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coldgirl [10]
3 years ago
11

Are points A,B,and E Collinear or noncollinear

Mathematics
2 answers:
Vesnalui [34]3 years ago
7 0

Answer:

<h2>A.  noncollinear</h2><h2 />

Step-by-step explanation:

ABE are <u>NOT</u> in the same  line

Ainat [17]3 years ago
6 0

Answer:

non colinear

Step-by-step explanation:

Colinear means in a line

ABE are not in a line

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The point T (-3,-3) is translated 5 units right and 9 units up. What are the coordinates of the resulting point T?
Nadusha1986 [10]
The coordinates are (2, 6)
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The perimeter of a square is 56 cm. What is the approximate length of its diagonal?
ludmilkaskok [199]
Since we know a square has 4 equal sides
and is equal to to exact right triangles.
USing the formula for Perimeter
l+l+w+w=P or 2L+2W=P
56cm÷4=14 so now we have
(2)14+(2)14=P
P=14cm^2
The slant length on a triangle is equal to L
Slant lenght=14

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Billy is 6 years younger than Amy. The sum of their ages is 22. How old will each of them be in 8 years?
Dafna11 [192]
First let's find their current ages:
Billy + 6years = Amy
Billy + Amy = 22

Combining these equations:
Billy + (Billy + 6years) = 22
2 Billy = 16
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8 + 6 = Amy
Amy = 14

In 8 years Billy will be 16 and Amy will be 22. The answer is d.
3 0
3 years ago
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which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x 2? righ
irina1246 [14]

Answer:

5 units to the right and 23 units down

Step-by-step explanation:

we have

f(x)=x^{2}

This is a vertical parabola open upward with vertex at point (0,0)

g(x)=x^{2} -10x+2

Step 1

Convert the function g(x) into vertex form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

g(x)-2=x^{2} -10x

Complete the square. Remember to balance the equation by adding the same constants to each side

g(x)-2+25=x^{2} -10x+25

g(x)+23=x^{2} -10x+25

Rewrite as perfect squares

g(x)+23=(x-5)^{2}

g(x)=(x-5)^{2}-23

The function g(x) is a vertical parabola with the vertex at point (5,-23)

Step 2

Find the rule of the translation

(0,0)-------> (5,-23)

(x,y)-------> (x+5,y-23)

That means

The translation is 5 units to the right and 23 units down

6 0
3 years ago
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The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard
luda_lava [24]

Answer: 0.3849

Step-by-step explanation:

Given : sample size : n= 51

sample standard deviation : s= 0.46

Significance level : \alpha=1-0.95=0.05

Using chi-square distribution, the critical values will be :

\chi^2_{\alpha/2, n-1}=\chi_{0.025,\ 50}=71.4202

\chi^2_{1-\alpha/2, n-1}=\chi_{0.975,\ 50}=32.3574

Confidence interval for population standard deviation (\sigma) :

\sqrt{\dfrac{s^2(n-1)}{\chi^2_{\alpha/2}}}

Substitute all the values , we get

\sqrt{\dfrac{(0.46)^2(50)}{71.4202}}

Hence, the 95% two-sided confidence interval for σ : 0.3849

8 0
3 years ago
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