MATHEMATICS HIGH SCHOOL

Solve
4(-5)(-2)(-3)
show your work<3
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Answers

Answer 1

Answer:

Answer:

-120

Step-by-step explanation:

4(-5)(-2)(-3)

= -20 × 6

= -120 (Ans)

Answer 2

Answer:

Answer:

-120

Step-by-step explanation:

lots of approaches here

suggest saying that there are 3 (odd) number of negative signs

so the answer is negative (-)

5*4 = 20

20*2 = 40

40*3 = 120

we determined that the answer has to be negative

-120

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In XYZ, a right angled triangle, Z=90 degrees. Given that X=58 degrees, and XZ is 4.9m, find the length of XY

Answers

Answer:

XY ≈ 9.2 m

Step-by-step explanation:

using the cosine ratio in the right triangle

cos58° = $(adjacent)/(hypotenuse)$ = $(XZ)/(XY)$ = $(4.9)/(XY)$ ( multiply both sides by XY )

XY × cos58° = 4.9 ( divide both sides by cos58° )

XY = $(4.9)/(cos58)$ ≈ 9.2 m ( to the nearest tenth )

Find inverse of f(x)=3x+1

Answers

$f(x)=3x+1\to y=3x+1\n\n3x+1=y\ \ \ \ \ |-1\ both\ sides\n\n3x=y-1\ \ \ \ \ |:3\ both\ sides\n\nx=(1)/(3)y-(1)/(3)\n\nAnswer:f(x)=(1)/(3)x-(1)/(3)$

f:R->R, f(x) = 3x+1;Let be g the inverse of f;3x+1 = y => 3x = y-1 => x = (y-1)/3;g:R->R, g(y) = (y-1)/3;

Over the first 14 days, 2,755 people visit their new store. about how many people visited the store each day?

Answers

I believe the answer is 196.9

In the first 4 of 5 consecutive days, Martha delivered144, 152, 139, and 171 newspapers. How many
newspapers did Martha deliver on the fifth day, if the
average number of newspapers she delivered per day
during the five-day period was 155?
A. 154
B. 162
C. 169
D. 171
Given the number of newspapers delivered by
E. Martha on the first four days, she cannot average
155 per day for the five-day period.

Answers

Answer:

C. 169

Step-by-step explanation:

144+152+139+171+169=775

775÷5=155

Round the answer to the nearest cent.

5% tax on $20 is $

Answers

5% tax on 20 dollars.
First let's convert 5% to decimal
=> 5% / 100 = .05
Next is to simply multiple 0.05 to 20 dollars
=> 20 * .05 = 1 dollar.
Thus. the 5% of 20 dollars is 1 dollar.

What is the term for the conversion of a bitmap image to a vector image?