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4 years ago

Choose the graph that correctly corresponds to the equation x = −4.

Mathematics

1 answer:

Sidana [21]4 years ago

8 0

Answer:

Option D is true. ( graph of a vertical line through the point (negative 4,0)

Step-by-step explanation:

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A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

frutty [35]

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

$58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}$

In a right angled triangle

$\cos \theta=\frac{adjacent}{hypotenuse}$

$\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}$

$0.525=\frac{40}{hypotenuse}$

$hypotenuse=\frac{40}{0.525}$

$hypotenuse=76.190$

Therefore the length of the wire is 76.19 m.

3 0

3 years ago

The answer I put is wrong. SO don't put that as a answer. NEED TO EXPLAIN VERY IMPORTANT

n200080 [17]

Answer:

Step-by-step explanation:

OK 250 divided by 40 equals 6.25 so she would need 6 bags at least, i would say its your answer but you said its wrong so

5 0

3 years ago

Read 2 more answers

26 = w - 12 show me how you got this answer

Svet_ta [14]

26=w-12
+12 +12
38=w
That is your answer

7 0

3 years ago

Read 2 more answers

During an experiment, 456g of carbon dioxide is produced. What is the mass of carbon dioxide in kg?

34kurt

Answer:

0.456

Step-by-step explanation:

divide the mass by 1000

6 0

3 years ago

WRITE THE FUNCTION RULE FOR F(X)=-6;X-AXIS

frutty [35]

Answer:

-6 is Y

Step-by-step explanation:

When ever the number is outside of the f(x) it is = y.

5 0

3 years ago