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3 years ago

Tom bought a soft drink for $4.00 and 7 candy bars. He spent a total of $18.00. How

Mathematics

1 answer:

olga2289 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

$18-$4=$14

$14/7=$2

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Find the equation, in point-slope form, of the line that passes -3 and passes through the point (1,2). plz show your work.

Maslowich

Substitute the given values for the parameters in the point-slope form of the equation of a line. That form is
y - k = m(x - h)
for point (h, k) and slope m.

You have (h, k) = (1, 2) and m=-3, so your equation is
y - 2 = -3(x - 1)

4 0

3 years ago

A test has five questions. To pass the test, at least three of the questions must be answered correctly. question ----> Find

torisob [31]

Answer:

1/5

Step-by-step explanation:

Total Question no. 5

Three must be answer correctly so 3/5 to pass

and 2/5 to fail

So 1/5 because to pass the test he can answer it correctly only one time

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3 years ago

How to solve using quadratic equations 4x^2+7x-20=0

MrMuchimi

Answer:

Step-by-step explanation:

Y = Ax2 Bx C

Enter coefficients here >>> 4 7 -20

Standard Form: y = 4x²+7x-20

1.75 0.875 0.765625 3.0625 -23.0625

Grouped Form: No valid Grouping

Graphing Form: y = 4(x+0.88)²-23.06

Factored Form: PRIME

Solution/X-Intercepts: -3.28 AND 1.53

Discriminate =369 is positive, two real solutions

VERTEX: (-0.88,-23.06) Directrix: Y=-23.13

7 0

3 years ago

Are the triangles similar? Justify your answer.

bazaltina [42]

Compare the ratio of the sides.
KM/LK=CK/BK
(107+25)/88=25/16
132/88=25/16
1.5=1.5625
The ratio is not equal (one ratio is slightly bigger than the other), so the triangles aren't similar.

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3 years ago

Which of the following equations is quadratic?

djverab [1.8K]

Answer:

The quadratic equation is (x + 3)(x + 4) = 5

Step-by-step explanation:

If the degree of a polynomial is two then the polynomial is known as a quadratic.

Now, in the given equations we see which polynomial has a degree 2.

Simplify the first equation

$x(x^2+1)=0\\x^3+x=0$