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3 years ago

15

A wire was bent to make a triangular clothes hanger. If the lengths of the sides are 38 cm, 25 cm, 25 cm. Find the minimum lengt

h of the wire required to make the hanger.

1 answer:

erastovalidia [21]3 years ago

6 0

Answer:

88cm

Step-by-step explanation:

38+25+25=88

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I need answer plz, I would appreciate if someone can help me

Anni [7]

Answer:

(0,b) from a formula y=mx+b

(0,y) from a graph

Step-by-step explanation:

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3 years ago

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find the area of the isocele triangle formed by the points of intersection of parabolas y=-x^2+9 and y=2x^2-3 and the origin

leonid [27]

Answer:

$10\ \text{sq. units}$

Step-by-step explanation:

The parabola's are

$y=-x^2+9$

$y=2x^2-3$

So

$-x^2+9=2x^2-3\\\Rightarrow 12=3x^2\\\Rightarrow \\\Rightarrow x=\sqrt{\dfrac{12}{3}}\\\Rightarrow x=\pm 2$

$y=-x^2+9=-(2)^2+9\\\Rightarrow y=5$

$y=-(-2)^2+9=5$

So, the points at which the parabola's intersect each other is $(2,5)$ and $(-2,5)$

The three points of the triangle are $(2,5)$ , $(-2,5)$ and $(0,0)$

Area of a triangle is given by

$A=\dfrac{1}{2}[x_1(y_2-y_3) + x_2(y_3-y_1) + x_3(y_1-y_2)]\\\Rightarrow A=\dfrac{1}{2}[2(5-0)+(-2)(0-5)+0(5-5)]\\\Rightarrow A=10\ \text{sq. units}$

Area of the triangle formed is $10\ \text{sq. units}$ .

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3 years ago

What is the midpoint of the segment below?

Veronika [31]

I am pretty sure it is B.

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4 years ago

Can someone give me the answer

Rina8888 [55]

Answer:

A) $y=1.3x+10$

Step-by-step explanation:

1) Plug 2 sets of points into slope formula to find the slope:

$\frac{(16.5-10)}{(5-0)}$

$\frac{6.5}{5}$

2) Write the slope as a decimal:

$m=1.3$

3) Plug the slope and two points into point slope form:

$y-10=1.3(x-0)$

4) Distribute 1.3 to x and 0:

$y-10=1.3x$

5) Add 10 to both sides:

$y=1.3x+10$

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3 years ago

Please help!! Show work please!!

beks73 [17]

Its a because you multiply 3 with 11 to get 33 minus 8 equals 25

25=3(11)-8
25=33-8
25=25

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4 years ago

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