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3 years ago

Helppppp pleaseeeeeee:/

Mathematics

2 answers:

irga5000 [103]3 years ago

7 0

Answer:

y=5x+1

Step-by-step explanation:

If you look closely at each side, you will see that the x increases by one and the y increases by five.

To get to zero (0) from one (1), you need to substract one.

Every time one is subtracted for x, 5 is subtracted from y.

6-5=1

Hope this helps :-)

Fofino [41]3 years ago

4 0

The answer is 26....................

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If the perimeter of a square is 20, find the length of a diagonal. Round your answer to the nearest tenth.

valentinak56 [21]

Since a square is equal on all 4 sides, that means each side would be 5, because 20/4=5

so using the Pythagorean thrm (which we can use since a square has all 90 degree angles)

a=5 b=5 c=?

5^2+5^2=c^2
25+25=c^2
50=c^2 *square root both sides*
c= 7.07

So the answer would be 7.1

4 0

3 years ago

Read 2 more answers

PLEASE HELP. Please show all work. Im giving 80 points to whoever answers it first.

mr_godi [17]

Answer:

1.1) B=12.42°, C=146.58°, c=15.37

1.2) B=8°, C=124°, c=35.7

2) In the case of SSA, when the given angle A is acute (<90°), the side "a" (opposite to the given angle "A") is less than the other given side "b" (a<b), and a > b sinA.

3.1) Perimeter = 31.37 units, Area = 16.5 square units

3.2) Perimeter = 73.70 units, Area = 75.6 square units

4.1) Magnitude of vector AB=5.1

4.2) Direction of vector AB=348.69°

5.1) The dot product of two vectors is equal to the sum of the product of their components

5.2) a . b = 10

6.1) Trigonometric form: z = 3√2 (cos 315°+ i sin 315°)

6.2) The 4th roots are:

w1 = 18^(1/8) [cos(78.75°) + i sin(78.75°)]

w2 = 18^(1/8) [cos(168.75°) + i sin(168.75°)]

w3 = 18^(1/8) [cos(258.75°) + i sin(258.75°)]

w4 = 18^(1/8) [cos(348.75°) + i sin(348.75°)]

Step-by-step explanation:

3.1) Perimeter: P = a+b+c → P = 10+6+15.37 → P = 31.37

Area: A = a b sinC / 2

Replacing the known values:

A = (10)(6) sin 146.58325418° / 2 → A = 60(0.55072472) / 2 →

A = 16.52174152 → A = 16.52 square units

3.2) Perimeter: P = a+b+c → P = 32+6+35.70 → P=73.70

Area: A = a b sin C /2

Replacing the known values:

A = (32)(6) sin 123.99036327° / 2 → A = 192(0.82913161) / 2 →

A = 75.59663485 → A = 75.6 square units

3 0

3 years ago

Compare and Contrast a square and an equilateral triangle? Be sure to communicate and discuss using mathematical language, ideas

ella [17]

The comparison and contrast between a square and an equilateral triangle are stated and explained below:

What is a square? A square is a plane shape with an equal length of sides. This implies that the measure of its length is the same as that of its breadth.

What is an equilateral triangle? A triangle is a plane shape with three sides, and a sum of its internal angles to equal $180^{o}$ . Thus an equilateral triangle is a type of triangle with equal lengths of sides, and therefore equal internal angles.