a right scalene triangle using no given lengths with a ruler and a compass
11111nata11111 [884]
A scalene triangle contains three unequal in length sides. Therefore, a right scalene triangle can be constructed without the use of a ruler or compass. The 90-degree angle can be signified by a small box in the corner of the triangle that measures 90 degrees.
5 0
3 years ago
The price of an item yesterday was $115. Today, the price rose to $184. Find the percentage increase.
chubhunter [2.5K]

Answer:

60%

Step-by-step explanation:

184 - 115 = 69

\frac{69}{115} =.6\\\\

.6 × 100 = 60%

115 + 60% = 69

4 0
3 years ago
Please help me out here?
lana [24]
Tan A = opposite side / adjacent side = 6/8  = 3/4 Answer

Its A
5 0
3 years ago
In your own words, what is a rigid motion?
jonny [76]

Answer:

Rigid Motion: Any way of moving all the points in the plane such that.

a) the relative distance between points stays the same and.

b) the relative position of the points stays the same.

Step-by-step explanation:

8 0
4 years ago
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