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skelet666 [1.2K]
3 years ago
6

Which choice shows (9 x 3) x 20 correctly rewritten using the associative property and then correctly simplified?

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0

Answer:

I'm guessing it is 3x(9x20)=3x180=540

Step-by-step explanation:

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Eeeeeeek need help! 5/3w = -10<br><br> A. -6<br> B. -1/6<br> C. -50/3<br> D. -5/6
xenn [34]

multiply both sides by the reciprical of 5/3 so:


3/5(5/3)w=-10(3/5)

w=-30/5=  -6

5 0
3 years ago
If it is about 41 miles around how many square miles does it cover
vodka [1.7K]

Answer:

133,7697

Step-by-step explanation:

C=2*r*\pi  41 = 2*r*\pi  r= 6,5253\\S=r^2*\pi = 133,7697

8 0
2 years ago
Laney builds a tower with wooden cubes. The bottom cube's edges are 8 centimeters long. The middle cube's edges are 2 centimeter
Mazyrski [523]

Answer: The total volume of the the cubes in the tower is 792 cubic centimetres (792 cm³)

Step-by-step explanation: We shall call the volume of the cube at the bottom VB, the volume of the cube at the middle VM, and the volume of the cube at the top VT. The tower is made up of cubes at different levels and at the bottom the cube measures 8 centimetres. The cube at the middle measures 2 cm less than the bottom cube, hence middle cube equals 8 minus 2 which equals 6 cm. The top cube measures 2 cm less than the middle cube, hence the top cube equals 6 minus 2 which equals 4 cm. The volume of each cube is given as;

Volume = L³

The length of a cube measures the same on all sides, that is, length, width and height. The length on all sides therefore of the bottom cube is 8 cm. The volume equals;

VB = 8³

VB = 512 cm³

The length on all sides of the middle cube is 6 cm (measures 2 cm shorter than the bottom cube). The volume of the middle cube equals;

VM = L³

VM = 6³

VM = 216 cm³

The length on all sides of the top cube is 4 cm (measures 2 cm shorter than the middle cube). The volume of the top cube equals;

VT = L³

VT = 4³

VT = 64

From the calculations shown, the total volume of the cubes in the tower is given as;

Total volume = VB + VM + VT

Total volume = 512 + 216 + 64

Total volume = 792 cm³

Total volume is 792 cubic centimetres.

8 0
3 years ago
Read 2 more answers
RS bisects QRT, mangleQRS = (3x + 8), and mangleSRT = (5x − 4).
Leya [2.2K]

Bisect typically means half but since we aren't given angle at the start so we can just have to solve for x.

(3x + 8) = (5x - 4)

3x = 5x - 12

-2x = -12

x = 6

Best of Luck!

5 0
3 years ago
What is the equation of the line in the gaph?
andrew-mc [135]
The answer is

y = (-x) - 1
8 0
3 years ago
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