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Iteru [2.4K]
3 years ago
10

A cubic inch of gold weighs 316 grams. How much does a cubic centimeter of gold weigh????? Help!!!!!!

Mathematics
1 answer:
Ainat [17]3 years ago
8 0
Grams measure mass while cubic centimetres measure volume? so you can't convert the two?
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Which number is a solution of a² +4= 6a – 1?<br> 07<br> 6<br> 7<br> 8
LuckyWell [14K]

Answer:

a=1 or a=5

Step-by-step explanation:

a^{2}+4=6a−1

Step 1: Subtract 6a-1 from both sides.

a^{2}+4−(6a−1)=6a−1−(6a−1)

a^{2}−6a+5=0

Step 2: Factor left side of equation.

(a−1)(a−5)=0

Step 3: Set factors equal to 0.

a−1=0 or a−5=0

a=1 or a=5

(is it helpful rate me according to that

Thank You:-)

6 0
3 years ago
• Which of the following equations represents a line that is perpendicular to
JulsSmile [24]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 4x + 9 ← is in slope- intercept form

with slope m = - 4

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-4} = \frac{1}{4}, hence

y = \frac{1}{4} x + c ← is the partial equation of the perpendicular line

To find c substitute (4, 5) into the partial equation

5 = 1 + c ⇒ c = 5 - 1 = 4

y = \frac{1}{4} x + 4 ← equation of perpendicular line → C

4 0
3 years ago
What is the expression equal to 6?3n-(2+n)
Brilliant_brown [7]

Answer:

n=3 then open bracket

Step-by-step explanation:

3n-(2+n)

=3x4-(2+4)

=12-6

=6

3 0
3 years ago
!!WILL MARK BRAINLIEST!! Write in slope-intercept form an equation of the line that passes through the given points.
gregori [183]

Answer:

y = 1/4x

Step-by-step explanation:

First find the slope

m = (y2-y1)/(x2-x1)

    = (2-1)/(8-4)

    = 1/4

The slope intercept form of a line is

y = mx+b

where m is the slope and b is the y intercept

y = 1/4x +b

Substitute a point into the equation

1 = 1/4(4) +b

1 = 1+b

b= 0

y = 1/4x

6 0
3 years ago
Write 0.21 as a fraction in simplest form
VMariaS [17]
21/100 is in simplest form.
6 0
3 years ago
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