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vivado [14]
3 years ago
9

I need help with two step equations with one variable grade 7 3x-4=17

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
3 0

Answer:

7

Step-by-step explanation:

3x-4=17

add 4 on both sides and you get 3x=21 then you divide 3 on both sides. you get x=7.

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Find the radius of a circle with a circumference of 30 units. Round your answer to the nearest tenth (1 decimal place).
Vlad [161]

Answer:

The radius would be 4.8

Step-by-step explanation:

The circumerfence of a circle can be found use the equation C=2\pir. So since we are given the circumerce we need to rearrange the eqaution to it looks like \frac{30}{2\pi }=r. when we do this out we find that the radius equals 4.8.

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3 years ago
Sam spent $16 on a large pizza and two drinks. If the pizza was 75% of the cost, how much did each drink cost?
Veseljchak [2.6K]

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Graph f (.x) = x3 – 4x3 + x2 + 2. Identify the x-intercepts and the points where the local maximums and local
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Step-by-step explanation:

4 0
3 years ago
I have attached the problem in a picture below!​
lesantik [10]

Answer:

A. The solution set is x = 5 or -7

Step-by-step explanation:

\sqrt[4]{ {x}^{2} + 2x }  =  \sqrt[4]{35}  \\ {({x}^{2} + 2x) }^{ \frac{1}{4} }  =  {(35)}^{ \frac{1}{4} }  \\ {x}^{ \frac{1}{2} } + {2x}^{ \frac{1}{4} }   =  {35}^{ \frac{1}{4} }  \\   {x}^{2}  + 2x = 35 \\  {x}^{2}  + 2x  -  35 = 0 \\ (x - 5)(x + 7) = 0 \\ x = 5  \: or \:  - 7

Therefore, the answer is A. as the solution is x = 5 or -7

4 0
1 year ago
Zara is six months into her first job, and she’s also attending community college. She is planning to start saving a portion of
Cloud [144]

Answer:

B.Dining out

Step-by-step explanation:

<u>I hope the below question is the full one that you want to ask</u>

<em>Select the correct answer. Zara is six months into her first job, and she’s also attending community college. She is planning to start saving a portion of her paycheck and has created a monthly budget to track her spending. Which budget item should Zara reduce to increase her savings? A. college tuition B. dining out C. rent D. utility bills</em>

<em />

I think it is B: dinning out.

Because A C D are fixed cost, she could not adjust or change by herself. She can only save money when she cooks, do not need to go out for food.

4 0
3 years ago
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