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Nostrana [21]
3 years ago
11

PLZZ HELP!!!

Mathematics
1 answer:
svlad2 [7]3 years ago
8 0
It is not possible if so it wouldn’t be iscosceles
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juila has 3 1/2 pounds of dog food.she has to slit it quality among her 7 dogs how much food will each dog receive
azamat
1/2 a pound per dog
3 1/2=3.5lbs
3.5÷7=.5
.5=1/2
3 0
2 years ago
8.Find the value of c that makes the expression be a perfect square trinomial p^2-30p+c
Darina [25.2K]
Hope this is the right one.

Problem 8
p^2 - 30p + c
<em>Step One</em>
Take 1/2 of - 30
1/2 * -30 = - 15

<em>Step 2
</em>Square -15
(-15)^2 = 225
c = 225

Problem Nine
\text{x = }\dfrac{ -b \pm \sqrt{b^{2} - 4ac } }{2a} &#10;
a = 1
b = 4
c = -15
\text{x = }\dfrac{ -4 \pm \sqrt{4^{2} - 4*1*(-15) } }{2*1}
\text{x = }\dfrac{ -4 \pm \sqrt{\text{16} + \text{60} } }{2}

x = [-4 +/- sqrt(76)] / 2
x = [-4 +/- 2*sqrt19]/2
x = [-4/2 +/- 2/2 sqrt[19]
x = - 2 +/- sqrt(19) 

x1 = - 2 + sqrt(19)
x2 = -2 - sqrt(19)

These two can be broken down more by finding the square root. I will leave them the way they are.  It's just a calculator question if you want it to go into decimal form.

Problem Ten

a = 1
b = 4
c = -32

The discriminate is sqrt(b^2 - 4ac)
D = sqrt(b^2 - 4ac)
D = sqrt(4^2 - 4(1)(-32)
D = sqrt(16 - - 128)
D = sqrt(16 + 128)
D = sqrt(144)
D = +/- 12

Since D can equal + or minus 12 there must be 2 possible (and different) roots. As a matter of fact, this quadratic can be factored.
(x + 8)(x - 4) = y 
But that' s not what you were asked for.
The discriminate is >  0 so the roots are going to be real.
<em>Answer; The discriminate is > 0 so there will be 2 real different roots.</em>

4 0
2 years ago
A high school student reads four more biographies than historical fiction books during the semester. The student also reads two
olga_2 [115]
B=h+4, m=h-2  now we are told

b+h+m=11, using b and m found above in this equation gives us:

h+4+h+h-2=11

3h+2=11

3h=9

h=3 and since b=h+4, m=h-2

historical=3, biography=7, mystery=1
6 0
3 years ago
Read 2 more answers
What is the answer to -30x+100=-22x+140
harina [27]

Answer:

x=-5

Step-by-step explanation:

Add 22x to both sides: -8x+100=140

Subtract 100 from both sides: -8x=40

Divide both sides by -8: x=-5

So the answer is x=-5

5 0
3 years ago
Read 2 more answers
–4(5² – 3) +6² I need help solving that​
Marat540 [252]

Answer:

-52

Have a great day! Brainliest?

4 0
2 years ago
Read 2 more answers
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