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sveta [45]
3 years ago
15

Multiply the polynomials. (4x2 + 3x + 7)(8x – 5)

Mathematics
2 answers:
Triss [41]3 years ago
4 0
32x^3+4x^2+41x-35

hope it helps

Alborosie3 years ago
4 0

Answer:

32x^3+4x^2+41x-35

Step-by-step explanation:

Given expression is,

(4x^2+3x+7)(8x-5)

Using the distributive property,

(4x^2+3x+7)(8x)-(4x^2+3x+7)(5)

Again by distributive property,

4x^2(8x)+3x(8x)+7(8x)-4x^2(5)-3x(5)-7(5)

32x^3+24x^2+56x-20x^2-15x-35

Combine like terms,

32x^3+4x^2+41x-35

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Alyn drives 20.4 miles in 17 minutes.
Galina-37 [17]

Answer:

  • 12 mph

Step-by-step explanation:

<em>Speed = distance/time</em>

  • Distance = 20.4 miles
  • Time = 17 minutes = 17*1/60 hours = 17/60 hours

<u>Speed is:</u>

  • 20.4 : 17/60 =
  • 20.4*60/17 =
  • 72 mph

<u>Alyn exceeded the limit by:</u>

  • 72 - 60 = 12 mph
5 0
3 years ago
Which algebraic rule describes the transformation?
Olegator [25]

Answer:

C) (x,y) -> (-x,-y)

Step-by-step explanation:

This is the answer because the graph was flipped. If you look a the x point, it is in the same number, but the number is negative, and this is the same for the y point. hope this helps

7 0
3 years ago
Which side lengths form s right triangle?<br>A. 5,12,13<br>B. 4,4,8<br>C. 2,3,4<br>plz help ​
zzz [600]

Answer:

A 5,12,13

Step-by-step explanation:

workout Pythagorean theory and find the hypotenus

5 0
3 years ago
Can someone help me understand this?
ASHA 777 [7]

< means 'less than'. 3.5 is less than 4.5, so A is correct. Since -4.5 is NEGATIVE it is less than 0. As for C, since both numbers are negative, it would be the seemingly 'smaller' number that is actually bigger. It may help to think of the numbers on a number line. In the negatives, the numbers start to go in reverse, so the further from 0 a negative number is, the smaller it is. -4.5 IS LESS than -3.5. All answers are correct.

4 0
3 years ago
Read 2 more answers
4[3(10-7)+(11•2)]<br><br> Help please
Yuri [45]
Answer: 124

Explanation: 4[3(10-7)+(11•2)]
Parentheses - 4[3(3)+(22)]
Parentheses - 4(9+22)
Parentheses - 4(31)
Multiplication - 124
8 0
2 years ago
Read 2 more answers
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