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RUDIKE [14]
3 years ago
11

Simplify (4−b)(5b2+5b−4)

Mathematics
1 answer:
astraxan [27]3 years ago
4 0

Answer:15b^2-5b^3+24b-16

Step-by-step explanation:

(4-b)(5b^2+5b-4)

Open the brackets

20b^2+20b-16-5b^3-5b^2+4b

Collect like terms

20b^2-5b^2-5b^3+20b+4b-16

15b^2-5b^3+24b-16

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Carlos is driving on a straight section of highway from Ashford to Lincoln. Ashford is at mile marker 333 and Lincoln is at mile
Arte-miy333 [17]

Distance between the two cities:

453 - 333 = 120 miles.

Rest area is 2/3 of the way:

120 x 2/3 = 240/3 = 80 miles.

Divide the miles to the rest stop by his speed:

80 miles/ 60 miles per hour = 1 and 1/3 hours as a fraction. 1.3333 as a decimal( round as needed.

( 1 hour and 20 minutes)

3 0
3 years ago
Drew has two cats. One cat weighs 17 pounds, and the other one weighs 12 1/2 pounds. Audrey’s dog weighs 33 pounds. What is the
Step2247 [10]

Answer:  3.5 pounds

Step-by-step explanation:

17+12.5=29.5

33-29.5=3.5

4 0
3 years ago
Which of the following is NOT an integer? A. 8/2 B. 1/4 C. 0 D. -5​
vovangra [49]

Answer:

B. 1/4

Step-by-step explanation:

Even though A is a fraction it is also an integer (4)

6 0
2 years ago
Similar:<br> Similarity Statement:<br> Scale Factor:<br> Please help, NO LINKS
nalin [4]

Answer:

No similarity and no scale factor (I could be wrong)

Step-by-step explanation:

Don't worry, no links :)

You would see if they are similar if they have similar sides. so if there is an equal ratio, to both, they are similar. Sometimes they may not look similar until you rotate them. So for the following, you can see that if E were on the bottom, it would look like the triangle with N and M on the bottom you can ensure this to look at the ratios of each side. To find the scale factor, it depends on which way you are going. are you going from GEF to MNL or MNL to GEF? To me, it doesn't look like there is a scale factor, but I could be wrong.

8 0
3 years ago
Find x. <br><br> Please help! Oh
Reika [66]
X = 8.5 because 8.5 x 2 = 17 and 17 + 1 = 18
4 0
3 years ago
Read 2 more answers
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