3 years ago

Hugo is a veterinarian

Mathematics

2 answers:

marin [14]3 years ago

6 0

Answer:

Is this mathematics?

Cos I don't get

Sindrei [870]3 years ago

3 0

Answer:

Step-by-step explanation:

the answer is always 7

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Evaluate 1x + y, for x = 8 and y=-15.<br> 7 <br> -7<br> 23<br> -23

statuscvo [17]

Answer:

B) -7

Step-by-step explanation:

x+y

8+(-15)=8-15=-7

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3 years ago

Solve the equation 15p2 + 7p − 4 = 0 by completing the square.

natulia [17]

Answer:

p=0 or p=-7/15

Step-by-step explanation:

15p2+7p=0

p(15p+7)=0

p=0 or 15p+7=0

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2 years ago

My last problem and I'm stuck please help!!

WITCHER [35]

Answer is C= -125,125

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3 years ago

7x + 8y = 25 9x + 10y =35 elimination method please

djverab [1.8K]

$7x +8y = 25 ~~~....(i)\\\\9x +10y = 35~~~ ....(ii)\\\\\text{Multiply equation (ii) by}~ \dfrac 79 ~ \text{and do (ii) - (i):}\\\\\dfrac 79 (9x +10y) - (7x +8y) = \dfrac 79 (35) - 25\\\\\\\implies 7x +\dfrac{70y}9 - 7x -8y = \dfrac{245}9 -25\\\\\\\implies - \dfrac{2y}9 = \dfrac{20}9\\\\\\\implies -2y =20\\\\\implies y =-10\\\\\text{Substitute}~ y = -10~ \text{in equation (i):}\\\\\\7x +8(-10) = 25\\\\\implies 7x = 25 +80\\\\\implies 7x = 105 \\\\\implies x =15\\\\$

$\\\text{Hence}~ (x,y) = (15,-10)$

3 0

2 years ago

Her exercise today, Amanda plans to both run and swim. Let

vlabodo [156]

R = laps she runs
s = laps she swims
each r (laps she runs) takes 5 min.
each s (laps she swims) takes 3 min.
She wants to run for 30 min.

So your inequality should = 30

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3 years ago