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3 years ago

Please help i’ll literally give brainlest if you show on a piece of paper or help!

Mathematics

2 answers:

9966 [12]3 years ago

6 0

Excuse my lines I didn’t use a ruler

Vikentia [17]3 years ago

4 0

Answer:

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Step-by-step explanation:

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A boat travelled 336 km downstream with the current. The trip downstream took 12 hours.

miskamm [114]

Answer:

We know the distance (d) equation in terms of rate (r) and time (t) as:

d=rt

Step-by-step explanation:

We have given d=336 km and t= 12 hours, so we have: 336 km = 12t <-- this is our equation.

Divide each side by 12 to solve for t:

12t/12=336/12

t= 28 km/ hour

5 0

3 years ago

Plz help with this one I have ten minutes to turn it in! Will give u points! And mark u BRAINLY

Neporo4naja [7]

I think it’s -3,0,0 but i’m not 100% sure

8 0

3 years ago

Read 2 more answers

What is 6z+4x and z=2 x=3

drek231 [11]

6 x 2 + 4 x 3 = 12 + 12 = 24

6 0

4 years ago

Read 2 more answers

OOOO

lbvjy [14]

Step-by-step explanation:

Given bi-quadratic equation is:

$x^4+95x^2 -500=0$

Substituting $x^2=a,$ given bi-quadratic equation reduces in the form of following quadratic equation:

$a^2 +95a -500=0\\$

Let us factorize the above quadratic equation:

$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$

Since square root of a negative number cannot be found, so:

$x \neq \pm \sqrt{-100}\\$

$CASE\: (2)\:\\When\: a =5 \implies x^2 =5\\\therefore x=\pm \sqrt{5}\\$

3 0

3 years ago

What is combined mean

FromTheMoon [43]

Combined in mathematics is to add together to find a total. If you combine 1 and 2 you get 3.

7 0

3 years ago