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daser333 [38]
3 years ago
10

The ratio of boys to girls in Ms. Jefferson's class is 3 to 4. There are 16 girls in the

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer: 28

Step-by-step explanation:

there are 3 boys for every 4 girls, so 4 times 4 is equal to 16. Now just multiply 3 times 4. 16 + 12 = 28.

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What is the answer will mark as branliest
zzz [600]

Answer:

∠MON = 57°

Step-by-step explanation:

∠LOM +  ∠MON = ∠LON ← substitute values

3x + 20 + 2x + 33 = 113, that is

5x + 53 = 113 ( subtract 53 from both sides )

5x = 60 ( divide both sides by 5 )

x = 12

Hence

∠MON  = 2x + 33 = (2 × 12) + 33 = 24 + 33 = 57°

4 0
3 years ago
Find the limit............​
liubo4ka [24]

Answer: -\frac{9}{x^2}

====================================================

Work Shown:

\displaystyle \lim_{\Delta x \to 0^{+}} \frac{\frac{9}{x+\Delta x} - \frac{9}{x}}{\Delta x}\\\\\\\displaystyle \lim_{\Delta x \to 0^{+}} \frac{\frac{9x}{x(x+\Delta x)} - \frac{9(x+\Delta x)}{x(x+\Delta x)}}{\Delta x}\\\\\\\displaystyle \lim_{\Delta x \to 0^{+}} \frac{\frac{9x-9(x+\Delta x)}{x(x+\Delta x)}}{\Delta x}\\\\\\\displaystyle \lim_{\Delta x \to 0^{+}} \frac{9x-9x-9\Delta x}{x\Delta x(x+\Delta x)}\\\\\\

\displaystyle \lim_{\Delta x \to 0^{+}} \frac{-9\Delta x}{x\Delta x(x+\Delta x)}\\\\\\\displaystyle \lim_{\Delta x \to 0^{+}} \frac{-9}{x(x+\Delta x)}\\\\\\\displaystyle \frac{-9}{x(x+0)}\\\\\\\displaystyle -\frac{9}{x^2}\\\\\\

The trick here is to first simplify the expression so that the \Delta x term in the very lower denominator cancels out. This is to avoid dividing by zero. Once this division by zero error is avoided, we can replace the delta x term with 0 and evaluate the limit as \Delta x approaches 0 from the right or positive direction.

5 0
3 years ago
Is it possible to subtract a loss from a positive number and result in a negative number?
Anon25 [30]

Answer:

yes that's possible for example -3-5=-8

5 0
3 years ago
Item 6 Find the amount of time. I=$30, P=$500, r=3% The amount of time is years.
GREYUIT [131]
Use the interest formula, fill in the given numbers, and solve for the remaining value.
.. I = Prt
.. 30 = 500*.03*t . . . . . substitute the given values
.. 30/15 = t = 2 . . . . . . . divide by the coefficient of t and evaluate

The time is 2 years.
7 0
3 years ago
Farmer Brown needs to fertilize his hay pasture before spring arrives. He knows that the perimeter of his pasture is 1000 feet a
Pavlova-9 [17]

Answer: 40 bags


Step-by-step explanation:

Given: The dimension of farmers pasture is 1000 feet by 200 feet.

The area of pasture= 1000\ feet\times200\ feet=200,000\ feet^2

Since, area covered by 1 bag of fertilizer= 5000 square feet

Therefore, the amount of fertilizer required for 1 square feet of area= \frac{1}{5000}\ of\ bag

The amount of fertilizer required for 5000 square feet of area= 200,000\times\frac{1}{5000}

Therefore, the amount of fertilizer required for 5000 square feet of area= 40 bags

6 0
3 years ago
Read 2 more answers
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