2 years ago

Click on the graphic to select the figure that would make the following "a reflection in line k."

Mathematics

1 answer:

kow [346]2 years ago

3 0

Answer: Choice A (both are smiley faces)

This is because the reflection doesn't flip the faces upside down or anything (instead it does a left-right swap in a way). This is why both faces are smiley faces.

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2, Ivan walks 4 miles in 80 minutes, How many miles can she walk in 345 minutes?

posledela

Answer:

17.5 milies

Step-by-step explanation:

80/4

=20/1

This means that Ivan can walk 1 mile in 20 minutes

To figure out how many miles Ivan can walk in 345 if she continues at that pace you divide 345 by 20

345/20 = 17.5

This means Ivan can walk 17.5 milies in 345 minutes

3 0

1 year ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B2n%7D%20%2B%20%5Cfrac%7B1%7D%7Bn%5E2%7D%20%3D%20%20%5Cfrac%7Bn-2%7D%7B2n%5

Sergio [31]

Make denomenators the same
common denom is 2n²

multiply 3/2n by n/n
mulitply 1/n² by 2/2

we get
$\frac{3n}{2n^2}+\frac{2}{2n^2}=\frac{n-2}{2n^2}$
combine fractions
$\frac{3n+2}{2n^2}=\frac{n-2}{2n^2}$
multiply both sides by 2n²
2n+2=n-2
minus n both sides
n+2=-2
minus 2 both sides
n=-4

8 0

2 years ago

Amanda’s hair grew 3/4 in. in 1 1/2 months? How long did her hair grow in one month?

Gnom [1K]

Answer:

1/2 a inch was this helpful

6 0

2 years ago

110% of what number is 880?

Brums [2.3K]

I would make a proportion out of this to help solve it because I find proportions a bit easier to solve, so the proportion would be: 110/100=880/x

You would just solve it for 800

4 0

2 years ago

Evaluate the given expression if x=25, y=10, w=45, and z=10 (x-y)^2+10wz

katen-ka-za [31]

Answer:

4725

Step-by-step explanation:

25-10=15

15^2=225

10*45*10=4500

225+4500=4725

4 0

2 years ago