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3 years ago

Help me plzzzzzzzzxx

Mathematics

2 answers:

Umnica [9.8K]3 years ago

6 0

Answer:

34.25

Step-by-step explanation:

PtichkaEL [24]3 years ago

3 0

Answer:4.5 + 19.75 = 24.25

Step-by-step explanation:

Plug in 5 at the bottom fpr the answer because we know we don't have to add anything else to that. Now move to 7 and blank. Since its addition we knkw we have to make it to were we carry a number since we can't get 2 any other way. So 7+5 equals 12 so carry your one over. 9+4+1 equals 14 and then from there you carry the one over again. Since you know you already have one therw and you are trying to get two that blank space will be a one as well since 1+1 equals 2.

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The area of a 25 inch TV screen is 300 in.². The area of a 40 inch TV screen is 768 in.². The area of the smaller screen is what

Rina8888 [55]

Answer:

39.0625%

Step-by-step explanation:

The area of a 25 inc TV screen is 300in²

The area of a 40 inch TV screen is 768in²

Percentage of area of the smaller screen to larger screen is;

300/768 × 100 = 39.0625%

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4 years ago

If the slopes of two lines are negative reciprocal the lines are perpendicular true or false

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The answer would be true.

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3 years ago

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what is 6 x 3/5.................................................................................................................

Goshia [24]

Answer

3.6

Step-by-step explanation:

3/5 is equal to .6 so multiply 6x.6

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3 years ago

In a solar system, two comets pass near the sun, which is located at the origin. Comet E is modeled by quantity y plus 16 end qu

Leya [2.2K]

Explanation:

The equation of comet E is given below as

$\frac{(y+16)^2}{400}+\frac{x^2}{144}=1$

The equation of comet H is modelled below as

$\frac{(y+13)^2}{144}-\frac{x^2}{25}=1$

Given, that the Sun is located at the origin.

This is an equation of an ellipse. So, the path traveled by Comet e is an elliptic path.

Comparing with the Standard equation of ellipse: below,we will have

$\frac{(y-k)^2}{b^2}+\frac{(x-h)^2}{a^2}$

Whise center is

$\begin{gathered} center=(h,k) \\ vertices=(h\pm a,0) \end{gathered}$

By comparing coefficient, we will have

$\begin{gathered} a^2=144 \\ a=12 \\ b^2=400 \\ b=20 \\ k=-16 \\ h=0 \\ (h,k)=(0,-16) \end{gathered}$

Hence,

The vertex of comet E will be

$\begin{gathered} (h\pm a,0) \\ (0+12,0),(0-12,0) \\ (12,0),(-12,0) \end{gathered}$

The vertex of comet E is

$(12,0),(-12,0)$

Part C:

It is the foci forboth comets

$\begin{gathered} cometE: \\ c=\sqrt{b^2-a^2} \\ c=\sqrt{400-144} \\ c=\sqrt{256} \\ c=16 \\ \\ For\text{ comet F:} \\ c=\sqrt{a^2-b^2} \\ c=\sqrt{144+25} \\ c=\sqrt{169} \\ c=13 \end{gathered}$

Hence,

The foci will be

$\begin{gathered} (16\pm16,0) \\ cometE \\ (0,0),(32,0) \\ cometF: \\ (13\pm13,0) \\ (0,0),(26,0) \end{gathered}$

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1 year ago

Whenever you sign a lease for an apartment, you typically have to pay a security deposit before you even move in; this is in cas

IgorLugansk [536]

Whenever you sign a lease for an apartment, you typically have to pay a security deposit before you even move in; this is in case something happens while you care occupying the apartment and repairs have to be made. This can be represented in an equation where the total payment is equal to monthly rent plus security deposit. So

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4 years ago

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Help me plzzzzzzzzxx​

Help me plzzzzzzzzxx