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anzhelika [568]
3 years ago
13

Which statements are true for the given quadrilaterals?

Mathematics
1 answer:
notka56 [123]3 years ago
6 0
A rectangle is considered a special case of a parallelogram because: Aparallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides. Arectangle is a quadrilateral with 2 pairs of opposite, equal and parallel sides BUT ALSO forms right angles between adjacent sides.
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During his lunch hour, Matt asked 24 students how many after-school activities they participated in. This list shows
denis-greek [22]

As you can see, 4 of the 24 students don't partecipate in any activity. This clearly implies a ratio of 4:24, or 1:6.

We could infer that this ratio holds for the whole school, or even for all the boys and girls of that age.

That's the point of surveys and inferring: you gather data about a relatively small group, and then assume that the proportions you have are valid for a much larger group.

That's why it is important that the group that you survey is balanced and unbiased.

6 0
3 years ago
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. (5 points)
lara31 [8.8K]
F(x)=(x-8)/(x+7). g(x)=(-7x-8)/(x-1). Plug in g(x) into f(x), f(g(x))=[(-7x-8)/(x-1)-8]/[-7x-8)/(x-1)+7], which can be simplified as (-7x-8-8x+8)/(-7x-8+7x-7)=-15x/-15=x. Plug in f(x) into g(x), g(f(x))=[-7*(x-8)/(x+7)-8]/[(x-8)/(x+7)-1]=(-7x+56-8x-56)/(x-8-x-7)=-15x/-15=x, as desired.
5 0
3 years ago
I don’t understand this please help
zalisa [80]

Answer:

Step-by-step explanation:

I would love to answer you but there are no questions.

7 0
3 years ago
Solve the inequality for u. 55 > 4u + 15 Simplify your answer as much as possible.​
valentinak56 [21]

Step-by-step explanation:

55 > 4u + 15

40 > 4u

10 > u

so, this is true for all u < 10

4 0
3 years ago
Hey can I have some help with this? Tysm.
kenny6666 [7]

Answer:

0.15 years or 1.8 months

Step-by-step explanation:

I=PRT

I = interest

P = principal

R = rate

T = Time in years

Therefore,

2302.80 = 2020 × 7.6 × T

Solve for that.

T = 0.15

0.15 years = 1.8 months

7 0
3 years ago
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