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Amanda [17]
3 years ago
7

Helppppp pleaseeee xxxx

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

Answer:

area of sector dfe=(360-110)/360×πr²=250/360×22/7×4²=34.9=35ft²

Semenov [28]3 years ago
8 0
What buddy up top said hope he helped:)
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How do you solve 7 (6x + 2)?​
Lerok [7]

Answer:

42x + 14​

Step-by-step explanation:

to  solve this type of question , all you have to do is to follow some simple rule of BODMAS

B.............. bracket open

O.............. of

D................ division

M.................multiplication

A................... Addition

S........................... Subtraction.

so we are just going to apply the B

7 (6x + 2)

42x + 14​

4 0
3 years ago
Read 2 more answers
The word at the end says equation​
Xelga [282]

Answer:

V=9

Step-by-step explanation:

9 times 3 equals 27 and that's how I got 9

4 0
3 years ago
Vince has a rectangular rug in his room with an area of 10 ft the length of the rug is 18 inches longer than the width what coul
aev [14]

The length of the rug is 4 ft.

The width of the rug is 2.5 ft.

Explanation:

The area of the rug is 10 ft.

The length of the rug be l.

Let us convert the inches to feet.

Thus, 18 inches =  1.5 ft

Thus, the length of the rug is l=1.5+w

Let the width of the rug be w.

Substituting these values in the formula of area of the rectangle, we get,

A=length\times width

10=(1.5+w)(w)\\10=1.5w+w^2\\w^2+1.5w-10=0

Solving the expression using the quadratic formula,

$w=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Substituting the values, we have,

$w=\frac{-15 \pm \sqrt{15^{2}-4 \cdot 10(-100)}}{2 \cdot 10}\\

$w=\frac{-15 \pm \sqrt{4225}}{20}$

$w=\frac{-15 \pm 65}{2 0}$

Thus,

w=\frac{-15 + 65}{2 0}\\w=\frac{50}{20} \\w=2.5  and   w=\frac{-15 - 65}{2 0}\\w=\frac{-80}{20} \\w=-4

Since, the value of w cannot be negative, the value of w is 2.5ft

Thus, the width of the rug is 2.5ft

Substituting w=2.5 in l=1.5+w, we get,

l=1.5+2.5\\l=4

Thus, the length of the rug is 4 ft.

4 0
3 years ago
Parcc chapter 7 pythagorean theorem
Bumek [7]
So, we know that a^2 + b^2 = c^2.  Right?  That is called the Pythagorean Theorem.

In this case.  We can say that 39 is a, 40 is b, and x is c.
NOTE: It doesn't really matter whether 39 is a or b.  a & b are just the two legs of the right triangle.

So, if we say that 39 is a, 40 is b, and x is c.  We can plug it into the Pythagorean Theorem.

39^2 + 40^2 = x^2

I'll let you take it from there.



7 0
3 years ago
Can someone solve the equation |x+8| = x+8<br> Thank you!
lisov135 [29]
Infinite i think. because the two equations are the same. 
5 0
3 years ago
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