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3 years ago

Please help!! Im bad at this

Mathematics

1 answer:

GuDViN [60]3 years ago

3 0

Answer:

Step-by-step explanation:

This is proportional because the number of calories burned is directly proportional to the amount of time spent on the treadmill

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If s(x)=x-7 and t(x)=4x^2-x+3 which expression is equivalent to (txs)(x)?

gogolik [260]

For this case we have by definition that:

$(f * g) (x) = f (x) * g (x)$

In this case we must find $(t * s) (x),$ so:

( $(t * s) (x) = t (x) * s (x) = (4x ^ 2-x + 3) * (x-7) =$

We must apply distributive property that states that:

$(a + b) (c + d) = ac + ad + bc + bd$

So:

$(4x ^ 2-x + 3) * (x-7) = 4x ^ 3-28x ^ 2-x ^ 2 + 7x + 3x-21 = 4x ^ 3-29x ^ 2 + 10x-21$

Answer:

$4x^3-29x^2+10x-21$

7 0

4 years ago

the gross monthly salary of a manager is $5875. Calculate her net annual salary after deductions of $976 were made monthly

Sergio039 [100]

Answer:

Her net annual salary is of $58,788

Step-by-step explanation:

The gross monthly salary is the salary earned before deductions are applied.

The net monthly salary is the salary after deductions are applied.

In this problem:

Gross monthly salary of a manager is $5875.

Deductions of $976

So net monthly salary = 5875 - 976 = $4899

Net yearly salary:

An year has 12 months. So

12*$4899 = $58,788

Her net annual salary is of $58,788

7 0

3 years ago

At noon on the moon the at noon on the moon the temperature was 235 degrees by midnight the temperature had dropped 485 degrees

Pavel [41]

Temperature at mid-night
=235+(-485)
=-250 degrees, whatever the unit was (C,F, R, K).

7 0

4 years ago

NARA [144]

Answer:

A) slope = p/q

Step-by-step explanation:

Slope of any given can be found using the formula, $\frac{rise}{run} = \frac{y_2 - y_1}{x_2 - x_1}$ .

In this case, using similar triangles, the rise over the run of any of the given similar triangles will give us the slope of line AB.

This means, slope of line AB would be:

$\frac{rise}{run} = \frac{m}{n} = \frac{p}{q}$ .

✅Therefore, slope of line AB = p/q

6 0

3 years ago

Please Solve: 7(5 + x) = -14

oksano4ka [1.4K]

7(5 + x) = -14

7 x 5 = 35

So 35+7x=-14 divide through by 7 first

5+x=-2

X=-7

6 0

4 years ago