1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Yuri [45]
3 years ago
6

Multiply: (3x + 7)(5x2 − 3x + 6) A) 15x3 + 26x2 − 39x + 42 B) 15x3 + 26x2 + 3x + 42 C) 15x3 − 44x2 − 3x + 42 D) 15x3 + 26x2 − 3x

+ 42
Mathematics
1 answer:
myrzilka [38]3 years ago
3 0

Answer:

\Huge\boxed{15x^3+26x^2-3x+42}

Step-by-step explanation:

\text{Use FOIL:}\\\\(a+b)(c+d)=ac+ad+bc+bd

(3x + 7)(5x^2-3x + 6)\\\\=(3x)(5x^2)+(3x)(-3x)+(3x)(6)+(7)(5x^2)+(7)(-3x)+(7)(6)\\\\=15x^3-9x^2+18x+35x^2-21x+42\\\\\text{combine like terms}\\\\=15x^3+(-9x^2+35x^2)+(18x-21x)+42\\\\=15x^3+26x^2-3x+42

You might be interested in
Points P, Q, and S are collinear . If bisects PQR, what is the measure of PQT?
stepladder [879]
719.81 and dont mind the rest of this it said i need 20 words lol and can u do my question plz ?
5 0
3 years ago
Help Please I'm Out Of Time ;(
trasher [3.6K]

Answer:

Total area = 31.5 unit²

Step-by-step explanation:

Assume 1 block = 1 unit²

Divide diagram into 3 part

1. 5 by 5 block square

2. 2 by 2 block triangle(1)

2. 3 by 3 block triangle(2)

Area of square = side × side

Area of square = 5 × 5

Area of square = 25 unit²

Area of triangle(1) = [1/2][base][height]

Area of triangle(1) = [1/2][2][2]

Area of triangle(1) = 2 unit²

Area of triangle(2) = [1/2][base][height]

Area of triangle(2) = [1/2][3][3]

Area of triangle(2) = 4.5 unit²

Total area = Area of square + Area of triangle(1) +Area of triangle(2)

Total area = 25 unit² + 2 unit² + 4.5 unit²

Total area = 31.5 unit²

6 0
3 years ago
An experiment is set up to study the weights of 35 mice after they are injected with a drug. The population mean is 23.50 grams
scZoUnD [109]
Ok you need to add 23.50+3.40
what do you get?
26.9
Round it to the nearest hundreth what do you get?
26.10 is your final answer

7 0
3 years ago
Read 2 more answers
Which equation represents the graphed function?
Novay_Z [31]

Answer: C is your answer.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Jessica works between 12h and 18h per week at her part-time job. She earns $9.25 per hour. The function p(h) = 9.25h models the
Tpy6a [65]
D. All real numbers between 111 and 166.5 inclusive.

3 0
4 years ago
Other questions:
  • Please HELP solve : 4(y-3) + 9 - 3y
    5·2 answers
  • Find the value of x so the rectangles have the same area
    6·1 answer
  • Helpppppp pleaseeeeeeeee
    11·1 answer
  • Tell how you rename fractions greater than 1 as mixed numbers as fractions greater than 1.
    5·1 answer
  • Which equation is the inverse of y = 16x^2 + 1?
    6·2 answers
  • Hey what is 30 % of 3.5 million?
    13·2 answers
  • Explanation NEEDS to be included! No fake answers please! Brainliest for the best! Thank You!
    11·2 answers
  • In a right triangle, if a = 8in and c = 14in, what is b? Round to three decimal places.
    15·1 answer
  • What is the perimeter of ABC with vertices at A (-11,4) B(-7,8) and C (-4,4)
    8·1 answer
  • Shahida has seen an eagle landing at the top of the tree in her backyard. She places a camera on a tripod a distance of 12 feet
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!