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3 years ago

Jamie has a square mirror with side lengths of 6 inches.

Mathematics

2 answers:

Sophie [7]3 years ago

8 0

Are we supposed to find the area? If so, It's 36 because 6 times 6 equals 36 :p Hope I helped.

Sidana [21]3 years ago

8 0

Area is just L•W
Since all the sides are the same just multiply 6•6.
If you are looking for perimeter just add all 4 side lengths up: L+L+W+W
6+6+6+6.

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87 ÷ 17 + [672 - 83] another one

never [62]

Answer:

594.1

Step-by-step explanation:

87÷15=5.1

672-83=589

so then you add those to together and get 594.1

3 0

3 years ago

40 pounds of cashews costing $9.20 per pound were mixed with 100 1b of peanuts costing $3.32 per pound. Find the cost of the res

TEA [102]

It cost 12.52 cents all together

7 0

3 years ago

9/20

Stella [2.4K]

Question:

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

Answer:

The number of real solutions for the equation $x^{2}+5 x+7=0$ is zero

Solution:

For a Quadratic Equation of form : $a x^{2}+b x+c=0$ ---- eqn 1

The solution is $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Now , the given Quadratic Equation is $x^{2}+5 x+7=0$ ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ , $b^2 - 4ac$ is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

$D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3$

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0

3 years ago

Evaluate. 9.75 + 4.625 + (-9.75) + 2.6=?

marusya05 [52]

The answer would be 7.225.

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3 years ago

Read 2 more answers

Find the slope of (6,2) (8,4)

denis23 [38]

Answer:

2/2 = 1

Step-by-step explanation:

y2 - y1 4 - 2 2 Equals 1

x2 - x1 8 - 6 2

4 0

3 years ago