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Naya [18.7K]
1 year ago
8

What is the relationship between a and b

Mathematics
1 answer:
Advocard [28]1 year ago
6 0

Answer:

B. Vertical angles.

look at the image attached.

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Jerry buys t-shirts for $6 each and marks up the price by 45%.
solong [7]

Answer:

$2.70

Step-by-step explanation:

to find out he marks up each shirt by, just do 45% of 6 or 0.45 * 6 = $2.70

5 0
3 years ago
Read 2 more answers
I'am thinking of two numbers. The sum of the two numbers is 14. Their product is 45. What are the two numbers I am thinking of?
podryga [215]
The answer is 9 and 5. This is because when you add 9 and 5, you get 14. Also, when you multiply those 2 numbers, the product is 45. Hope this helped!!!!!!!!!!!!!!!!!
5 0
3 years ago
For funcitons f(x)=2x+3 and g(x)=-3x-2, please find (f∘g)(-1)
ratelena [41]

Answer:

\displaystyle (f\circ g)(-1) = 5

Step-by-step explanation:

We are given the two functions:
\displaystyle f(x) = 2x + 3\text{ and } g(x) = -3x - 2

And we want to find:
\displaystyle (f\circ g)(-1)

Recall that this is equivalent to:
\displaystyle (f\circ g)(-1) = f(g(-1))

Hence, find g(-1):
\displaystyle \begin{aligned} g(x) & = -3x - 2\\ \\ g(-1) & = -3(-1) - 2\\ \\ & = (3) - 2 \\ \\ & = 1 \end{aligned}

Substitute:
\displaystyle f(g(-1)) = f(1)

Find f(1):

\displaystyle \begin{aligned} f(x) & =  2x+ 3 \\ \\ f(1) & = 2(1) + 3 \\ \\ & = 5\end{aligned}

In conclusion:
\displaystyle (f\circ g)(-1) = 5

5 0
3 years ago
Find the slope<br><br> (-3, -3) (-4,-8)<br><br> please explain it please
ss7ja [257]

Answer:

y2-y1/x2-x1

Step-by-step explanation:

Get a line of which you want to know the slope. Make sure that the line is straight. Pick any two coordinates that the line goes through. Coordinates are the x and y points written as (x, y). Pick which point's coordinates are dominant in your equation.

Formula: Slope of a Straight Line: Point 1 is now Bert and Point 2 is now Ernie Look at the graph and note their X and Y values: (X Bert, Y Bert) and (X Ernie, Y Ernie) The slope formula is now: M = (Y Ernie - Y Bert) / (X Ernie - X Bert)

5 0
3 years ago
Read 2 more answers
A tank holds 256 gallons but is leaking at a raye of 3 gallons per week.A second water tank holds 384 gallons but is leaking at
notka56 [123]
Set the equations equal to each other because you need to find when they will be the same.

256 - 3x = 384 - 5x
Add 5x to each side and subtract 256 from each side to get the variable alone.

2x = 128
Divide by 2.

x = 64
5 0
3 years ago
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