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IRINA_888 [86]
3 years ago
12

7 What is the value of the expression -3x^2 y +4x when x = -4 and y = 2

Mathematics
1 answer:
love history [14]3 years ago
7 0
<span> -3x^2 y +4x 
</span><span> =-3(-4)^2 (2) + 4(-4)
=-96-16
=-112</span>
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What’s the value of X ? PLS HELP )):
motikmotik

Answer:

By angle sum property,

56 + 92 = 148

180 - 148 = 32

linear pair

so ,  180 - 32

= 148

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6 0
3 years ago
Let Pk denote the vector space of all polynomials with degree less than or equal to k. Define a linear transformation T : P4 ! P
shusha [124]

Answer:

Step-by-step explanation:

T(1)=1=0*x^3 0*x^2 0*x 1*1 T(x)=x-1=0*x^3 0*x^2 1*x (-1)*1 T(x^2)=2x^2-6x 6=0*x^3 2*x^2 (-6)*x 6 T(x^3)=6x^3-48*x^2 141*x-141 T(x^4)=24*x^3-204*x^2 628*x-604*1 collect the coefficient matrix and take its transpose

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6 0
3 years ago
Margaret asked her classmates how many pets they own. The responses are recorded in the table.
ad-work [718]
16/23 would be the answer
5 0
2 years ago
What is the surface area in yards squared of the triangular prism shown below?
hichkok12 [17]

Answer:

1,120 yd²

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Base area (BA) = ½*8*15 = 60 yd²

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7 0
3 years ago
What does a residual value of 4. 5 mean in reference to the line of best fit? The data point is 4. 5 units above the line of bes
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A line of best fit is a line drawn at average distance to a series of scattered points. Thus, the correct option is:

Option B. The <em>data</em> point is 4. 5 units <u>below</u> the line of best fit.

A graph is said to be formed by plotted points on a <u>Cartesian </u>coordinate plane. When the plotted <em>points</em> are <u>scattered</u>, a <em>line of best fit</em> is required to shoe the relationship among the plotted <em>points</em>.

A <u>residual</u> <u>value</u> is a form of error that is determined from the <em>line of best fit</em>. A <u>line of best fit</u> is a line drawn at <em>average</em> point to a <em>series</em> of plotted <em>scattered</em> points.

Therefore, a residual value of 4.5 with respect to a <em>line of best fit</em> implies that: The data point is 4. 5 units <u>below</u> the <em>line of best fit</em>.

Thus the <em>correct</em> option is B.

Visit: brainly.com/question/1453263

4 0
2 years ago
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