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2 years ago

Congruent Triangles

Mathematics

2 answers:

scoray [572]2 years ago

5 0

Answer:

Hi I'm 4546b's alt so now you can give them brainliest

Step-by-step explanation:

Yay!

Rashid [163]2 years ago

3 0

Answer:

1)SAS

2)AAA

Step-by-step explanation:

we know ZY=ZY

we know WY=XY

we know that W=Z

so we have a side, angle and side

SAS

we know R=T, or 45 degrees.

we know Q=U, or 90 degrees

we know that the middle angles are congruent

we have a Angle, Angle, and Angle so...

AAA

Brainliest plz. I am trying to achive virtuoso... so It would be appreciated.

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Can u help me with these math problems

Vlada [557]

Answer:

Q3: A

Q4: 9x² + (-x) + (-3)

Step-by-step explanation:

Q3: C (63) => x = 63. => C(x) = 36 x 63

Q4: f(x) + g(x) = 7x² - 5x + 3 + 2x² + 4x - 6 = (7x² + 2x²) + (-5x + 4x) + (3 - 6) = 9x² + (-x) + (-3)

8 0

3 years ago

Suppose that shoe sizes of American women have a bell-shaped distribution with a mean of 8.47 and a standard deviation of 1.5. U

alex41 [277]

Answer:

2.5% of American women have shoe sizes that are greater than 11.47.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 8.47

Standard deviation = 1.5

The normal distribution is symmetric, which means that half the measures are below the mean, and half are above the mean.

What percentage of American women have shoe sizes that are greater than 11.47?

11.47 = 8.47 + 2*1.5

This means that 11.47 is two standard deviations above the mean.

Of those measures below the mean, none are greater than 11.47.

Of those measures above the mean, 95% are between the mean and 11.47, and 5% are above. So

0.5*0.05 = 0.025

2.5% of American women have shoe sizes that are greater than 11.47.

8 0

3 years ago

7x-4y=20 for y when x=3

viktelen [127]

I think it is y=-.25
7*3 - 4y = 20
21 - 4y = 20
subtract 21 from each side
- 4y = - 1
divide each side by - 4
y= -.25

6 0

3 years ago

Read 2 more answers

The students in Mr. Bhatia's

vodomira [7]

Answer:

Isabel's bee rounds to 0.8 inches and Pablo's bee round to 0.5 inches..

Step-by-step explanation:

Look at the attached picture.

The students in Mr. Bhatia's class measure the length of four bees.

If we round the lengths to the nearest tenth we get:

Isabel’s bee rounds to 0.8 inches

Pablo’s bee rounds to 0.5 inches

Wendi’s bee rounds to 0.6 inches

Brett’s bee rounds to 0.7 inches

This shows that Isabel's bee rounds to 0.8 inches and Pablo's bee round to 0.5 inches..

6 0

3 years ago

PLEASE HELP IM TIMED NO LINKS OR FILES THESE ARE NOT FREE POINTS WILL REPORT, ALSO I WILL GIVE BRAINLISET TO FIRST PERSON THAT A

Alex777 [14]

Answer:

t=-28

Step-by-step explanation:

4 0

2 years ago