MATHEMATICS
MIDDLE SCHOOL

Answer:

Answer:

y=3.5

Step-by-step explanation:

7y-4.6-6y

4.5=7y+6y

4.5=13y

4.5. 4.5

y=3.5

Answer:

Answer:

y-4.5

Step-by-step explanation:

7y-4.5-6y

7y-6y-4.5

y-4.5

MIDDLE SCHOOL

A

D

Given: _1= _2

If AC = 3, BC =5, and AB= 7, find AD

Answer:

9

Step-by-step explanation:

MIDDLE SCHOOL

What is equivalent to 6/9

If you want to find equivalent fractions to you can multiply the numerator and denominator by the same number. You don't change the value of a fraction if you multiply its top and bottom numbers by the same number because you are just multiplying by 1.

Some equivalent fractions of 6/9 are:

2/3 = 4/6 = 6/9 = 8/12 = 10/15 = 12/18 = 14/21 = 16/24 = 18/27 = 20/30 = 22/33 = 24/36 = 26/39 = 28/42 = 30/45 = 32/48 = 34/51 = 36/54 = 38/57 = 40/60

Some equivalent fractions of 6/9 are:

2/3 = 4/6 = 6/9 = 8/12 = 10/15 = 12/18 = 14/21 = 16/24 = 18/27 = 20/30 = 22/33 = 24/36 = 26/39 = 28/42 = 30/45 = 32/48 = 34/51 = 36/54 = 38/57 = 40/60

MIDDLE SCHOOL

9 11/27 into a decimal? explain work

I think you turn the mixed fraction into an improper fraction then divide the numerator by the denominator

HIGH SCHOOL

A 32-meter antenna mast is stabilized by a 40-meter guy wire. How far from the base of the mast is the guy wire secured to the ground? A) 24

B) 6

C) 16

D) 8

To solve this, use the Pythagorean Theorem.

a^2 + b^2 = c^2 since it forms a right triangle

32^2 + b^2 = 40^2

1024 + b^2 = 1600

b^2 = 576

b = 24

so the correct answer would be A

a^2 + b^2 = c^2 since it forms a right triangle

32^2 + b^2 = 40^2

1024 + b^2 = 1600

b^2 = 576

b = 24

so the correct answer would be A

COLLEGE

Find the inverse laplace

F(s)=11s/ s^2-12s+52

Answer:

Step-by-step explanation:

We can write as follows:

To find:

We will use formulae:

we get solution as :

COLLEGE

Marina drove 288 miles in the same amount of time it took Jaime to drive 312 miles. If Jaime drove 6 miles per hour faster than Marina, at which speeds were Jaime and Marina traveling?

Let X = Marinas speed in MPH

Let T = Time

T=288/X

312=(X+6)T

312=(X+6)(288/X)

312=288X/X+1728/X

312=288+1728/X

312-288=1728/X

24=1728/X

24X=1728

X=1728/24

X=72 MPH FOR MARINA

72+6=78 MPH FOR JAMIE

Answer:

c

Step-by-step explanation:

got it right

HIGH SCHOOL

Describe the location of point (−2, 6, 7) in three-dimensional coordinate space. A: From the origin, move 2 units back, 6 units right, and 7 units up.

B: From the origin, move 2 units back, 6 units left, and 7 units up.

C: From the origin, move 2 units back, 6 units right, and 7 units down.

D: From the origin, move 2 units forward, 6 units right, and 7 units up.

B: From the origin, move 2 units back, 6 units left, and 7 units up.

HIGH SCHOOL

−4x+3y=−2

y=x−1

i need x and y

Answer:

Rewrite equations:

y=x−1;−4x+3y=−2

Step: Solvey=x−1for y:

y=x−1

Step: Substitutex−1foryin−4x+3y=−2:

−4x+3y=−2

−4x+3(x−1)=−2

−x−3=−2(Simplify both sides of the equation)

−x−3+3=−2+3(Add 3 to both sides)

−x=1

−x

−1

=

1

−1

(Divide both sides by -1)

x=−1

Step: Substitute−1forxiny=x−1:

y=x−1

y=−1−1

y=−2(Simplify both sides of the equation)

Answer:

x=−1 and y=−2

HIGH SCHOOL

Which of the following points lies on the circle whose center is at the origin and whose radius is 13? (-5, 12) (, ) (6, -7)

The equation of a circle is defined by (x – h)² + (y – k)² = r² with the center being at (h, k) and with radius r. So for this circle with center at (0, 0) and r = 13 the equation is x² + y² = 169.

Then we plug in the ordered pairs:

(-5, 12)

(-5)² + (12)² = 169

25 + 144 = 169 is true.

The answer is (-5, 12). Hope that helps.

Then we plug in the ordered pairs:

(-5, 12)

(-5)² + (12)² = 169

25 + 144 = 169 is true.

The answer is (-5, 12). Hope that helps.