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lbvjy [14]
2 years ago
14

Identify the restrictions on the variable ​

Mathematics
1 answer:
34kurt2 years ago
8 0

Answer:

x ≠ -4

Step-by-step explanation:

Division by zero is not defined, so x cannot = -4.

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Complete the inequality statement <br><br> 7/10 ___ 11/20 <br><br> &gt; &lt; =
densk [106]
To start, give each fraction a common denominator by multiplying the 7/10 by two to get 14/20, an equivalent but not simplified fraction. now compare 14/20 and 11/20. 14/20 is greater than 11/20, so 7/10 > 11/20.
7 0
3 years ago
Scale factor for a model is 15cm. Actual =55.5m. model. =25.25. What is the meter
Rasek [7]
We calculate for the actual length of the thing in the model that measures 25.25 by multiplying this value by the scale factor. That is,
                             (25.25 cm) x (55.5 m / 15 cm) = 93.425 m
Therefore, the real dimension of the object is approximately 93.43 m. 
3 0
3 years ago
Question 5
Mice21 [21]

Answer:

The missing value is 2

Step-by-step explanation:

A direct variation satisfies the equation y=kx.

Since the point (-18, 12) lies on this line, it must satisfy this equation.

\implies 12=-18k

k=-\frac{12}{18} =-\frac{2}{3}

Hence the equation of this line is y=-\frac{2}{3}x

Now we substitute x=-3 to find y.

y=-\frac{2}{3}*-3=2

Therefore the missing value is 2

4 0
3 years ago
5. When I sine an angle like 60°, it gives me a value like 0.866025403. What does this number represent?
PolarNik [594]

Answer:

See below

Step-by-step explanation:

The number you described is the same as sin(60^{\circ})=\frac{\sqrt{3}}{2} where the sine of an angle is the ratio between a right triangle's opposite side to the angle and the hypotenuse. So, in this case, if we had a right triangle with a height of \sqrt{3} units and a hypotenuse of 2 units, the ratio between the two sides will result in the value you provided. This right triangle in particular would be a 30-60-90 triangle.

In the case of a unit circle, it’s the y-coordinate of the point where a 60° angle in the standard position intersects a unit circle and a right triangle is created from that.

5 0
2 years ago
PLSSS HELP it’s half my grade
Marina86 [1]

The units are always squared.

The area can be found when given the diameter by first finding the radius.

Circumference can be used to find area.

4 0
2 years ago
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