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3 years ago

Solve the quadratic equation by graphing: (2 – 7) + 2 = 38 CHOOSE ALL THAT APPLY

Mathematics

1 answer:

RoseWind [281]3 years ago

6 0

The solution is the x-value of the point of intersection.

x ≈ 1 ,1 3

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3 years ago

Determine the axis of symmetry <br> F(x)= -2(x+2)^2-9

kap26 [50]

The axis of symmetry is -2

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3 years ago

At a grocery store, Mary bought five cans of corn and paid $1.50. Larry bought 8 cans of corn and paid $2.40. What is the consta

mina [271]

Answer:

each can costs 30 cents

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find the value of x.

Blababa [14]

Answer:

Step-by-step explanation:

each angle measurement has to equal 180°

3 0

3 years ago

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What is the area of a triangle with vertices at (-4,1), (-7,5) and (0,1)

Arlecino [84]

Answer:

62.1467 square units (correct to four decimal places)

Step-by-step explanation:

Let's say the triangle is;

A(-7,5)

B(-4,1)

C(0,1)

Let's say also that AB = a , BC = b and AC = c

By measurement BC = 4 units , AB = 5 units (applying Pythagorean theorem) and AC = 8.1 units (correct to one decimal place) also through Pythagorean theorem.

Area of this triangle = $\sqrt{p(p-a)(p-b)(p-c)}$ , where p is half the perimeter of the triangle

p = $\frac{1}{2}(4 + 8 + 8.1) = 8.55$ units

Area = $\sqrt{8.55(8.55-5)(8.55-4)(8.55-8.1)}$ = 62.1467 square units (correct to four decimal places)

4 0

3 years ago