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marshall27 [118]
3 years ago
6

Susan was given the math problem x - 4 + -11. She found the answer to be 7. Critique her answer. Is she correct? How do you know

?
PLS ANSWER ASAP!!! <3
Mathematics
2 answers:
ahrayia [7]3 years ago
6 0

Answer:

Hi how are you doing today Jasmine

Dmitrij [34]3 years ago
3 0

Answer:

she was wrong

Step-by-step explanation:

x-4-11 = 0 (4+-1=4-1)

x=15

hence she was wrong

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What is the answer? Please show work if possible.
vodka [1.7K]
Answer is d=2 1/3
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U will get 7/3
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3 years ago
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9. Mary is running at a pace where it takes him 8 minutes to run one mile. Let T represent the time that Mary has run, in minute
guapka [62]

Answer:

rate that Mary has run:  D = 8T

Step-by-step explanation:

distance = rate × time

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Answer:

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follow the order of operations

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Solve for x. <br> 2(x-2)= 6x + 2 -2(-2x - 4)
Lena [83]

Answer:-7/4

Step-by-step explanation:

2(x-2)=6x+2-2(-2x-4)

Open brackets

2x-4=6x+2+4x+8

Collect like terms

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-14=8x

Divide both sides by 8

-14/8=8x/8

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x=-7/4

4 0
3 years ago
You want to calculate the displacement of an object thrown over a bridge. Using -10 m/s^2 for acceleration due to gravity, what
MrRissso [65]

<u>Answer</u>

<em>The total displacement of the object is 320 m</em>

<u>Solution-</u>

From the formulas of mechanics,

s=ut+\frac{1}{2}at^{2}

Where,

s = displacement

u = initial velocity = 0               ( ∵ As the body was in rest in the beginning )

t = time taken = 8 s

a = acceleration = -10 m/s²      ( ∵ -ve is because of the downward motion)

Putting all the values,

s= 0 \times 8 + \frac{1}{2}(-10)8^{2} = -320 \ m ( ∵ -ve displacement means it is in downwards)

5 0
3 years ago
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