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3 years ago

Simplify square root 72 minus 3 times square root 12 plus square root of 192.

Mathematics

2 answers:

kap26 [50]3 years ago

8 0

√72 - 3√12 + √192 = 32.8
HOPE THIS HELPS. BRAINLIEST PLEASE

soldier1979 [14.2K]3 years ago

3 0

√72 - 3 × √12 + √192 (Simplified)

First Find The Square Roots:
√72 = 8.48
√12 = 3.46
√192 = 13.85

8.48 - 3 × 3.48 + 3.85 (Also Simplified)

Follow PEMDAS to figure out if you need answer

Good Luck!
Hope This Helps :)

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3 years ago

SAT scores probability 1

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Answer:

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Step-by-step explanation:

The z-score for 400 is ...

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The z-score for 700 is ...

Z = (700 -500)/100 = 2

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3 years ago

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4 0

3 years ago

Find the x- and y-intercepts of the graph of 10x+2y=20 State each answer as an integer or an improper fraction in simplest form.

Deffense [45]

Answer:

Slope: $\frac{10.000}{2.000} = -5.000$
x - intercept: $\frac{10}{5} = 2$ .
y intercept: $\frac{10}{1} = 10.00000$ .

Step-by-step explanation:

Simplify:

Simplify the equation by subtracting what is to the right of the equal sign from both sides of the equation:
10*x+2*y-(20)=0.

Step 1:

Pull out like factors:
10x + 2y - 20 = 2 * (5x + y - 10)

Step 2:

Equations which are never true:
Solve:
2 = 0
This can't be solved.
A non-zero constant never equals 0.
Equation of a straight line:
Solve: 5x+y-10 = 0
"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.
In this formula:

y tells us how far up the line goes
x tells us how far along
m is the Slope or Gradient i.e. how steep the line is
b is the Y-intercept i.e. where the line crosses the Y axis
The X and Y intercepts and the Slope are called the line properties. We shall now graph the line 5x+y-10 = 0 and calculate its properties
Calculate the y-intercept:
Notice that when x = 0 the value of y is 10/1 so this line "cuts" the y axis at y=10.00000
y-intercept = 10/1 = 10.00000

Calculate the x-intercept:

Slope is defined as the change in y divided by the change in x. We note that for x=0, the value of y is 10.000 and for x=2.000, the value of y is -0.000. So, for a change of 2.000 in x (The change in x is sometimes referred to as "RUN") we get a change of -0.000 - 10.000 = -10.000 in y. (The change in y is sometimes referred to as "RISE" and the Slope is m = RISE / RUN)
Slope = -10.000/2.000 = -5.000

Answers:

Slope = -10.000/2.000 = -5.000
x-intercept = 10/5 = 2
y-intercept = 10/1 = 10.00000

5 0

2 years ago