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Mathematics

1 answer:

Mariulka [41]3 years ago

6 0

I’m thinking 9 if you add both equations together then you’ll have 2x+x and y-y=5+4
3x=9
If you wanted to go further then it would be x=3 but for this I’d say the answer is 9

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Evaluate. y2 + 2y + 5 for y = -5

OleMash [197]

Answer:

Step-by-step explanation:

Evaluate for y= −5

(−5)2+(2)(−5)+5

=20

3 0

3 years ago

The vertices of a right triangle are (–5, –2), (–1, –6), and (–5, y).

Gemiola [76]

I would say C: -2 because 2 sides have to match and one side has to be either smaller or bigger than the other 2 sides

4 0

3 years ago

What is the answer to 25% of 50

a_sh-v [17]

Answer:

12.5

Step-by-step explanation:

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2 years ago

50 POINTS IF ANSWERED, BRAINLIEST IF EXPLAINED

puteri [66]

M=change in y/change in x
Finding gradient of the orginal line
=3+1/0-3
=-4/3
Since parallel lines are equal the other line would be -4/3 (gradient)
Sub (-3;2) into y=mx+c
2=-4/3 (-3)+c
2=4+5
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Therefore sub all your info and you get y= -4/3x-2

6 0

3 years ago

How many zeros should have 5 to have 72 dividers?

xenn [34]

Hello,

nice as problem.

$| If\ a\ number\ x=a_1^{p_1}*a_2^{p_2}*a_3^{p_3}*....*a_n^{p_n}\\ the\ number\ of\ his\ dividers is:\\{p_1+1}*{p_2+1}*{p_3+1}*....*{p_n+1}$
Here x has a power of 5 as divider and a power of 2 as divider (in order to make a power of 10.

$5=5^1*2^0$

$50=5^1*(5^1*2^1)=5^2*2^1$

$500=5^1*(5^2*2^2)=5^3*2^2$

$50 000 000=5^8*2^7$

Numbers of dividers: (8+1)*(7+1)=9*8=72

3 0

4 years ago