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dolphi86 [110]
2 years ago
11

Which situation can be modeled by the equation 45−2.50x=11.50?

Mathematics
2 answers:
zavuch27 [327]2 years ago
4 0

Answer:

I think either A or D. not sure tho. sry!

zvonat [6]2 years ago
3 0
“A” because it said decrease which is subtraction and when it said $2.50 each week they meant 2.50x.
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Which of the following is the solution set of the given equation?<br><br> (x - 3) - 2(x + 6) = -5
Vlad1618 [11]

Answer: x=−10

Step-by-step explanation:

x−3−2(x+6)=−5

x+−3+(−2)(x)+(−2)(6)=−5(Distribute)

x+−3+−2x+−12=−5

(x+−2x)+(−3+−12)=−5(Combine Like Terms)

−x+−15=−5

−x−15=−5

−x−15+15=−5+15

−x=10

8 0
3 years ago
Solve:<br> 12 + 5 + 3’2 x 10 - 5 = <br> (12 + 5) + 3'2 x (10 – 5) =
kondaur [170]

Answer:

1) 102

2) 62

Step-by-step explanation:

12 + 5 + 3²  × 10 - 5

12 + 5 + 9 × 10 - 5

12 + 5 + 90 - 5

17 + 90 - 5

107 - 5

102

(12+5) + 3² × (10 - 5)

(17) + 9 × (5)

17 + 45

62

4 0
3 years ago
Read 2 more answers
7+2n=8n-5 <br>n=? <br>whatsl does n equal​
Westkost [7]

8n -2n=7+5

6n =12

n =2

this is the answer

8 0
2 years ago
Read 2 more answers
Please help me with my homework problem
wel

Answer:

y-axis

Step-by-step explanation:

points are (x,y)

since the y-coordinate does not change, but the x-coordinate does, it rotates around the y-axis.

reflection just means it rotates 180 degrees (out of the paper, not around)

8 0
2 years ago
Which statement describes the translation of y = −1/5 (x + 5)2 + 2 from standard position? Standard position is when the vertex
stellarik [79]

f(x) + n - move the graph n units up

f(x) - n - move the graph n units down

f(x + n) - move the graph n units to the left

f(x - n) - move the graph n units to the right

---------------------------------------------------------------------------------------

f(x)=-\dfrac{1}{5}x^2\\\\f(x+5)=-\dfrac{1}{5}(x+5)^2\\\\f(x+5)+2=-\dfrac{1}{5}(x+5)^2+2

<h3>B. Moved 2 units up and 5 units to the left.</h3>
3 0
3 years ago
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