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Kobotan [32]
2 years ago
13

Hi, need help please to get my HS diploma...did not graduate :(

Mathematics
1 answer:
Sergio039 [100]2 years ago
7 0

Answer:

B

Step-by-step explanation:

I assume this should look like

V(x) = -x² + 2x - 4

W(x) = -x³ + 2x² + x + 5

when doing arithmetic operations with whole functions, we simply do these operations with the whole expressions :

V(x) × W(x) =

(-x² + 2x - 4) × (-x³ + 2x² + x + 5) =

= x⁵ - 2x⁴ - x³ - 5x² - 2x⁴ + 4x³ + 2x² + 10x + 4x³ - 8x² - 4x - 20 =

= x⁵ - 4x⁴ + 7x³ - 11x² + 6x - 20

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What is the area of the figure?
xenn [34]

Answer:   17.5 square yards

================================================

Work Shown:

base = 5 yards

height = 7 yards

The base and height are always perpendicular to one another

area of triangle = 0.5*(base)*(height)

area of triangle = 0.5*(5)*(7)

area of triangle = 17.5 square yards

The other values aren't used. They're likely thrown in as a distraction.

3 0
3 years ago
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Can the sum or multiplication of two palindromic numbers be another palindromic number?​
rosijanka [135]

Answer: No.

Step-by-step explanation:

If you multiply 1001 by 1001 it's not another palindromic number.

6 0
3 years ago
Find the measures of two complementary angles, ÐA and ÐB, if mÐA = (7x + 4)° and mÐB = (4x + 9)°. Measure of angle A = ... Measu
Westkost [7]

Answer:

The measure of angle A is 53 degrees

The measure of angle B is 37 degrees

Step-by-step explanation:

Here in this question, we are interested in calculating the measure of the two angle.

When how angles are complementary, it means the sum of both equals 90 degrees

mathematically ;

(7x + 4) + (4x + 9) = 90

7x + 4x + 4 + 9 = 90

11x + 13 = 90

11x = 90-13

11x = 77

x = 77/11 = 7

The measure of angle A = 7x + 4 = 7(7) + 4 = 49 + 4 = 53 degrees

The measure of B = 4x + 9 = 4(7) + 9 = 28 + 9 = 37 degrees

3 0
3 years ago
Find the median of the following numbers: 195, 230, 200, 226​
BlackZzzverrR [31]

Answer: 213

Step-by-step explanation: The median is the middle number

in the data set when the data set is written from least to greatest.

So let's start with writing ur data set from least to greatest.

So we have 195, 200, 226, 230.

Notice that there are two middle numbers.

If there are two middle numbers in the data set,

we find the median by taking their average.

In other words, we add the two middle numbers and divide by two.

So we have 200 + 226/2 or 426/2 which is 213.

3 0
3 years ago
If each person takes up 2.25 square feet of space, how many people can fit into an area that is 15 feet by 30 feet?
3241004551 [841]
D is the answer Multiply 15 times 30 and divide by 2.25
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3 years ago
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