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vovangra [49]
4 years ago
8

Samantha wants to buy a sweater that cost $32.98. Her mom said she would pay half. If Samantha already has $10, how much more mo

ney does she need?
Mathematics
1 answer:
xeze [42]4 years ago
3 0
I think it's $6.49.
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Input the equation for the following line in standard form Ax + By = C. Reduce all fractional answers to lowest terms.A line tha
harkovskaia [24]
<span>The line x + y = 6 is a line inclined at 45 degrees to the x-axis. Another line passing throughout the origin and parallel to this can only be :
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<span>x + y = 0


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7 0
3 years ago
Help Me! Easy math homework help needed please! Find the value of x. Please do all 3!
babymother [125]

Answer:

1. x = -4

2. x = -1/4 or -.25

3. m = 3

5 0
3 years ago
Read 2 more answers
F(1)= (what belongs here)
pochemuha

Answer:

1

Step-by-step explanation:

f(1) is simply the value of f(x) when x = 1. Therefore, looking at the graph, when x = 1, f(x) = 1.

5 0
3 years ago
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The base and sides of a container is made of wood panels. The container does not have a lid. The base and sides are rectangular.
vfiekz [6]

Answer:

Minimum surface area =70.77 cm^2

Step-by-step explanation:

We are given that

Width of container=x cm

Length of container=2x cm

Volume of container=54 cm^3

We have to find the minimum surface areas that this container will have.

Volume of container=l\times b\times h

x\times 2x\times h=54

2x^2h=54

h=\frac{54}{2x^2}=\frac{27}{x^2}

Surface area of container=2(b+l)h+lb

Because the container does not have lid

Surface area of container=S=2(2x+x)\times \frac{27}{x^2}+2x\times x

S=\frac{162}{x}+2x^2

Differentiate w.r.t x

\frac{dS}{dx}=-\frac{162}{x^2}+4x

\frac{dx^n}{dx}=nx^{n-1}

Substitute \frac{dS}{dx}=0

-\frac{162}{x^2}+4x=0

4x=\frac{162}{x^2}

x^3=\frac{162}{4}=40.5

x^3=40.5

x=(40.5)^{\frac{1}{3}}

x=3.4

Again differentiate w.r.t x

\frac{d^2S}{dx^2}=\frac{324}{x^3}+4

Substitute x=3.4

\frac{d^2S}{dx^2}=\frac{324}{(3.4)^3}+4=12.24>0

Hence, function is minimum at x=3.4

Substitute x=3.4

Then, we get

Minimum surface area =\frac{162}{(3.4)}+2(3.4)^2=70.77 cm^2

8 0
3 years ago
Please help! i'll give brainiest :)
KatRina [158]

Answer:

1. 109

2. 29

3. 71

Step-by-step explanation:

1. since a triangle's interior angles always add up to 180, you can add 35 and 36 to get 71, then subtract that from 180 to find the third angle

2. the unnamed angle in triangle RUV is supplementary to <1.Supplementary angles are angle the add up to 180. So you can subtract 109 from 180 to find the unnamed angle. It is 71. Now you can repeat the steps in question one to find <2 in triangle RUV. You get that <2 is 29

3. Angle 3 and the unnamed angle are vertical angles. This means that they are opposite to each other and are congruent. This means that they have the same measure. Knowing that the unnamed angle is 71, we can say that angle 3 is also 71.

7 0
3 years ago
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