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Vladimir79 [104]
3 years ago
13

Please help me out, please and thank you​

Mathematics
1 answer:
Serhud [2]3 years ago
3 0
Well, a bisector is a ray that cuts the angle in half, which means that both of the angles are now the same. So, we get:
8x - 1 = 4x + 3
4x = 4
x = 1
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Can someone help right away!! please!!
larisa [96]

Answer:

y = - 2x + 1

Step-by-step explanation:

Substitute an x value from the table into the equation

x = 1 : y = - 2(1) = - 2 ← require to add 1 to obtain y = - 1

x = 4 : y = - 2(4) = - 8 ← require to add 1 yo obtain y = - 7

Then equation describing the relationship is

y = - 2x + 1

4 0
3 years ago
What is the solution to the equation x over 3 + x over 6 = 7 over 2
Romashka [77]

Answer:

x=7

Step-by-step explanation:

The given equation is:

\frac{x}{3}+\frac{x}{6} = \frac{7}{2}

Multiplying both sides by LCM of 3 and 6

So,

\frac{x}{3}*6+\frac{x}{6}*6 = \frac{7}{2}*6\\2x+x=7*3\\3x=21\\\frac{3x}{3} =\frac{2}{3}\\ x=7

Hence, the solution of the equation is x=7 ..

7 0
4 years ago
Read 2 more answers
Plz help me!
Daniel [21]
Area of the three equally sized stripes: A

A=(x+15)(x)(3)
A=3x(x+15)
A=3x^2+45x

One gallon of paint will cover an area of no more than 400 square feet: <=400

She only has half of a gallon of paint left:
1/2(400 square feet)=400/2=200 square feet

Inequality that could be used to find the maximum height, in feet, of each stripe:
A<=200
3x^2+45x<=200

Answer: 3x^2+45x <= 200

Could her stripes be 3' tall?
x=3→A=3(3)^2+45(3)=3(9)+135=27+135→A=162<200 Ok
Yes, her stripes could be 3' tall.
Answer: Yes

Could her stripes be 4' tall?
x=4→A=3(4)^2+45(4)=3(16)+180=48+180→A=228>200 No
No, her stripes couldn't be 4' tall.
Answer: No

3 0
3 years ago
Which plane is closer to the base of the airport tower? Explain.
Annette [7]

Answer:

Plane B is closer.

Step-by-step explanation:

Plane B is closer.

The distance for Plane A is 7.9 km.

The distance for Plane B is 7.4 km.

Step-by-step explanation:

To find the distance to the tower, altitude must be converted to kilometers. Each 1000 ft is 0.3048 km, so the heights of the planes are ...

-- Plane A: (20 thousand ft)*(0.3048 km/thousand ft) = 6.096 km

-- Plane B: (8 thousand ft)*(0.3048 km/thousand ft) = 2.4384 km

The Pythagorean theorem can be used to find the distance from each plane to the tower:

-- distance = √((ground distance)² + (height)²)

-- Plane A distance = √(5² +6.096²) ≈ √62.16 ≈ 7.9 . . . km

-- Plane B distance = √(7² +2.4384²) ≈ √54.95 ≈ 7.4 . . . km

The distance for Plane B is shorter, so Plane B is closer to the tower.

7 0
3 years ago
Read 2 more answers
(- 3/8) divided by 5/9
Levart [38]
Do you want the exact form or decimal form?
4 0
3 years ago
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