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4 years ago

10 squared divided by 2c -b + 3a A = 1/3 B= 9 C = 5

Mathematics

1 answer:

Svet_ta [14]4 years ago

8 0

Answer:

Step-by-step explanation:

Figure out all variables

100/(2x5= 10)-9+(3x.33=1)

100/10-9+1

100/2

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Jose has $45 to spend at the mall. He buys a toy for $18.63, two candy bars at $0.47 EACH, and a shirt for $12.64 (All prices in

GREYUIT [131]

Answer:

$12.79

Step-by-step explanation:

$45 - $18.63 = $26.37

$26.37 - ($.47 x 2) = $26.37 - $.94 = $25.43

$25.43 - $12.64 = $12.79

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3 years ago

Which quadratic regression equation best fits the data set?

charle [14.2K]

The third equation is correct. The easiest way to solve a problem like this is to plug the x-values from the chart into the equations and see which one equals the y-value in the chart.

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3 years ago

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Given h ( x ) = − 3 x + 2 , solve for x when h ( x ) = − 4.

Helga [31]

Answer:

2 is the answers for the question

Step-by-step explanation:

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2 years ago

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What type of triangle has side lengths 9, 10, and √130? A. obtuse B. not a triangle C. acute D. right

EastWind [94]

Answer: Option C.

Step-by-step explanation:

The lengths of our triangle are:

9, 10 and √130.

If the triangle is a triangle rectangle, by the Pitagoream's theorem we have:

A^2 + B^2 = H^2

in this case H is the larger side, this must be √130.

then:

A and B must be 9 and 10.

9^2 + 10^2 = (√130)^2

81 + 100 = 130

This is false, so this is NOT a triangle rectangle, the hypotenuse is shorter than it should be.

Now, we have some kind of rule:

if A^2 + B^2 = H^2 then we have one angle of 90° and two smaller ones. (triangle rectangle)

if A^2 + B^2 > H^2 then all the angles are smaller than 90°, this is an acute triangle.

if A^2 + B^2 < H^2 then we have one angle larger than 90°, this is an obtuse angle.

(H is always the larger side, A and B are the two shorter ones).

In this case:

81 + 100 > 130

Then this must be an acute angle.

3 0

3 years ago

(Look at the pic) what is FC?

Hitman42 [59]

The element on the position (1,1) in the product matrix FC is a scalar product of the first row in F and the first column in C.

Therefore the element in the position (1,1) in FC will be a scalar product of (-2,0) and (12,1):

$-2\cdot 12+0\cdot 1 = -24+0=-24$

The only matrix that has a value of -24 in the position (1,1) is matrix B.

Therefore, the answer is matrix B.

4 0

3 years ago