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Aleonysh [2.5K]
3 years ago
13

I NEED HELP AS ASAP 4 THE FIRST AND SECOND ONE !!!!

Mathematics
1 answer:
irga5000 [103]3 years ago
8 0
Explaination: when graphing a relation, the set of second elements will be the y-values of the graph.
Range: [-4,-3,-2,0,3,5]
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If the exchange rate when converting US Dollars to ZA rands is $1=R17
NikAS [45]

Answer:

200 US DOLLARS

Step-by-step explanation:

Given; $1=R17

To find: How much is Zar3400 in US DOLLARS

$1=R17

R3400=3400/17 US DOLLARS

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Hope my answer is right thank you.

5 0
1 year ago
the legs of a right triangle are 4 units and 7 units. What is the length of the hypotenuse? Select one: a. square root 33 units
Mrac [35]

\bf \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2} \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ c=\sqrt{4^2+7^2}\implies c=\sqrt{65}

4 0
3 years ago
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PLEASE HELP!! URGENT!! i will mark brainliest if its right!! In the figure below, ∠DEC ≅ ∠DCE, ∠B ≅ ∠F, and DF ≅ BD. Point C is
zvonat [6]

Answer:

See below.

Step-by-step explanation:

This is how you prove it.

<B and <F are given as congruent.

This is 1 pair of congruent angles for triangles ABC and GFE.

<DEC and <DCE are given as congruent.

Using vertical angles and substitution of transitivity of congruence of angles, show that angles ACB and GEF are congruent.

This is 1 pair of congruent angles for triangles ABC and GFE.

Now you need another side to do either AAS or ASA.

Look at triangle DCE. Using the fact that angles DEC and DCE are congruent, opposite sides are congruent, so segments DC and DE are congruent. You are told segments DF and BD are congruent. Using segment addition postulate and substitution, show that segments CB and EF are congruent.

Now you have 1 pair of included sides congruent ABC and GFE.

Now using ASA, you prove triangles ABC and GFE congruent.

7 0
3 years ago
Someone PLZ PLZ PLZ! Solve this
Firdavs [7]

Answer: x = -3, y = 2, z = 4

Step-by-step explanation:

6 0
3 years ago
Lungimea unei gradini de 78 m iar perimetrul este de 256 m.Afla latimea gradinii
Yuri [45]
Trebuie sa postezi la pagina care e in romineste
L= 78 si P=256
P=2L+2W                 w e width(latime)
256=2*78+2w
256=156+2w
256-156=2 w
100=2w
w=50
8 0
3 years ago
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