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adelina 88 [10]
3 years ago
11

Simplify this please

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

4a+5

Step-by-step explanation:

aliina [53]3 years ago
7 0

Answer:

2a +5

Step-by-step explanation:

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A survey of 347 high school students asked too describe their politics as liberal, moderate or conservative
pantera1 [17]

Answer:

What is the question?

Step-by-step explanation:

8 0
3 years ago
How do you write a linear equation in slope-intercept form
inessss [21]
Identify the slope find the y-intercept it can be done by substituting the slope and coordinates
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4 years ago
Determine the radius of a cone that has a volume of 230 ft' and a height of 15 ft.
VLD [36.1K]

Answer:

the formula for finding cone volume is V=πr²× 1/3

Step-by-step explanation:

230=3.14×x²×1/3

we have to solve for X that is our radius

14.8

3 0
3 years ago
-
tankabanditka [31]

Answer:

Step-by-step explanation:

3C + 8T = 58 ----- (eq1)

5C + 2T = 23 ------(eq2)

Multiply equation (1) by 5 and equation (2) by 3

15C + 40T = 290 -----(eq3)

15C + 6T = 69 ----------(eq4)

Subtract equation (4) from (3)

34T = 221

T = 221/34

T = $6.5

Therefore 1 Table will cost $6 and 5 cents

Solve for (C) in equation (1)

3C + 8T = 58

3C + 8(6.5) = 58

3C + 52 = 58

3C = 58-52

3C = 6

C = 6/3

C = $2

1 Chair will cost $2

7 0
3 years ago
What is the area of the sector with a central angle of 49° and a radius of 11 cm? Use 3.14 for pi and round your final answer to
olga_2 [115]

Answer:

\boxed{\text{51.71 cm}^{2}}

Step-by-step explanation:

If the angle θ is in radians, the formula for the area (A) of a sector of a circle is

A = ½r²θ

If θ is in degrees

A = \dfrac{1}{2}r^{2}\theta \times \dfrac{\pi \text{ rad}}{180^{\circ}}= \pi r^{2}\times\dfrac{\theta }{360}

Data:

θ = 49°

r = 11 cm

Calculation:

\begin{array}{rcl}A& = &3.14\times 11^{2}\times\dfrac{49}{360}\\\\ & = &3.14 \times 121 \times 0.1361\\ & = & \mathbf{51.71}\\\end{array}\\\text{The area of the sector is }\boxed{\textbf{51.71 cm}^{2}}

4 0
3 years ago
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