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3 years ago

15

Gabrielle wants to tile a room with an area of 320 square feet. The width of the room is 4/5 it's length. What are the length an

d width of the room?

1 answer:

vampirchik [111]3 years ago

8 0

I hope this helps you

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Help on question 30!!

Basile [38]

The given identity tells you ...
.. (sum of numbers) * (sum of squares - product) = (sum of cubes)

Substituting the given information, you have
.. (sum of numbers) * (29 -10) = 133
Then you can divide by (29 -10) to get
.. sum of numbers = 133/19 = 7

The sum of the two numbers is 7.

3 0

3 years ago

A wedding dress was marked up 35% and is now selling for $270.00. What was the original price of the dress?

qaws [65]

$270 equals 135% of the original price

270/x=135/100

135*2=270
100*2=200

Final answer: $200

5 0

3 years ago

Read 2 more answers

A 30L tank contains 20L of a salt/water mixture with 4kg of salt. We begin pumping a mixture with.08 kg/L concentration into the

gregori [183]

Answer:

qgog]nh[5hlTMetfrgt[ybpfd

Step-by-step explanation:

klj ;l,;gg/l.,sjmfehgads vcb

8 0

3 years ago

A man standing on a lighthouse at a height of 124 feet sights two boats directly in front of him. One is at an angle of depressi

Ksivusya [100]

Answer:

$125\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the right triangle ABC find the length side BC

we know that

$tan(62\°)=\frac{124}{BC}$

$BC=\frac{124}{tan(62\°)}$

step 2

In the right triangle ABD find the length side BD

we know that

$tan(33\°)=\frac{124}{BD}$

$BD=\frac{124}{tan(33\°)}$

step 3

we know that

The distance between the two boats is the length side CD

$CD=BD-BC$

substitute the values

$CD=\frac{124}{tan(33\°)}-\frac{124}{tan(62\°)}=125\ ft$

5 0

3 years ago

Solve the inequalities 3x2 – 11x > 20

Bas_tet [7]

Answer:

x=-10

Step-by-step explanation:

3x · 3x=9x-11x>20

-2x>20

÷-2 -2

___________-

x=-10

Hope this helps ∞

5 0

3 years ago