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3 years ago

A horse weight is 700lb and needs medication that is 10mg per 100kg what is the horses weight in kg?

Mathematics

1 answer:

wel3 years ago

7 0

Answer:

315 kg

Step-by-step explanation:

to find the weight of the horse:

1lb = 0.45 kg (rounded the .45)

(700lb) x (0.45)= 315

to find how much medicine they need:

315/10= 31.5

the horse wieghs 315kg meaning that they would need 31.5mg of medication.

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in a metal alloy, the ratio of zinc to copper is 3 to 17. If there are 510 lb of copper, how much zinc is there?

Andreyy89

Answer:

Step-by-step explanation:

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3 years ago

What is the exact length of AB?<br> 4 m<br> 8 mm<br> m<br> 2 TT m

dalvyx [7]

Answer:

The answer is

$\pi$

if I am not wrong

Step-by-step explanation:

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3 years ago

Find all solutions of the equation algebraically. Use a graphing utility to verify the solutions graphically. (Enter your answer

Anuta_ua [19.1K]

Answer:

The solutions of the equation are 0 and 0.75.

Step-by-step explanation:

Given : Equation $16x^4 - 24x^3 +9x^2 =0$

To find : All solutions of the equation algebraically. Use a graphing utility to verify the solutions graphically ?

Solution :

Equation $16x^4 - 24x^3 +9x^2 =0$

$x^2(16x^2-24x+9)=0$

Either $x^2=0$ or $16x^2-24x+9=0$

When $x^2=0$

$x=0$

When $16x^2-24x+9=0$

Solve by quadratic formula, $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\frac{-(-24)\pm\sqrt{(-24)^2-4(16)(9)}}{2(16)}$

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$x=\frac{24}{32}$

$x=\frac{3}{4}$

$x=0.75$

The solutions of the equation are 0 and 0.75.

For verification,

In the graph where the curve cut x-axis is the solution of the equation.

Refer the attached figure below.

7 0

3 years ago

) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white keys? Suggestion: use equivale

andriy [413]

Answer:

Step-by-step explanation:

Here we see 5 black keys for every 7 white keys.

So the ratio is 5:7

If we need 49 white keys, find the amount we scale the original ratio by:

49/7 = 7

So we are scaling by a factor of 7.

The number of black keys would be 5 * the scale of 7. = 35

So there should be 35 black keys.

5 0

3 years ago

Read 2 more answers

Is the following number rational or irrational?

mariarad [96]

Answer:

it is rational cause it can be turned into a fraction 0.7= 7/10

7 0

3 years ago