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Olenka [21]
3 years ago
7

HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
GenaCL600 [577]3 years ago
7 0
W equals -6


Hope this helps :)
vladimir1956 [14]3 years ago
5 0

Answer:w-6

Step-by-step explanation:

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Monroe is gift wrapping a box that has the shape of a right rectangle or prism the box has a length of 20 cm a width of 7 cm and
Zepler [3.9K]
All faces are rectangles.
Each two opposite faces are congruent and have the same area.

Two faces measure 20 cm by 7 cm.
Two faces measure 20 cm by 15 cm.
Two faces measure 15 cm by 7 cm.

total surface area = 2 * 20 cm * 7 cm + 2 * 20 cm * 15 cm + 2 * 15 cm * 7 cm

total surface area = 280 cm^2 + 600 cm^2 + 210 cm^2

total surface area = 1090 cm^2
7 0
4 years ago
a line passes through (3,-2) and (6,2). write an equation in point-slope form. rewrite the equation in standard form ​
Vlad [161]

again, bearing in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{2}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{2-(-2)}{6-3}\implies \cfrac{2+2}{6-3}\implies \cfrac{4}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-2)=\cfrac{4}{3}(x-3)\implies y+2=\cfrac{4}{3}x-4 \\\\[-0.35em] ~\dotfill

\bf y=\cfrac{4}{3}x-6\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{3}}{3(y)=3\left( \cfrac{4}{3}x-6 \right)}\implies 3y=4x-18 \\\\\\ -4x+3y=-18\implies \stackrel{\textit{standard form}}{4x-3y=18}

6 0
4 years ago
Find the length x (I'm giving 10 points if you answer this question wrong just to get the 10 points I will report your account)
Natali5045456 [20]
Okay so here's how i think you solve it


both triangles have the same ratio, so set it as 3/4.5 (the smaller triangle) is equal to X/13.5 (the 9 added to the 4.5)

multiply 13.5/1 on both sides to get x alone

13.5 3
-------- x ------- = x x= 9
1 4.5
5 0
3 years ago
Find an equation for the perpendicular bisector of the line segment whose endpoints are (-8,-3) and (2,3)
Elina [12.6K]

Answer:First, you must find the midpoint of the segment, the formula for which is  

(

x

1

+

x

2

2

,

y

1

+

y

2

2

)

. This gives  

(

−

5

,

3

)

as the midpoint. This is the point at which the segment will be bisected.

Next, since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula  

y

2

−

y

1

x

2

−

x

1

, which gives us a slope of  

5

.

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of  

5

is  

−

1

5

.

We now know that the perpendicular travels through the point  

(

−

5

,

3

)

and has a slope of  

−

1

5

.

Solve for the unknown  

b

in  

y

=

m

x

+

b

.

3

=

−

1

5

(

−

5

)

+

b

⇒

3

=

1

+

b

⇒

2

=

b

Therefore, the equation of the perpendicular bisector is  

y

=

−

1

5

x

+

2

.

Step-by-step explanation:

8 0
3 years ago
!; What would the ordered pair be?
Evgen [1.6K]

Answer:

(3, 2)

Step-by-step explanation:

y = 3x - 7

2x + 5y = 16

Solve for x:

2x + 5(3x - 7) = 16

2x + 15x - 35 = 16

17x = 51

x = 3

Solve for y:

y = 3(3) - 7

y = 9 - 7

y = 2

Answer:

(3, 2)

7 0
3 years ago
Read 2 more answers
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