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klemol [59]
3 years ago
8

Chose all the correct answers.

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0
Scalene I believe. Hope this helps!
Scrat [10]3 years ago
5 0
Obtuse is the answer please mark as brainliest.
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If a researcher needs a sample that is representative of the population they are studying, they could utilize a _______.
vova2212 [387]

The researchers could utilize a probability sample.

Meaning of a Probability Sample

Every member of a population must have an equal chance of being chosen for a study in order for a sample to be considered a probability sample, and the researcher must be aware of this likelihood. The most typical type of sampling used in public opinion research, election polling, and other studies whose findings will be generalized to a larger population is probability sampling in which probability samples are made use of.

Probability Sample as the Representative of Population Sample

Here, a sample that qualifies for a representative of the population the researchers are studying, must consist of members having equal chances to be chosen for the study. Thus, a probability sample is the best representative of their study population.

Learn more about probability sample here:

brainly.com/question/28016369

#SPJ4

8 0
2 years ago
0.1x+0.2y=-1;0.5x-0.9y=6.4
Harman [31]
.1x+.2y=-1
.5x-.9y=6.4

×-5 equation .1x+.2y=-1

-.5x-y=5
.5x-.9y=6.4

solve by elimination

-1.9y=11.4
÷-1.9 both sides
y=-6

solve for X

.1x+.2 (-6)=-1
.1x-1.2=-1
+1.2 both sides
.1x=.2
÷ 1 both sides
x=2

plug into 2nd equation to see if it's true

x=2
y=-6

0.5(2)-0.9(-6)=6.4
1+5.4=6.4
6.4=6.4 answers hold true
4 0
3 years ago
PLZ HELP! Oliver is 8 feet above the surface of the water. There is a school of fish 10 feet below the surface. A ledge with som
qwelly [4]

Answer:

26 feet, Oliver will have to travel 26 feet deep.

Step-by-step explanation:

8 feet added to 18 feet will be your answer.

8 0
3 years ago
Express as a trinomial (x-10)(x+2)
Norma-Jean [14]
(x-10)(x+2)

x^2-10x-20
6 0
3 years ago
Which of these best describes the hypotenuse-angle theorem?
Amiraneli [1.4K]
The hypotenuse angle theorem<span> basically states that if the hypotenuse and an acute angle of one right triangle</span><span> are congruent to the </span>hypotenuse<span> and an acute </span>angle<span> of another right triangle, then the two triangles are congruent.

So I would say D is correct</span>
5 0
2 years ago
Read 2 more answers
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