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Paul [167]
3 years ago
10

Evaluate the expression if x=4 and y=72x(3y-4x)^2

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0
I believe it would be 160000
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Which word phrase can be used to represent the algebraic expression 4(21+n)
m_a_m_a [10]
Four times a number plus twenty one
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3 years ago
Give the equation of the line through the point ( - 10,9) with a slope of -1/5
hichkok12 [17]

Equation of the line in slope-intercept form is y = -1/5 x + 9

Step-by-step explanation:

  • Step 1: Given slope of the line is -1/5 and the point is (-10, 9). Here m=-1/5.

⇒ y = -1/5 x + b  ------ (1)

  • Step 2: Find the y-intercept of the line, b. Since the line passes through (-10, 9) substitute x = -10 and y = 9 in eq(1)

⇒ 9 = -1/5 × -10 + b = 2 + b

⇒ b = 9 - 2 = 7

  • Step 3: Slope intercept form of the line is y = mx + b. Form the equation using the values of m and b.

⇒ y = -1/5 x + 7

It can also be written as 5y + x = 35

7 0
3 years ago
Enter the number that makes the equation true.​
Mrrafil [7]

Answer:

26

Step-by-step explanation:

if you convert 0.26 into a fraction you get 26/100 so the answer is 26.

4 0
3 years ago
Read 2 more answers
A cubical water tank is 80 cm broad. find the volume of tank?​
Tatiana [17]

Answer:

512000

Step-by-step explanation:

l=80cm

v=l^3

=80^3

=512000cm^3

7 0
3 years ago
A 16 foot ladder rests against the side of a house and the base of the ladder is 4 feet away. How high above the ground is the t
PtichkaEL [24]

Answer:

  15.5 ft

Step-by-step explanation:

The geometry of the problem can be modeled by a right triangle with hypotenuse 16 ft and one side length of 4 ft. If x represents the height of the ladder on the building, then the Pythagorean theorem tells us ...

  x^2 + (4 ft)^2 = (16 ft)^2

  x^2 = 240 ft^2 . . . . . . subtract 16 ft^2

  x ≈ 15.5 ft . . . . . . . . . . take the square root

The top of the ladder is about 15.5 ft above the ground.

8 0
3 years ago
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