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Juliette [100K]
3 years ago
13

5/6w+21=-1/3(2w-9) please help

Mathematics
1 answer:
densk [106]3 years ago
3 0
Proceidure
Hope this helps

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OMG HELP RN I MARK BARINLIST
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Answer:

B

Step-by-step explanation:

The dot on 2 is an open spot, so 2 isn't part of the solution. the arrow points towards +∞ so, yeah. b

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Please help me fill out the blanks in the bottom!
Dmitrij [34]

Answer:

2: 67

3:67

4: 113

Step-by-step explanation:

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3 years ago
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A) find the value of 2x+y wehn x =4 and y =3 b) find the value of a^2 + b when a = -2 and b = 5
Reil [10]

Answer:

<h3><em>a</em><em>.</em><em> </em><em> </em><em>1</em><em>1</em></h3><h3><em>b</em><em>.</em><em> </em><em> </em><em>9</em></h3>

<em>Sol</em><em>ution</em><em>,</em>

<em>a</em><em>.</em><em> </em><em> </em><em> </em><em>Given</em><em>,</em>

<em>X=</em><em>4</em>

<em>y</em><em>=</em><em>3</em>

<em>Now</em><em>,</em>

<em>2x + y \\  = 2 \times 4  + 3 \\  = 8 + 3 \\  = 11</em>

<em>b</em><em>.</em><em> </em><em>Given,</em>

<em>a</em><em>=</em><em>-</em><em>2</em>

<em>b</em><em>=</em><em>5</em>

<em>Now</em><em>,</em>

<em>{a}^{2}  + b \\  =  {( - 2)}^{2}  + 5 \\  = 4 + 5 \\  = 9</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

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3 years ago
Parabolas, hyperbolas, ellipses, and circles are all types of __________.
r-ruslan [8.4K]
Parabolas, hyperbolas, eclipses, and circles are all types of C)Conic Sections
3 0
3 years ago
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The radius of a circle measures 15 ft. What is the circumference of the circle?
Pie

Answer:

\boxed {\tt 94.2 \ feet}

Step-by-step explanation:

The circumference of a circle can be found using the following formula:

c= \pi d

where d is the diameter. We are given the radius, so let's find the diameter.

The diameter is twice the radius.

d=2r

The radius is 15 feet.

d= 2 * 15 \ ft

Multiply.

d= 30 \ ft

Now we know the diameter. Substitute 30 feet in for d.

c= \pi d

c=\pi * 30 \ ft

We are using 3.14 for pi, so substitute it in.

c=3.14 * 30 \ ft

Multiply.

c= 94.2 \ ft

The circumference of the circle is 94.2 feet.

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