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stiv31 [10]
3 years ago
12

How will you remember what changes when reflecting across the x-axis?

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer: When you reflect a point across the x-axis the x-coordinate remains the same, but the y-coordinate is transformed into its opposite

Step-by-step explanation:

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Find the distance between (2, -3) and (14, -16). Round to the nearest 10th if necessary.
S_A_V [24]
17.7 or 18snzusb disms
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3 years ago
SHOW STEPS!! <br><br> 4. <br> x + 4y -- 67 = -1<br> 2x - y + 2z = -7<br> -x + 2y -- 43 = 5
mafiozo [28]
1.x+4y- - 67 =-1
x+4y+67=-1
x+4y=-1-67
X+4y=-68

2.2x-y+2z=-7
2x=-7+y-2z
x=-7/2+1/2y-z
x=-7/2+1/2y-z, y€R, z€R

Warning: I don’t have the € and R

3.-x+2y- -43=5
-x+2y+43=5
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-x+2y=-38
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Hope this helps!
Please mark me brainliest if possible
3 0
3 years ago
Find how many solutions there are to the given equation that satisfy the given condition.
den301095 [7]

Answer:

17550 solutions

Step-by-step explanation:

Given that:

y1 +y2+y3+y4=27

where;

(yi  ≥ 0 and yi \epsilon {\displaystyle \mathbb {Z} }  )

The no. of a nonnegative integer determines the number of ways to choose 27 objects from (4) distinct objects with repetition regardless of the order.

i.e

\bigg(^{27}_{4} \bigg)

∴

The number of nonnegative integer solution is \bigg(^{27}_{4} \bigg)

= \dfrac{27!}{4!(27-4)!}

= \dfrac{27!}{4!(23)!}

= \dfrac{27\times 26\times 25\times 24 \times  23 !}{4\times 3\times 2\times 1(23)!}

= \dfrac{27\times 26\times 25\times 24 }{4\times 3\times 2\times 1}

= \dfrac{421200}{24}

= 17550 solutions

7 0
3 years ago
How many days are in a year without weekends?
Sauron [17]
There are 365 days in a year.
52 weeks.
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That's 52x5= 260.
5 0
3 years ago
Anyone know this?i need help
belka [17]

Answer:

B

Step-by-step explanation:

The slope of graph b is -3/2

6 0
3 years ago
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