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Lera25 [3.4K]
3 years ago
5

HELP ASAP ILL GIVE A THANKS AND CROWN U BRANLIEST

Mathematics
2 answers:
Marina86 [1]3 years ago
7 0

Answer:

I think it's the second one

Step-by-step explanation:

Zarrin [17]3 years ago
4 0

Answer:

I'm thinking the answer is the second one. –a ≤ –12 or a > –5

Step-by-step explanation:

Well for –a ≤ –12, the symbol means less than or equal to so that is why -12 has a dot on it. For a > –5, it makes sense because -5 does not have a dot which means it is greater than 5 but not equal to 5.

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The figures are similar. Give the ratio of the perimeters and the ratio of the areas of the first figure to the second.
pickupchik [31]

Answer: first option.

Step-by-step explanation:

The ratio of the area of the triangles can be calculated as following:

ratio_{(area)}=(\frac{l_1}{l_2})^2

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(area)}=(\frac{28}{32})^2=\frac{49}{64}

It can be written as following:

ratio_{(area)}=49:64

The ratio of the perimeter is:

ratio_{(perimeter)}=\frac{l_1}{l_2}

Where l_1 is the lenght of the given side of the smaller triangle and l_2 is the lenght of the given side of the larger triangle.

Therefore:

ratio_{(perimeter)}=\frac{28}{32}=\frac{7}{8}

It can be written as following:

ratio_{(perimeter)}=7:8

5 0
3 years ago
Select whether the number is rational, irrational, or imaginary. 1/4
rjkz [21]
Because 1/4 is a fractional number, it is also a ratio which means it is Rational. :)
7 0
3 years ago
Read 2 more answers
Find the volume of a cube whose surface area is 150Ft
bagirrra123 [75]
150x4 is 600 volume for the answer
4 0
3 years ago
Use the discriminant to find what type of solutions the equation has,<br> 3x^2+ 7x = 7
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3 0
2 years ago
Are shape I and shape II similar? If so, give the dilation that proves they are similar. If not, explain why the shapes are not
e-lub [12.9K]

Answer:

The answer is "They are similar".

Step-by-step explanation:

They were comparable in this respect because both aspect ratios of the top triangle are one square more. The top triangle is equal to the base triangles if you remove one square away from the height and width.

Otherwise, we can say that it forms all different. The dilation factor which translates that bottom left point of shape I to form II is 2. But this does not map the other shape I vertices onto form II. There's, therefore, no dilation in form I of maps on form II.

5 0
3 years ago
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