A trucking company is hired to take 462 glass candles to a gift shop. The gift shop will pay the trucking company a $100 fee, pl

us $1.50 for every glass candle that is delivered safe. The trucking company must pay the gift shop $4 each for any glass candles that are broken. If two glass

Mathematics

1 answer:

Otrada [13]3 years ago

3 0

$100 + 150 = 250 - 4 = 254$

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Leanne multiplied 8 x 4.3 and got 32.24. Is Leanne correct?Use an area model to explain your answer

dlinn [17]

Answer:

No, not correct.

Step-by-step explanation:

Note that 8 * 4.3 can be broken up as follows:

8 * (4 + 0.3)

and that 4*8 =32, and that 0.3(8) = 2.4 (not 0.24).

Then 8 * (4 + 0.3) becomes 32 + 2.4 = 34.4

3 0

3 years ago

Please help me solve this (ASAP)

joja [24]

Since complementary angles add to 90°, (4x - 1) and (5x + 19), also add to 90°.

Thus, lets form an equation:

90 = 5x + 19 + 4x - 1
72 = 9x
x = 9

Thus, the measure of angle B is 64°.

7 0

3 years ago

Read 2 more answers

f(x) = x4 - 50x2 + 3 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.)

shtirl [24]

Answer:

(-5, 0) ∪ (5, ∞)

Step-by-step explanation:

I find a graph convenient for this purpose. (See below)

When you want to find where a function is increasing or decreasing, you want to look at the sign of the derivative. Here, the derivative is ...

f'(x) = 4x^3 -100x = 4x(x^2 -25) = 4x(x +5)(x -5)

This has zeros at x=-5, x=0, and x=5. The sign of the derivative will be positive when 0 or 2 factors have negative signs. The signs change at the zeros. So, the intervals of f' having a positive sign are (-5, 0) and (5, ∞).