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lapo4ka [179]
4 years ago
7

Are these triangles similar?

Mathematics
1 answer:
sergeinik [125]4 years ago
3 0

Answer:

Yes, by AA~

Step-by-step explanation:

You can tell by the two angles with a measure of 77.1 degrees.

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A square has vertices at the points A(-4,-4), B(-5,-4), C(-5,-3), and D(-4,-3). What is the area of this square? A. 1 square uni
laiz [17]

Answer:

Step-by-step explanation:

The length of AB = 1 unit.

area of square = 1² unit² = 1 square unit.

8 0
3 years ago
Parabolas y=−2x^2 and y=2x^2 +k intersect at points A and B that are in the third and the fourth quadrants respectively. Find k
OverLord2011 [107]

Answer:

-25  

Step-by-step explanation:

(1)   y = -2x²

(2) y =   2x² + k     Subtract (1) from (2)

    0 =  4x² + k      Subtract 4x² from each side

    k = -4x²

The parabolas are <em>symmetrical about the y-axis.</em>

Segment AB = 5, so x = +2.5 and x = +2.5.

k = -4(±2.5)² = -4 × 6.25 = -25

8 0
3 years ago
Factorize: (a+b)^2 + 4 (a+b)+ 4
pashok25 [27]
Factorized: (a + b + 2) ^2
3 0
3 years ago
Molly works for a meat producer, and she needs to determine whether containers of ground beef have the correct fat content. She
Ghella [55]

Answer:

The correct answer is option (E)

Step-by-step explanation:

Solution to the question

Let us recall from given question that,

H0:p=0.80

Ha:p≠0.80 (which is the two tailed test)

For the p-value we have,

P-value: Let us assume that the null hypothesis is true, then the probability of observing the sample statistics or the  more extreme,

Therefore if p= 0.80, the probability of observing or detecting proportion of samples is of at least 0.84 or at most 0.76 is 0.273.

8 0
3 years ago
The volume V of a prism with base area B and height h is V=Bh. Solve the formula for h. Then use both formulas to find the heigh
IgorC [24]
The height is 5. 

Since V=Base*height, I just divided the volume by the base.

175/35
=5

So the height would be 5. You can check to see if it's true by multiplying 35*5, which gives you 175.
5 0
4 years ago
Read 2 more answers
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