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3 years ago

Help please!! I’m really not sure about this one

Mathematics

1 answer:

avanturin [10]3 years ago

4 0

Answer:

The dependant variables are factors that are more of the result or the ending affect that count on other things to happen. Independant variables are things by itself

Step-by-step explanation:

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Decide if the following situation is a rate or not. Why or why not.

Jet001 [13]

A rate is a special ratio in which the two terms are in different units

I drove 25 miles per hour

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3 years ago

2n-3 greater than or equal to 1-4n+7n

My name is Ann [436]

Answer:

-0.5

Step-by-step explanation:

2n-3 >= 1-4n+7

2n-10>= 1-4n

2n-11>=4n

-11>=2n

-0.5>= n

6 0

3 years ago

Factor the following and find the zeros.

yaroslaw [1]

$1.\ x^2-169=0\\\\x^2-13^2=0\\\\(x-13)(x+13)=0\iff x=13\ \vee\ x=-13$

$2.\ x^2+14x+49=0\\\\x^2+2x\cdot7+7^2=0\\\\(x+7)^2=0\\\\(x+7)(x+7)=0\iff x=-7$

$3.\ x^2-17x+42=0\\\\x^2-14x-3x+42=0\\\\x(x-14)-3(x-14)=0\\\\(x-14)(x-3)=0\iff x=14\ \vee\ x=3$

$4.\ 2x^2-9x-5=0\\\\2x^2-10x+x-5=0\\\\2x(x-5)+1(x-5)=0\\\\(x-5)(2x+1)=0\iffx=5\ \vee\ x=-\frac{1}{2}$

$5.\ 3x^2+11x-4=0\\\\3x^2+12x-x-4=0\\\\3x(x+4)-1(x+4)=0\\\\(x+4)(3x-1)=0\iff x=-4\ \vee\ x=\frac{1}{3}$

$6.\ this\ same\ like\ 1.\\\\x^2-196=0\\\\x^2-14^2=0\\\\(x-14)(x+14)=0\iff x=14\ \vee\ x=-14$

3 0

3 years ago

Solve and explain. Sue orders pictures from her photographer. Each picture costs $8. A one-time shipping fee of $7 is added to t

Whitepunk [10]

Answer:

3 pictures

Step-by-step explanation:

Please see the attached pictures for the full solution.

☆ Since the shipping fee is a one-time fee, for an order, Sue only pays $7 once and the rest of the cost would be due to the number of pictures she ordered.

8 0

3 years ago

A vegetable plant grows 28 centimeters in one week how many does it grow in a day???

Zina [86]

A week have 7 days
So 28 divided by 7 is 4
So 4 centimeter per day

8 0

3 years ago

Read 2 more answers