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lesantik [10]
3 years ago
14

How does math help with science

Mathematics
2 answers:
eimsori [14]3 years ago
7 0
Yes because u need to do units measures
Karo-lina-s [1.5K]3 years ago
5 0
Math helps with science because you'll need to know the math in order to convert units in science.
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You open a drink stand where you sell coffee and hot chocolate. You sell coffee for $1.80 and hot chocolate for $3.15. At the en
Usimov [2.4K]

Answer:

c = 69 and h = 51

Step-by-step explanation:

You will need two different equations here

use variable c as coffee and variable h as hot chocolate

c + h = 120

1.80c + 3.15h = 284.40

By moving variables, you can alter the first equation

h = 120 - c

Now insert this into the second equation

1.80c + 3.15(120 - c) = 284.40

Multiply

1.80c + 378 - 3.15c = 284.40

Subtract the c

-1.35c + 378 = 284.40

Subtract 378 from both sides

-1.35c = -93.6

Divide both sides by -1.35

c = 69

Then plug into the first equation

69 + h = 120

Subtract 69

h = 51

7 0
3 years ago
Which values of x make this equation true?
Evgesh-ka [11]

Answer:

{x}^{2}  + x = 12 \\  {x}^{2}  + x - 12 = 0 \\  {x }^{2}  + 4x - 3x - 12 = 0 \\ x(x + 4) - 3(x + 4) = 0 \\ (x + 4)(x - 3) = 0 \\ either \:  \:  \: or \:  \\ x =  - 4 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: x = 3

the answer is -4 and 3

3 0
2 years ago
What’s the answer to this?
Serga [27]

Answer:47m

Step-by-step explanation:

8 0
2 years ago
I am stuck on the before last question of this maths exam. I need reasoning for each answer and that is what I can't seem to get
sleet_krkn [62]

Answer:

write this:

<BAC=x(alternate segment theorem)

<ABC=x

triangle ABC has 2 equal angles so it is an isosceles triangle.

7 0
3 years ago
Raul simplified the expression, as shown below.
Softa [21]

Answer:

Raul's errors are in the application of the distributive property(he applied it wrongly), in not respecting the precedence of operations, and in the multiplication of two terms with the same base(we add the exponent).

Step-by-step explanation:

Distributive property:

The distributive property of multiplication is:

a*(b + c) = a*b + a*c

Precedence of operations:

First multiplication, then addition.

Multiplication of terms with the same base:

The multiplication of h*h = h², which Raul missed.

The correct simplification is given by:

-[3h + 7h(2-h)] = -[3h + 14h - 7h^2] = -[17h - 7h^2]=7h^2 - 17h

4 0
3 years ago
Read 2 more answers
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