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Maksim231197 [3]
3 years ago
11

Please help!!!!! Brainiest 20 points!!!!

Mathematics
1 answer:
Rus_ich [418]3 years ago
6 0

Answer:

40

Step-by-step explanation:

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Is 12.8 greater than 12.815?
Arturiano [62]

Answer:

No,

12.8 = 12.800

Obviously, 12.800 <u>< </u>12.815.

\infty  \infty

4 0
2 years ago
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Which pairs of quadrilaterals can be shown to be congruent using rigid motions?
Misha Larkins [42]

Answer:

1 and 2 are not congruent; 1 and 3 are congruent; 1 and 4 are congruent; 2 and 3 are not congruent; 2 and 4 are not congruent; 3 and 4 are congruent.

Step-by-step explanation:

From the diagram, we can see that the angle measures and side measures of figures 1, 3 and 4 are the same.  This means that these three figures are congruent.  Figure 2, however, is not congruent to any of the other 3.

5 0
3 years ago
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Which equation represents y = −x2 + 6x + 7 in vertex form? y = −(x + 3)2 + 4 y = −(x − 3)2 + 10 y = −(x + 3)2 + 2 y = −(x − 3)2
Colt1911 [192]

\text{The vertex form:}\ y=a(x-h)^2+k\\\\f(x)=ax^2+bx+c\to h=\dfrac{-b}{2a},\ k=f(h)\\\\\text{We have}\ y=-x^2+6x+7\to f(x)=-x^2+6x+7\\\\a=-1,\ b=6,\ c=7\\\\h=\dfrac{-6}{2(-1)}=\dfrac{-6}{-2}=3\\\\k=f(3)=-3^2+6(3)+7=-9+18+7=16\\\\Answer:\ \boxed{y=-(x-3)^2+16}

8 0
3 years ago
Is this 1/3 7/21 a proportion
Brut [27]
Yes they are proportionate
3 0
3 years ago
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How would I solve this question?
morpeh [17]
The equasion is y= -1x=6 because it's subtractio one each time and the 0 figure is 6.
6 0
3 years ago
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