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Anastasy [175]
3 years ago
13

The diameter of a circular rug is 5.6 feet. What is the radius?

Mathematics
2 answers:
Rashid [163]3 years ago
5 0
The diameter is half the radius so,
2.8 ft
poizon [28]3 years ago
4 0
The radius is half of the diameter, so lets divide 5.6 by 2 and get what our radius is. The radius is 2.8.

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Lynna [10]

Answer:

x=-2, y=-3

Step-by-step explanation:

we can rearrange the questions to make it easier

y=3x+3

2y=-3x-12

if you add the two equations, you get

3y=0x-9

so y=-9/3 = -3

plug y into one of the equations

-3=3x+3

-6=3x

x=-2

and then check your work by plugging into the other equation:

2*-3=-3(-2)-12

-6=6-12

-6=-6

8 0
2 years ago
If a triangle has a height of 7 centimeters and a base of 4 centimeters,what is the area
sattari [20]

Answer:

14cm^2

Step-by-step explanation:

Area of a triangle is (base×height)/2

(4×7)/2

28/2

=14 centimetres squared

8 0
3 years ago
The area of the triangle is eqaula to the sqare show that x²-3x-2=0​
agasfer [191]

Answer:

Step-by-step explanation:

Area of square = area of triangle

side*side = \dfrac{1}{2}b*h\\\\\\x*x=\dfrac{1}{2}*(x+1)(x+2)\\x^{2}=\dfrac{1}{2}[x*x +x*2+1*x+1*2]\\\\\\x^{2}=\dfrac{1}{2}[x^{2}+2x+x+2]\\\\\\x^{2}=\dfrac{1}{2}[x^{2}+3x+2]\\\\\\Multiply \ both \ sides \ by \ 2\\\\2x^{2}=x^{2}+3x+2\\\\2x^{2}-x^{2}-3x-2 = 0

x² - 3x - 2 = 0

8 0
2 years ago
What is the interval notation for the compound inequality? x≤−5 or x&gt;4
Hoochie [10]

Answer:

(-\infty, -5] \cup (4,\infty)

Step-by-step explanation:

The symbol \cup is set notation for UNION--put two sets together into one set.

The first part of the interval notation describes x less than or equal to -5 -- notice the bracket symbol after -5, meaning include -5.

5 0
2 years ago
How do I solve 1.25÷30
Shtirlitz [24]
Calculator lolololol nah joking first
5 0
3 years ago
Read 2 more answers
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