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lawyer [7]
3 years ago
10

Please help me asap ​

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

d

Step-by-step explanation:

cannot be a or c cause it has a negative sign in front of it causing it to reflect over y axis. Cannot be B cause it doesn't have two coefficients with X. I also graphed it.

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(05.06)A chocolate bar measures 40 mm wide, 80 mm long, and 5 and 1 over 2 mm high. Will’s Wrapping Company is making a wrapper
photoshop1234 [79]

Answer:

Will’s Wrapping Company needs 7,720 mm2 of paper to wrap the chocolate bar.

Step-by-step explanation:

we know that

The amount of paper needed to make the wrapper is equal to the surface area of the chocolate bar

The surface area of a rectangular prism (chocolate bar) is equal to

SA=2B+PH

where

B is the area of the base

P is the perimeter of the base

H is the height of he prism

In this problem we have

L=80\ mm\\W=5\frac{1}{2}\ mm=5.5\ mm\\H=40\ mm

<em>Find the area of the base</em>

B=LW=(80)(5.5)=440\ mm^2

<em>Find the perimeter of the base</em>

P=2(L+W)=2(80+5.5)=171\ mm

<em>Find the surface area</em>

SA=2(440)+171(40)\\SA=7,720\ mm^2

5 0
3 years ago
In Ms. Henrick's class, there are 10 boys and 12 girls. What is the ratio of boys to girls? Express your answer as a fraction in
andreev551 [17]

Answer:

The ratios is 10:12 and if you were to write it in a fraction you get 10/12 which is simplified as 5/6

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve the system of equations by graphing. Look at the picture. Will Mark Brainliest​
aleksandr82 [10.1K]

Answer:

See below

Step-by-step explanation:

<h3>Graphing:</h3>

we are given two functions

\displaystyle \begin{cases}f(x) =  - x + 5 \\ g(x) =  {x}^{2}   - 3x + 2\end{cases}

where f(x) is a <em>linear</em><em> </em><em>function</em> and g(x) is a <em>q</em><em>uadratic </em>function

we want to figure out the solutions of the function

let's graph f(x):

the Black-table is attached

let's graph g(x):

the picture is attached

hence, the graph should be

the graph is attached

<h3>solutions stating:</h3>

so we need solution(s) which satisfy(ies) the both functions

in this case the solution (s) the x coordinate(s) where both functions intercept we get from the graph that both functions intercept at <u>(</u><u>-</u><u>1</u><u>,</u><u>6</u><u>)</u> and <u>(</u><u>3</u><u>,</u><u>2</u><u>)</u>

hence,

x={-1,3}

5 0
3 years ago
How to reflect over y axis in an equation?
iren [92.7K]
<span>1)  y = -f(x) (This is the reflection about the x-axis of the graph y = f(x).)  That is for every point (x, y) there is a point (x, -y).
</span><span>2)  y = |f(x)| means that the entire graph will be above the x-axis.  Why?  (The absolute value is always positive, that's why!!)<span>  To graph the absolute value graph, graph the function y = f(x).  Anything above the x-axis, stays above it, anything below the x-axis is reflected above the x-axis and anything on the x-axis, stays on the x-axis.
</span></span><span>3)  y = f(-x)  (This is reflection about the y-axis of the graph y = f(x))  For every point on the right of the y-axis, there is a point equidistant to the left of the y-axis.  That is for every point (x, y), there is a point (-x, y).  
</span><span>4)  Reflections about the line y = x is accomplished by interchanging the x and the y-values.  Thus for y = f(x) the reflection about the line y = x is accomplished by x = f(y).  Thus the reflection about the line y = x for y = x2 is the equation x = y2. </span>
7 0
3 years ago
What is the surface area of a cylinder with a radius of 3ft and a height of 5ft
ycow [4]
The answer is 150.8. there is a cylindrical surface area calculator online if you have anymore related questions
4 0
3 years ago
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