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2 years ago

Which of the following is an si base unit for measuring length inch gram meter mole

2 answers:

3 0

I believe the correct answer from the choices listed above is the third option. It would be meter that is a si base unit for measuring length. The basic unit of length in the metric system; it was originally planned so that the circumference of the Earth would be measured at about forty million meters.

ch4aika [34]2 years ago

3 0

it is meter have a nice day!

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Find the midpoint of the segment with the given endpoints. (-4,-5) and (10,- 9)

Elanso [62]

Answer:

(3, -7)

Step-by-step explanation:

$\left(\frac{-4+10}{2}, \frac{-5-9}{2} \right)=(3, -7)$

6 0

1 year ago

Solve the equation x^2-4x+85=0

lara [203]

Can't factor
use quadratic
for
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^2-4ac} }{2a}$

given
1x^2-4x+85=0
a=1
b=-4
c=85

x= $\frac{-(-4)+/- \sqrt{(-4)^2-4(1)(85)} }{2(1)}$
x= $\frac{4+/- \sqrt{16-340} }{2}$
x= $\frac{4+/- \sqrt{-324} }{2}$
x= $\frac{4+/- (\sqrt{-1})(\sqrt{324}) }{2}$
remember that √-1=i
x= $\frac{4+/- i(\sqrt{324}) }{2}$
x= $\frac{4+/- i(18) }{2}$
x=2+/-9i

x=2+9i or x=2-9i

3 0

2 years ago

Round 38.49 to the nearest whole number

AnnyKZ [126]

38. The nearest whole number to 38.49 is 38 because at .5 you begin rounding up to the nearest whole number.

8 0

2 years ago

The diagram shows 3/4 of a fraction strip shaded. Mary erases some of the shadings to show 5/8. Explain the steps she took to sh

lakkis [162]

Answer:

a 8 parts b 8 3|4 = 3×2|4×2=b|8

Step-by-step explanation:

3 0

1 year ago

Each student in a class plays one of three sports soccer, volleyball or basketball. 1/4 of them play soccer. 3/5 of them play vo

Setler79 [48]

Answer: 3/20 of the class

Step-by-step explanation:

Add the amount of students that play soccer to amount of students that play volleyball

1/4 + 3/5 = 17/20

Subtract 17/20 (soccer and volley ball) from 20/20 or 1

20/20 - 17/20 = 3/20

7 0

2 years ago