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inysia [295]
3 years ago
7

Coach Burns charted the change in his runners’ 5K times from the first race of the year to the second race of the year. Which st

udent improved the most by decreasing the time needed to run the race? PLEASE HELP IM ON A EXAM!!!
Mathematics
2 answers:
Alecsey [184]3 years ago
8 0

Answer:

student a

Step-by-step explanation:

i just took the exam

Andrews [41]3 years ago
4 0

Answer:

Student a

Step-by-step explanation:

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F as a function of x is equal to the square root of quantity 6 x plus 9 , f as a function of x is equal to the square root of qu
Elis [28]

Answer:

A. \sqrt{6x+9} +\sqrt{6x-9}

Step-by-step explanation:

We are given the functions f(x) and g(x) as,

f(x)=\sqrt{6x+9}

g(x)=\sqrt{6x-9}

It is required to find the function ( f+g ) i.e. ( f+g ) (x)

So, (f+g)(x)=f(x)+g(x)

i.e. (f+g)(x)=\sqrt{6x+9}+\sqrt{6x-9}

Hence, we get that (f+g)(x)=\sqrt{6x+9}+\sqrt{6x-9}.

So, the first option is correct.

4 0
3 years ago
Which number sentence is true? A. –7 + 10 = –3 B. –7 – (–10) = –17 C. 7 – 10 = 3 D. 7 – (–10) = 17
Mice21 [21]

Assignment: \bold{Which \ Statement \ Is \ True}

<><><><><>

Answer: \boxed{\bold{7-\left(-10\right)}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><>

Note: \bold{Solve \ Equation \ To \ Find \ Answer}

[ Step One ] Apply Rule - (-a) = a

\bold{7+10}

[ Step Two ] Add

\bold{17}

<><><><><><><>

\bold{\rightarrow Rhythm \ Bot \leftarrow}

3 0
3 years ago
Read 2 more answers
Jane earns a 5.5% commission on the selling price of each home she sells. She earned $9,020 in commission on the sale of a home.
ratelena [41]

Answer:

"$164000" is the appropriate answer.

Step-by-step explanation:

Let the selling price be "s".

As per the question,

If Jane take 5.5% of selling price i.e.,

= 0.055\times s

Given commission,

= $9,020

then,

The selling price will be:

⇒ 0.055\times s=9020

                s=\frac{9020}{0.055}

                   =164000 ($)    

6 0
2 years ago
I don’t know what the last one is
joja [24]

But its still not that much info what is the answers for it if there is no answer

How are you finding what does x equal

8 0
3 years ago
Read 2 more answers
Which of the following groups cannot represent the side lengths of a triangle.
Rom4ik [11]

Answer:

try B for an answer, hope it helps

7 0
2 years ago
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