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3 years ago

Help pls if u can pls

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

7 0

Answer and Step-by-step explanation:

8. HL theorem - Has a right angle and the legs.

9. ASA - Angle A is congruent to angle B because of interior angles theorem, side AM is congruent to side MB because of midpoint theorem, angle AMC is congruent to angle BMD because of vertical angles theorem.

10. SSS - The two sides are congruent, and the hypotenuse is shared, making it congruent.

11. SAS - The two sides are congruent, and the angle between the congruent sides are congruent.

#teamtrees #WAP (Water And Plant)

Naddika [18.5K]3 years ago

6 0

8. RHS congruence rule

9. SAS congruence rule

10. SSS congruence rule

11. SAS congruence rule

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Help me thank you please help

weqwewe [10]

Answer:

I think 2 but sorry if I'm wrong

Step-by-step explanation:

6 0

2 years ago

What is -2x – 10 = 4????

Sunny_sXe [5.5K]

Answer:

x = -7

Step-by-step explanation:

-2x - 10 = 4

-2x = 14 | Add 10 to both sides

x = -7 | Divide both sides by -2

4 0

3 years ago

Need to know the equivalent ratio for 24:20=6:x

evablogger [386]

$24:20=6:x\\\\\frac{24}{20}=\frac{6}{x}\ \ \ \ \ |cross\ multiply\\\\24x=20\times6\\\\24x=120\ \ \ \ \ |divide\ both\ sides\ by\ 24\\\\\boxed{x=5}$

4 0

3 years ago

Read 2 more answers

Find the GCF for 15az and 25az

SOVA2 [1]

Answer:

The GCF for 15az and 25az is marked below.

15az = 3*5*a*z

25ab - 5*5*a*b

GCF = 5a

Step-by-step explanation:

Answers above! Hoped this helped :)

5 0

3 years ago

Read 2 more answers

From a sample with nequals24, the mean number of televisions per household is 4 with a standard deviation of 1 television. Usin

Otrada [13]

Answer:

At least 18 of the households have between 2 and 6 televisions.

Step-by-step explanation:

Chebyshev Theorem

The Chebyshev Theorem can also be applied to non-normal distribution. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by $100(1 - \frac{1}{k^{2}})$ .

In this question:

Mean = 4

Standard deviation = 1

Percentage of households that have between 2 and 6 televisions.

2 = 4 - 2*1

So 2 is two standard deviations below the mean

6 = 4 + 2*1

So 6 is two standard deviations above the mean

By Chebyshev's Theorem, at least 75% of the measures are within 2 standard deviations of the mean.

Out of 24

0.75*24 = 18

At least 18 of the households have between 2 and 6 televisions.

6 0

3 years ago