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Arada [10]
3 years ago
7

3. In an experiment a scientist mixes together three substances. She mixes 18.42 g of

Mathematics
1 answer:
Harman [31]3 years ago
7 0

Answer:

6.24

Step-by-step explanation:

A= 18.42g, B = 5.8g,C = 0.75g

Total = 18.42 + 5.8 + 0.75

= 24.97g

Then divided into four equal parts

= 24.97g/4

= 6.2425g

= 6.24g

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Given that €1 = £0.72 a) how much is €410 in £? b) what is the £ to € exchange rate
avanturin [10]

Answer:

£295.2

€1.39

Step-by-step explanation:

€1 = £0.72

a) €410=  £0.72*410= £295.2

b) £1= €1/0.72= €1.39

6 0
4 years ago
1. find the product of each pair of numbers. then, plot some points to the show the relationship between the first number and th
iVinArrow [24]

Answer:

i d k lol im just tryna get points

Step-by-step explanation:

have a cookie and good luck tho

3 0
3 years ago
Determine the terminal point for -pi/6 .
Aliun [14]

Answer:

-3.14 is the answer to -pi

5 0
3 years ago
-1.2= y/2.4 -1.7<br> Solve for y
evablogger [386]

{\huge{\boxed{\sf{Question}}

-1.2= y\div2.4 -1.7

Solve for y

{\huge{\boxed{\sf{Answer\:with\:explanation }}}

let's put our equation first

-1.2= y\div2.4 -1.7

Flip the equation

y\div2.4-1.7=-1.2

Now follow the rule of BOMDAS/PEMDAS

{\huge{\boxed{\sf{BOMDAS }}}

  • Brackets
  • Of multiplication
  • Division
  • Addition
  • Subtraction

{\huge{\boxed{\sf{PEMDAS}}}

  • Parenthesis
  • Exponents
  • Multiplication
  • Division
  • Addition
  • Subtraction

_________________________

{\huge{\boxed{\sf{Solve\:the\:equation}}}

_________________________

y\div2.4-1.7=-1.2

{\underline{simplify}}

0.416667y-1.7=-1.2

add 1.7 to both sides

0.416667y=0.5

Divide both sides by 0.416667

y=1.2

{\huge{\boxed{\sf{Answer}}}

y would equal 1.2

4 0
3 years ago
One solution, infinitely many solutions, or no solution for #13?
Lady_Fox [76]

Answer:

For this system of equations there is infinitely many solutions.  

Step-by-step explanation:

Given the equations:  -4x + 4y = 32 and 3x + 24 = 3y, we need to first get them both in standard form (Ax + By = C) in order to complete the method of elimination to solve.  The first equatoin is already in standard form, however, in order to convert the second equation, we will need to use inverse operations to move the '3x' to the other side of the equation by subtraction of this term from both sides:  3x - 3x + 24 = 3y - 3x or 24 = -3x + 3y.  Rearranging the equation gives us:  -3x + 3y = 24.  In order to use elimination to solve, we must first multiply the first equation be a factor of 3 and the second equation by a factor of -4 in order to have opposite coefficients:

3[ -4x + 4y = 32] = -12x + 12y = 96

-4{-3x + 3y = 24] = 12x - 12y = -96

You can see that if we add these too equations together, we get 0 = 0, which indicates that they are both the same line, making our answer infinitely many solutions.  

8 0
3 years ago
Read 2 more answers
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