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3 years ago

Which transformation shows a reflection across the y-axis?

Mathematics

2 answers:

motikmotik3 years ago

6 0

Answer:

the answer is a on usatestprep as well

Step-by-step explanation:

LUCKY_DIMON [66]3 years ago

3 0

The correct answer is letter A

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The radius of a car wheel is 14 inches. how many revolutions per minute is the wheel making when the car is traveling at 60 mph.

Dovator [93]

Answer:

$721\ \frac{rev}{min}$

Step-by-step explanation:

step 1

Find the circumference of the wheel

The circumference of a circle is equal to

$C=2\pi r$

we have

$r=14\ in$

substitute

$C=2\pi(14)$

$C=28\pi\ in$

assume

$\pi=3.14$

$C=28(3.14)=87.92\ in$

step 2

$1\ mile=63,360\ inches$

$1\ hour=60\ minutes$

we have that

The speed of the car is 60 miles/hour

Convert the speed to inches/minute

$60\ \frac{mi}{h}=60(\frac{63,360}{60})=63,360\ \frac{in}{min}$

step 3

Remember that

The circumference of the wheel subtends one revolution

$1\ rev=87.92\ in$

Convert the speed to rev/min

$63,360\ \frac{in}{min}=\frac{63,360}{87.92}=721\ \frac{rev}{min}$

3 0

3 years ago

Hi can you help me to answer this?

Lemur [1.5K]

Answer:

1) 85

2) 150

Step-by-step explanation:

The measure of a minor arc is EQUAL to the central angle

"The measure of a minor arc is equal to the measure of the central angle that intercepts the arc. We can also say that the measure of a minor arc is equal to the measure of the central angle that is subtended by the arc."

8 0

3 years ago

Which function is shown in the graph below? y = log Subscript 0.4 Baseline x

Hatshy [7]

Answer:

c. y=log subscript 3 baseline x

Step-by-step explanation:

edge

4 0

3 years ago

Read 2 more answers

If CF = 10 in., what does ed equal?

vivado [14]

CF=EC=DC
2CF=CD
CD = 20 in.

3 0

3 years ago

10 plus 30 equals what i ont know it

ioda

Answer: 10+30=40 :)

Step-by-step explanation:

7 0

3 years ago