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2 years ago

HELP please! If right I’ll make u the brainless answer

Mathematics

1 answer:

Aliun [14]2 years ago

6 0

The answer would be C. 856425785

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Choose all the fractions that are equivalent to1/7. (Click all that apply.)

Alchen [17]

Answer:

2/14, 4/28, 5/35, 7/70 or just 2/14

Step-by-step explanation:

Multiply both the numerator and denominator of 1/7 by 2, to get 2/14, or 2:14

And multiply the numerator and denominator of 1/7 by 3, to get 3/21, or 3:21. So 2:14 and 3:21 are two ratios that are equal to 1:7.

8 0

3 years ago

Hi, can someone please help, and possibly explain the answer please.

mr_godi [17]

Answer:

$x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

Step-by-step explanation:

Quadratic formula: $x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$ when the equation is $0=ax^2+bx+c$

The given equation is $1=-2x+3x^2+1$ . Let's first arrange this so its format looks like $y=ax^2+bx+c$ :

$1=-2x+3x^2+1$

$1=3x^2-2x+1$

Subtract 1 from both sides of the equation

$1-1=3x^2-2x+1-1\\0=3x^2-2x+0$

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

I hope this helps!

8 0

2 years ago

5(t+3)=-3.5 solve for t

mestny [16]

Answer: t=−3.7

If I Helped, Please Mark Me As Brainliest, Have A Great Day :D

8 0

2 years ago

Read 2 more answers

A teacher knows that 15% of the pencils borrowed by her students are NOT returned. The teacher

vitfil [10]

Answer:

Step-by-step explanation:

80 -15 =65 so she would get 65 pencils back

3 0

2 years ago

Read 2 more answers

Help me please. i will mark brainliest ‼️

Alik [6]

Answer:

can i have a thxs because this question has been here for a week plz

Step-by-step explanation:

8 0

2 years ago