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marishachu [46]
2 years ago
6

Please help

Mathematics
1 answer:
lozanna [386]2 years ago
7 0

Answer:

In the beginning there were 20 bacterias in the petri dish.

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PLS HELP ME!!!! I WILL MARK U!!!!!<br><br> MATH!!!!
erica [24]

Answer:

-38

Step-by-step explanation:

y=2

z=-17

yz-y^2

(2)(-17)-(2)^2

-34-4

-38

4 0
3 years ago
Consider the two-factor model with interaction
Digiron [165]

Answer:

Step-by-step explanation: see attachment below

3 0
4 years ago
Why do waves move faster at higher temperatures and in a solid phase?
Novosadov [1.4K]

Answer:

The Third one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
multiply the following polynomials and write the resulting polynomial in descending order. (3x-8)(2x^2+4x-9)
Veronika [31]

Answer:

Given the polynomial: (3x-8)(2x^2+4x-9)

Since, arranging of polynomial can be made by forming the given polynomial into the general form.

Multiply the following  polynomials are;

(3x)(2x^2+4x-9)-8(2x^2+4x-9))

Using distributive property: a\cdot(b+c) = a\cdot b+a\cdot c

(6x^3+12x^2-27x)- (16x^2+32x -72)

Remove the parenthesis; we get;

6x^3+12x^2-27x- 16x^2 -32x +72

Combine like terms;

6x^3-4x^2-59x+72

⇒This is the general form of the polynomial equation.

Since, the given polynomials can be written from the order of powers i.e,

6x^3-4x^2-59x+72

To arrange this polynomial in descending order means to arrange the powers of variables in each term in descending order.

Therefore, the resulting polynomial in descending orders is, 6x^3-4x^2-59x+72

6 0
3 years ago
Daniel had $57 to spend on gifts he spent $10.51 on a gift for Isaac $8.73 on a gift for madison and $8.47 on a gift for Abigail
mina [271]
57-10.51=46.49
46.49-8.73=37.76
37.76-8.47=29.29
Therefore Daniel has $29.29 left.
7 0
3 years ago
Read 2 more answers
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