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ladessa [460]
2 years ago
9

3. Maxx has a regular exercise

Mathematics
1 answer:
Ainat [17]2 years ago
3 0
Como te lamps estoy es una le to yo new tamoxifen es boyatchao
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The function h(t) = −5t2 + 25t shown in the graph models an architectural arch:
alukav5142 [94]

Answer:

the answer is actually 0 ≤ x ≤ 5

Step-by-step explanation:

i got it right

6 0
3 years ago
The sum of a number, 1/6 of that number, 2 1/2 of that number, and 7 is 12 1/2. Find the number.
Tema [17]

Answer:

2 \frac{1}{16}

Step-by-step explanation:

The question state that;  the sum of a number, 1/6 of that number, 2 1/2 of that number, and 7 is 12 1/2. Find the number.

First, we need to interpret and represent this statement mathematically

Let n be the number.

The sum means 'addition'

1/6 of that number is  1/6 of n = 1/6 × n  = \frac{n}{6}

2 1/2 of that number is 2 1/2 of n = 2 1/2 × n  = 5/2 × n = \frac{5n}{2}

So the question says that, when we add; \frac{n}{6} ,  \frac{5n}{2}  and 7 all together, the value is 12 1/2

That is;

\frac{n}{6}  + \frac{5n}{2} + 7 = 12 1/2

\frac{n}{6}  + \frac{5n}{2} + 7  = \frac{25}{2}         ( changing 12 1/2 to improper fraction will give  \frac{25}{2} )

So we can now go ahead and solve for n

\frac{n}{6}  + \frac{5n}{2} + 7  = \frac{25}{2}  

subtract 7 from both-side of the equation

\frac{n}{6}  + \frac{5n}{2}   =  \frac{25}{2}   -   7

\frac{n + 15n}{6}  =   \frac{25 -14}{2}

\frac{16n}{6}      =    \frac{11}{2}

\frac{16n}{6}  can be reduced to give us \frac{8n}{3}

\frac{8n}{3}   =   \frac{11}{2}

Cross multiply

8n × 2  = 11× 3

16n = 33

Divide both-side of the equation by 16

\frac{16n}{16}    =   \frac{33}{16}

(On the left-hand side of the equation, 16 will cancel-out 16 leaving us with just, while  on the right-hand side of the equation 33 will be divided by 16)

n =  \frac{33}{16}     = 2\frac{1}{16}

Therefore the number is  2\frac{1}{16}

5 0
3 years ago
Jason sells magazine subscriptions. The function f(n) = 2.5n + 75 models the amount of money that Jason earns each day, where n
Leviafan [203]

Answer:

A.)\ No,\ Jason\ was\ \$20\ under\ his\ goal

Step-by-step explanation:

Per\ day\ earning\ of\ Jason=2.5n+75\ \ \ \ \ \ \ \ where\ n\ is\ number\ of\ subscriptions\ Jason\ sells\\\\On\ a\ particular\ day\ Jason\ sold\ 42\ subscriptions\\\\\Rightarrow n=42\\\\Earning\ on\ that\ particular\ day=2.5\times 42+75\\\\Earning\ on\ that\ particular\ day=105+75\\\\Earning\ on\ that\ particular\ day=\$180\\\\180Correct\ option\ is\ A.\ No,\ Jason\ was\ \$20\ under\ his\ goal

7 0
3 years ago
How many degrees is 7/4 of a semicircle?
Alexxandr [17]

Answer:

315

Step-by-step explanation:

7/4 of 180°

= 1.75 * 180

= 315°

5 0
1 year ago
Describing transformations<br> pls help!! will mark u
Anettt [7]

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: Answer Moderated_Pasted From restricted website:

- Brainly Moniters:

4 0
2 years ago
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