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ikadub [295]
3 years ago
6

The vertices of a triangle are A(-1,4), B(4, 5),

Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

sim tem final sim amigo se eu erra mi disputa por favor

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What is the product of (4x+3)(-2x-5)
yuradex [85]
Use the FOIL method

First 4x × -2x = -8x^2
Outside 4x × -5 = -20x
Inside 3 × -2x = -6x
Last 3 × -5 = -15

-8x^2 - 20x - 6x -15 =

Combine like terms

-8x^2 -26x -15
8 0
4 years ago
Read 2 more answers
Someone plz help me with all of them
sukhopar [10]
15. They are still 6 blocks away from each other.
16. (-6,1) art and (-6,-2) animal.  They are the same distance from each other as before because they moved together the same distance right to left across the coordinate plane.
17. The new location is (3,2).  It is 8 blocks away from the old.

18. 
A. I have attached the graph.
B. A triangle
C. A= \frac{a*b}{2} = \frac{4*4}{2} = \frac{16}{2} =8 m^{2}

Hope that helps

3 0
3 years ago
A cube has a side length A. The side lengths ate decreased by 20%. Write an expression in simplest form.
vazorg [7]
The answer is: A-(20%)A
5 0
3 years ago
Read 2 more answers
20 points please help.
astraxan [27]

Answer:
The student's score closest to 91 percentile.

Step-by-step explanation:

Since the scores on the standardized test are approximately normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = test scores.

µ = mean score

σ = standard deviation

From the information given,

µ = 480

σ = 90

If a student has a score of 600, then x = 600

For x = 600,

z = (600 - 480)/90 = 1.33

Looking at the normal distribution table, the probability corresponding to the z score is 0.91

the student's score closest to 91 percentile.

7 0
3 years ago
Calculate δe, if q= 0.769 kj and w= -860 j .
Andreyy89
<span>Best Answer: 1) Q is positive therefore the process is endothermic. .769kj+-.810kj=-.041kj 2) Heat is released meaning it is exothermic. -66.9kj+45=-21.9kj 3) 7.29kj. Endothermic.</span>
7 0
3 years ago
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