Okay this is the other word doc pls someone help!!!!

Mathematics

1 answer:

kenny6666 [7]3 years ago

8 0

Step-by-step explanation:

X = adding by 6 and Y you add my 1

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What would this be ? I got something different

ELEN [110]

Answer:

n = 24

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

$\frac{XZ}{PR}$ = $\frac{XY}{PQ}$ = $\frac{YZ}{QR}$

hence

$\frac{30}{n}$ = $\frac{35}{28}$ ( cross- multiply )

35n = 30 × 28 = 840 ( divide both sides by 35 )

n = $\frac{840}{35}$ = 24

5 0

3 years ago

How do you put this in simplest form?

myrzilka [38]

(2x+7)-(3x-5) you first distribute the negative sign to the 3x-5, making the expression 2x+7-3x+5, which simplifies to -x+12

8 0

4 years ago

Read 2 more answers

38.2834. V1435. 36- 5637. v40. V4141. 214265 43. 12 445 8 -3ja 47. V3248. V4749. V99 50

aliya0001 [1]

No, your answer are wrong (I assume that the question asks to simplify the roots). You can only remove (their square is placed in from of the root and multiplied by it) the numbers from the root that are squares, the lest must stay, like this:

$\sqrt{14} = \sqrt{2*7} ,$ no roots are among the factors, nothing can be removed
$\sqrt{14} = \sqrt{2*7} ,$ nothing can be removed
$-\sqrt{39} = -\sqrt{3*13}$ nothing can be removed
$-\sqrt{56} = -\sqrt{2*2*2*7}=-2\sqrt{14} ,$
$-\sqrt{77} = -\sqrt{11*7} ,$ nothing can be removed
$\sqrt{41} = \sqrt{41} ,$ nothing can be removed
$\sqrt{21} = \sqrt{3*7} ,$ nothing can be removed
$- \sqrt{65} = -\sqrt{5*13} ,$ nothing can be removed
$-\sqrt{12} = -\sqrt{2*3*4} =-2\sqrt{4},$
$\sqrt{13} = \sqrt{13} ,$ nothing can be removed
$\sqrt{32} = \sqrt{4*4*2} =4\sqrt{2},$
$\sqrt{47} = \sqrt{47} ,$ (47 is prime) nothing can be removed
$-\sqrt{99} = -\sqrt{9*11}= -3\sqrt{11} ,$

4 0

3 years ago

!!!!Cosines / sines . Find a and round to the nearest 10th.

nadya68 [22]

I think Erica said I messed this one up. It looks the same. Oh yeah I think this was the one I thought $a=1.8=3\sqrt{2}-\sqrt{6}$ , Answer: 1.8.