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3 years ago

15

Which of these describes the transformation of the triangle

1 answer:

Komok [63]3 years ago

3 0

I need the anwsers to help you

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You can only draw one unique isosceles triangle that contains an angle of 55°?

blsea [12.9K]

-- If the 55° angle is one of the two equal angles, then
the third angle is 70° .

-- If the 55° angle is the third angle, then each of the two
equal angles is 62.5° .

-- For either of these cases, there are an infinite number
of possible sets of side-lengths.

The statement in the question does not hold water.

6 0

3 years ago

2. Express each of the following as a rational number in the form of p/q<br> Where q≠0

ANTONII [103]

Step-by-step explanation:

We need to find each of the following as a rational number in the form of p/q

(a) (3/7)² (b) (7/9)³ (c) (-2/3)⁴

Solution,

(a) (3/7)²

$(\dfrac{3}{7})^2=\dfrac{9}{49}$

(b) (7/9)³

$(\dfrac{7}{9})^3=\dfrac{7\times 7\times 7}{9\times 9\times 9}\\\\=\dfrac{343}{729}$

(c) (-2/3)⁴

$(\dfrac{-2}{3})^4=\dfrac{-2\times -2\times -2\times -2}{3\times 3\times 3\times 3}\\\\=\dfrac{16}{81}$

Hence, this is the required solution.

4 0

3 years ago

Formula for the sum of angles of a triangle: A+B+C=180 degrees, for C

nevsk [136]

A + B + C = 180
<span>C = 180 - A - B </span>

5 0

3 years ago

nA car dealer who sells only late-model luxury cars recently hired a new salesperson and believes that this salesperson is selli

7nadin3 [17]

Answer:

The value of an appropriate test statistic for the car dealer to use is -4.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 4600$

The alternate hypotesis is:

$H_{1} < 4600$

The test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem:

$X = 4100, \mu = 4600, \sigma = 500, n = 16$

Then

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{4100 - 4600}{\frac{500}{\sqrt{16}}}$

$t = -4$

The value of an appropriate test statistic for the car dealer to use is -4.

8 0

3 years ago

Fitness instructor recommend a workout of both cardio and strength at a ratio of 7:4 minutes how many minutes of cardio would be

Nadusha1986 [10]

4x = 20 min
7x = y min

x = 20 / 4
x = 5 min

7*5 = 35 min

3 0

3 years ago

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