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Varvara68 [4.7K]

3 years ago

8

Helpppppppppppppppppppppppppppp

2 answers:

vladimir1956 [14]3 years ago

5 0

Answer:

15/6

Step-by-step explanation:

So they all had 5 slices of 3 pizzas which means total they had 15 pizza slices, 5x3. Then you would just see that each pizza was divided into 6 pizza slices so you would put a denominator of 6.

Mumz [18]3 years ago

4 0

The answer is 15/6 (5+5+5)/6

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For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you subs

tatiyna

$-x-2y=-4 \\ 3x+y=12 \\ \\ \hbox{the first equation:} \\ -x-2y=-4 \ \ \ \ \ \ |+2y \\ -x=2y-4 \ \ \ \ \ \ \ \ |\times (-1) \\ x=-2y+4$

The expression you would substitute for x is -2y+4. The answer is d.

4 0

3 years ago

How do you find the range in a set of numbers?

Angelina_Jolie [31]

Answer:

first order the data from least to greatest. Then subtract the smallest value from the largest value in the set

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Question 1 (1 point)

olga55 [171]

Answer:

1) $2y^{2}+4y-9$

2) $18x^{5}y^{4}z$

3) $6x^{5}-12x^{4}+9x^{3}$

4) 40

5) $x^{3}-7x^{2}+3x+36$

Step-by-step explanation:

1) Distribute the negative sign that is outside the parentheses and then you must add like terms, as following:

$(y^{2}-3y-5)-(-y^{2}-7y+4)=y^{2}-3y-5+y^{2}+7y-4=2y^{2}+4y-9$

2) According to the Product property of exponents, when you multiply powers with the same base, you must add the exponents. Then:

$(6xy^{3}z)(3x^{2}yx^{2})=18x^{5}y^{4}z$

3) Apply the Distributive property and the Product property of exponents. Then, you obtain:

$-3x^{3}(-2x^{2}+4x-3)=6x^{5}-12x^{4}+9x^{3}$

4) $(4a+5)^{2}$ is a square of a sum, then, by definition you have:

$(a+b)^{2}=a^{2}+2ab+b^{2}$

Then:

$(4a+5)^{2}=(4a)^{2}+2(4a)(5)+5^{2}=16a^{2}+40a+25$

The coefficient of the second term is the number in front of the variable <em>a.</em> Then, the answer is: 40

5) Apply the Distributive property and the Product property of exponents, then, oyou must add the like terms:

$(x-4)(x^{2}-3x-9)=x^{3}-3x^{2}-9x-4x^{2}+12x+36=x^{3}-7x^{2}+3x+36$

6 0

3 years ago

6. A number solid with faces labeled 1 through 16 is rolled. What is the probability that the number 16 will appear facing up wh

erma4kov [3.2K]

Answer:

1/16 chance that it will land on 16 because there are 16 faces

6 0

3 years ago

Read 2 more answers

Help!<br><br> answer choices<br> a)-16/3<br> b)-2<br> c)2<br> d)16/3

LiRa [457]

Answer: c

Step-by-step explanation:

3 0

3 years ago