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3 years ago

Helpp which one pleasee

Mathematics

1 answer:

lawyer [7]3 years ago

6 0

Answer:

coefficient because they are not the same so they can not be constant because it is not the same in every week

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There are 42 students in a class.

Vikki [24]

Answer: the answer would be 16 kids walk to school (10 girls and 6 boys)

Step-by-step explanation:

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3 years ago

Which function does this graph represent: y=x-4; y=-x+4;y=4x-1;y=-4x+1

allochka39001 [22]

The graph represents y=-4x-1

If you notice the line, it goes past the -1 on the y axis which indicates that the y intercept is -1 since that was the only choice which displayed this, we know that our answer is y=-4x-1

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3 years ago

There’s a box of cereal

WARRIOR [948]

Answer:

is that a math????????

5 0

3 years ago

Read 2 more answers

Limited time . 10 points

AfilCa [17]

Answer:

Therefore the value of x is

$x=1\pm\sqrt{19}i$

Step-by-step explanation:

Given:

$x^{2}+20=2x$ which is

$x^{2}-2x+20=0$

To Find:

x = ? using Quadratic Formula

Solution:

For a Quadratic Equation ax² + bx + c = 0 , Formula Method is given as

$x=\dfrac{-b\pm\sqrt{b^{2}-4ac}}{2a}$

On Comparing with above we get

$a=1\\b=-2\\c=20$

Substituting a , b , c in Formula method we get

$x=\dfrac{-(-2)\pm\sqrt{(-2)^{2}-4(1)(20)}}{2\times 1}\\\\x=\dfrac{2\pm\sqrt{-76}}{2}\\\\x=\dfrac{2\pm2\sqrt{19}i}{2}\\Dividing\ by\ 2\ we\ get\\\\x=1 \pm\sqrt{19}i$

Therefore the value of x is

$x=1\pm\sqrt{19}i$

8 0

3 years ago

PLEASE HELP WITH QUESTIONS 4 AND 5

agasfer [191]

Answer:

4 - Complementary

5 - Supplementary

Step-by-step explanation:

i can't find the value of X

6 0

3 years ago