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4 years ago

Help please I don’t get it (????)

Mathematics

2 answers:

lara31 [8.8K]4 years ago

7 0

Answer:

is a sas theorem.

Step-by-step explanation:

Eddi Din [679]4 years ago

6 0

Step-by-step explanation:

i am guessing you dont understand what do they mean by SSS, SAS, and AA. These are three theorems that are used to compare triangles to each other. your reference book might already have the explanation.

A. SAS stands for side angle side.

this theorem is used to prove that two triangles are congruent, but we're looking for the theorem that proves that these triangles are similar. this can't be our answer.

D. SSS

the three sides of one triangle are compared with the three sides of the other triangle to prove that they're 'congruent', can not be our answer either.

B. AA

we look at the angles of both the triangles to see if the triangles are similar or not. in this case, only one triangle's angle is given. you will have to find the angle of the other one, which will obviously be the same. this is our answer. you can find the angle to check if you're correct or not.

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Six less than twice a number, x, is 38. What is the value of x? 76 16 70 22

uranmaximum [27]

Answer:

Step-by-step explanation:

2x -6 = 38

Add 6 to each side

2x-6+6 = 38+6

2x + 44

Divide each side by 2

2x/2 = 44/2

x = 22

4 0

3 years ago

Consider a group of 1,000 newborn infants. One hundred (100) infants were born with serious birth defects, and 20 of these 100 d

kozerog [31]

Answer:

The prevalence of serious defects in this population at the time of birth is 10%.

Step-by-step explanation:

The prevalence of serious defects is the number of infants that were born with seriours birth defects divided by the total number of infants born.

In this problem, we have that:

There were 1000 newborn infants.

100 infants were born with serious birth defects.

Calculate the prevalence of serious defects in this population at the time of birth.

This is:

$P = \frac{10}{100} = 0.1$

The prevalence of serious defects in this population at the time of birth is 10%.

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3 years ago

Round 235,674 to the nearest thousand. A. 236,000 B. 235,700 C. 235,670 D. 240,000

Misha Larkins [42]

To round 235, 674 to the nearest thousand...
235,674
With the number that's bold,(6) use that and the number 5( next to it.) Since 6 is greater than the numbers 1 through 4, the 6 will move the number 5 up to 6.
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3 years ago

Read 2 more answers

Is the answer to converting repeating decimals to fractions 11/33 or 1/3???

liberstina [14]

Answer: Uhm 1/3?

Step-by-step explanation: Maybe its not the answer i guess 11/3

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3 years ago

Which of the following is a reasonable estimate for the number of centimeters in a kilometer? A. 1 × 10-3 cm B. 1 × 10-5 cm C. 1

AfilCa [17]

Answer: C 1*10^5

Step-by-step explanation:

There are 10^2 cm in a meter, and 10^3 meter in a kilometer, so there are 10^2 * 10^3 = 10^5 cm in a kilometer

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4 years ago