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
Olegator [25]
3 years ago
12

Simplify the expression. (4a- 80 - 4a2) + (7a3 - 7 - 6a)

Mathematics
1 answer:
allsm [11]3 years ago
3 0

Answer:

the answer should be 7a^3-4a^2-2a-87

You might be interested in
What are the solutions to the quadratic equation below? X^2-8x+16
leva [86]

(₋4)²

how i got it -

1st i used the sum-product pattern

x² - 8x + 16

x² -4-4+16

then, found the common fact from the two pairs

x² - 4 - 4 + 16

(-4) - 4(-4)

rewrite in factored form

(x-4)-4(-4)

(-4) (-4)

combine to a square

(-4) (-4)

4 0
3 years ago
Read 2 more answers
3. Multiply<br> (5 points)<br> O<br> 33<br> -6<br> 40<br> O<br> mo<br> O
ladessa [460]

Answer: -7920

Step-by-step explanation: 33x-6x40= -7920

5 0
3 years ago
Read 2 more answers
You estimate the distance from your house to your school to be 1.6 miles. The actual distance is 1.9 miles. Find the percent err
Bezzdna [24]
To find percent error you use the following formula:
% Error =  \frac{final value - given value}{given value}
% error = (1.6 - 1.9)/1.9 * 100% = 15.79%
5 0
3 years ago
Multiple Choice: Choose the correct answer for questions 1 and 2.
pickupchik [31]

Answer:

The correct answer is:

C. Trisha is shorter than 75% of girls aged 16 to 18.

Step-by-step explanation:

When a dataset is divided into four equal parts, the first part is called the lower quartile. The data is usually sorted in ascending order before finding quartiles.

The lower quartile contains 25% of the whole data. The values in lower quartile are are less than 75% of the values.

If Trisha's height is in lower quartile that means her height is less than the girls in middle and higher quartile.

Hence,

The correct answer is:

C. Trisha is shorter than 75% of girls aged 16 to 18.

4 0
3 years ago
Identify the first 4 terms in the geometric sequence given by the explicit formula ƒ(n) = 4 × 2(n – 1). Question 3 options: A) 4
KATRIN_1 [288]

Answer:

A

Step-by-step explanation:

Hello, please consider the following.

f(1)=4*2^0=4\\\\f(2)=4*2^1=8\\\\f(3)=4*2^2=16\\\\f(4)=4*2^3=32

So the correct answer is the first one A.

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0
3 years ago
Read 2 more answers
Other questions:
  • Find the coordinates of the midpoint AB. 1) ( -2,4), (4,0) THANK YOU!! And it's worth a lot of points if I get it right.
    12·1 answer
  • Identify the 2-dimensional shape created from a diagonal cross section of a cone​
    7·1 answer
  • A delivery company charges 10¢ per cubic inch to deliver a package. If a box is 9 inches long, 7 inches wide, and 4 inches deep,
    14·2 answers
  • HURRY 20 POINTS!!!!! Given the geometric sequence an = 6(5)n − 1, which of the following values for n lies in the appropriate do
    11·1 answer
  • A jet flies 600 Kilometers in 3/4 hour. How far can this jet fly in 1/2 hour?
    7·1 answer
  • 2x-3y=-1, 2x+y=11solve the system equation
    11·1 answer
  • 1/8 plus 1/4 equals.
    12·2 answers
  • A school hall is in the shape of a cuboid. The school hall is 30 m long, 12 m wide and 4 m tall. (a) Calculate the volume of the
    10·1 answer
  • Use the box plots comparing the number of males and number of females attending the latest superhero movie each day for a month
    11·1 answer
  • Translation: (x,y)→(x+7,y+5) Coordinates: Y(−5,−4), X(−5,−1), W(−2,0), V(−2,−5)
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!