2 years ago

6(2x-11)+15=21

Mathematics

2 answers:

Dvinal [7]2 years ago

8 0

Answer:

What's the question? That seems correct if u want someone to check ur work :D

Step-by-step explanation:

Mrrafil [7]2 years ago

7 0

Do you want someone to check it?

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A central angle θ in a circle of radius 4 m is subtended by an arc of length 5 m. find the measure of θ in degrees. (round your

koban [17]

Answer:

$\theta=71.6\°$

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=2\pi r$

we have

$r=4\ m$

substitute the values

$C=2\pi (4)=8 \pi\ m$

step 2

Remember that

360 degrees subtends the arc of length $8 \pi\ m$ (circumference)

by proportion

Find the measure of θ by an arc of length 5 m

assume $\pi=3.1416$

$\frac{360}{8\pi}=\frac{\theta}{5}\\ \\ \theta=360*5/8\pi \\ \\ \theta=71.6\°$

5 0

2 years ago

A large pizza has a circumference of approximately 43.96 inches2. what is the diameter of the pizza? Use 3.14 to approximate Pi.

Nookie1986 [14]

Answer:

d = 14

43.96/3.14 = 14

8 0

2 years ago

I need help plsssssss

Svetllana [295]

4)Area :32cm

5)18cm

6) 49cm

4 0

2 years ago

Ance

Paraphin [41]

Answer:

Where’s the graph?

Step-by-step explanation:

3 0

2 years ago

How do you divide scientific notation problems like this: 0.00053 ÷ 29?

Shtirlitz [24]

You got to remember
$\frac{x^m}{x^n}=x^{m+n}$

first write them in scienfitic notation
0.00053= $5.3*10^{-4}$
29= $2.9*10^1$

so
$\frac{0.00053}{29}=$
$\frac{(5.3)(10^{-4})}{(2.9)(10^1)}=$
$(\frac{5.3}{2.9})(\frac{10^{-4}}{10^1}=$
$(1.8275862068965517241379310344828)(10^{-4-1})=$
$(1.8275862068965517241379310344828)(10^{-5})=$
$1.8275862068965517241379310344828*10^{-5}$

that's the answer

5 0

3 years ago