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Ulleksa [173]
3 years ago
6

I need help quick. Please help I don’t understand.

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
8 0
The answer would be A
malfutka [58]3 years ago
5 0

Answer:

C

Step-by-step explanation:

The y-intercept of the line is -4, immediately eliminating D. The two definite points on the graph I could visually confirm were (0,-4) and (1, -1). You had to "rise" 3 units and "run" 1 unit. This is a slope of 3/1 or 3. In <em>y=mx+b</em> form, The equation is f(x)=3x-4 or C.

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7. Calculate the selling price of a $350 camera with a 35% mark-up sale price.
lubasha [3.4K]

Answer:

10) 3/5=a/15

a=9

9) 6/100×300

18$

8) 100-57.5

=42.5percent

7) 35/100×350

.=$122.5

3 0
4 years ago
Given a square with area x, you can use the formula d = 1.4x 1 2 to estimate the length of the diagonal of the square. Use the f
Firlakuza [10]

Answer:

<h2>14cm</h2>

Step-by-step explanation:

Given a length of the diagonal of a square modeled by the equation

d = 1.4x^1/2 where x is the area of the square, to find the estimate of the length of the square if area is 100cm², we will substitute x = 100 into the modeled equation to get s as shown;

d = 1.4 x^{1/2}\\\\d = 1.4 (100)^{1/2}\\\\d = 1.4\sqrt{100}\\\\d = 1.4 * 10\\\\d = \frac{14}{10} * 10\\ \\d = 14

<em>Hence the length of the diagonal of the square using the modeled equation is 14cm</em>

5 0
4 years ago
If f(x)=-x^2-1 and g(x)=x+5 then f(g(x)) =
sammy [17]

Answer:

The composition of f(g(x)) is:

f(g(x)) = -x^2-10x-26

Step-by-step explanation:

Given two functions are:

f(x) = -x^2-1\\g(x) = x+5

we have to find the composition of f and g which can also be written as: fog(x) or f(g(x))

The method to find the composition is that we will put the function g in place of x in function f

f(g(x)) = -(x+5)^2-1\\=-(x^2+25+10x)-1\\=-x^2-25-10x-1\\=-x^2-10x-26

Hence,

The composition of f(g(x)) is:

f(g(x)) = -x^2-10x-26

7 0
3 years ago
555555555555555555555555555555555555555555555555555555555555555555555
Lelechka [254]

Answer:

32 degrees. your welcome

6 0
3 years ago
Read 2 more answers
The area of a rectangle with a width of 3 units and a height of 4 units is 12 square units
Ivan

Answer: True

I believe

Step-by-step explanation:

you multiply 3x4=12

8 0
3 years ago
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