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tekilochka [14]
3 years ago
6

What is the simplified expression for -3cd - d(2c - 4) - 4d?

Mathematics
2 answers:
Luda [366]3 years ago
7 0

Answer:

5cd

Step-by-step explanation:

grin007 [14]3 years ago
4 0

Answer:

The screenshot below should explain the answer

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Teddy was having trouble fitting into his clothes due to weight gain. In January, he weighed 180 lbs 6 oz. He gained 3 lbs 9 oz,
barxatty [35]
He weighs 196 lbs and 6 ounces. if you add the pounds (180 to 3, 5, 6)you get 194. then you add he ounces, and remember that there are 16 ounces in a pound and 8 ounces in a cup, (6 to 9, 12, 11) you get 2lbs and 6 ounces. then you add the 2 extra pounds to the 194 and you get, all together, 196 lbs and 6 ounces.
7 0
3 years ago
D. You are running a 4500-foot race. How much farther
azamat

Answer:

2500 feet

Step-by-step explanation:

4500 minus 2000 = 2500

7 0
2 years ago
The figure is cute into 12 equal pieces shade 3/4 of the figure
netineya [11]

Shade in 9 boxes

12÷4= 3 (This is 1 fourth)

3×3=9 (This is 3 fourths)

6 0
3 years ago
Which of the following is an example of a quantitative variable?
Mashcka [7]

Answer:

D. the number of hours the veterinarian works a week

7 0
3 years ago
How do I complete this question on arc length?
tresset_1 [31]

Answer:

v ≈ 8.5 km/h

Step-by-step explanation:

Since the diameter of the wheel is 3 m the radius will be r = 1.5 m.

Use the radius of the water wheel to find it's circumference C:

C=2\pi r                                               [set r = 1.5 m]

⇒ C=2\pi (1.5)

⇒ C=3\pi m

One revolution of the water wheel corresponds to 3\pi meters so the angular velocity 15 rmp (revolutions per minute) corresponds to:

15(3\pi ) = 45\pi m/min

Using this result, the speed of the river in kilometers per hour will be:

v=\frac{45\pi m }{1 min} ×  \frac{1 km}{1000 m} × \frac{60 min}{1 h}

⇒ v=8.48230016469  km/h

⇒ v ≈ 8.5 km/h

5 0
3 years ago
Read 2 more answers
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