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Vilka [71]
3 years ago
12

Please Helpppppp!!!!!

Mathematics
1 answer:
aivan3 [116]3 years ago
7 0

Answer:

AC^2=AD^2+CD^2= 3^2+3= 12

AC= 2\sqrt{3}

Step-by-step explanation:

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Factor the polynomial.
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It is answer choice A because you have to take the the GCF of each number which is 2x. Then if you were to divide the numbers by 2x you would put those numbers in the brackets. 
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4 years ago
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What is the area of rectangle with length 18cm and width 4cm?
miv72 [106K]
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5 0
3 years ago
The equations -6x + 3y = 6 and x² + y = 10 intersect at the
eimsori [14]

The values of the letters in coordinates (a, b) and (c,d) are;

<u><em>a = -4</em></u>

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<u><em /></u>

We are given two equations;

-6x + 3y = 6  ---(eq 1)

x² + y = 10 ---(eq 2)

  • We are told that they intersect at coordinates; (a, b) and (c, d).

Let us make y the subject in eq 2 to get;

y = 10 - x²  --(eq 3)

  • Let us put 10 - x² into eq 1 to get;

-6x + 3(10 - x²) = 6

expanding further gives;

-6x + 30 - 3x² = 6

rearranging gives;

3x² + 6x - 24 = 0

Using online quadratic equation <em>solver</em>, we have;

x = -4 and x = 2

Putting x = -4 into eq 3 gives;

y = 10 - (-4)²

y = 10 - 16

y = -6

Putting x = 2 into eq 3 gives;

y = 10 - (2)²

y = 10 - 4

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Comparing with (a, b) and (c,d), we have;

a = -4

b = -6

c = 2

d = 6

Read more at; brainly.com/question/15165519

5 0
2 years ago
She learns that the fabric she wants to use is $7.99 per yard. Find the total cost of 4 yards of fabric. Justify your answer by
sattari [20]

Answer:

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Step-by-step explanation: multiply without the decimal, the put it in once multiplied

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then put in the decimal... 31.96

8 0
3 years ago
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Stels [109]
Sorry it's wonky but I hope you get it if you don't I can explain again

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