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3 years ago

Help meeeeeee 8(5g+5−2)

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

5 0

The answer is 40g + 24

frozen [14]3 years ago

4 0

8(5g+5−2)

8(5+3)

40g + 24

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When David counted his candy by fours, he had two leftovers. When he counted the same candy by fives he had one leftover. How ma

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

6 divided by 4 = 1 + 2 leftover

6 divided by 5 = 1 + 1 leftover

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4 years ago

Lyle bought 3/8 pound of Red grapes and 5/12 pound of green grapes.. How many pounds of grapes did he buy?

olga2289 [7]

Answer:

he bought 19/24 pounds of grapes totoal

Step-by-step explanation:

3/8 +5/12 = 19/24

common denominator is 24 for both of them so multiple 3/8 by 3 and 19/24 by 2

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3 years ago

The temperature, H, in degrees Celsius, of a cup of coffee placed on the kitchen counter is given by H = f(t), where t is in min

Deffense [45]

Answer:

f'(t) is negative

The unit is degC/min

At 35 minutes after the coffee was put on the counter, its temperature is 68 and will decrease by about 0.75 in the next 30 seconds.

Step-by-step explanation:

From the question we are told we are told that

The equation for the temperature of a cup of coffee place on a counter is

$H= f(t)$

Here t is the time in minutes the coffee was put on the counter

Generally f(t)' is the derivative of f(t) at it represents the change of the temperature of the cup of coffee with respect to time

Generally for the coffee placed on the counter after a couple of minutes the temperature will decrease hence f(t)' is negative

Generally the unit of the temperature is in degrees Celsius while that of time is in minutes

So the change in temperature with time f(35)' will be in degrees Celsius/minutes (i.e degC/min)

From the question we are told that

$|f(35)'| = 1.5$

i.e the rate of change of temperature after 35 minutes is 1.5

and

$|f(35)| = 68$

i.e the temperature of the cup of coffee after 35 minutes is 67 degC

Now after another t= 30 seconds = $\frac{30}{60}= 0.5 \ minutes$ the rate of change of the temperature of the cup of coffee is

$R = |f(35)'| * t$

=> $R = 1.5 * 0.5$

=> $R = 0.75$

At 35 minutes after the coffee was put on the counter, its temperature is 68 and will decrease by about 0.75 in the next 30 seconds.

5 0

3 years ago

which rule would apply to the expression w^2w^3. A.addition rule. B.power rule. C.distributive rule. D.quotient to difference ru

Free_Kalibri [48]

"Power rule" is the one rule among the following choices given in the question that would apply to the expression w^2w^3. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your desired help.

4 0

3 years ago

The flagpole in front of VHS 50 feet tall. The angle of elevation from the end of its shadow to the top of the flagpole is 46°.

mamaluj [8]

Answer:

The length of the shadow is 48.28 feet.

Step-by-step explanation:

The flagpole at its shadow form a 46, 44, 90 triangle.

Let AB be the flagpole. AC is the shadow.

Let's use the sine law to calculate AC.

$\frac{AC}{sin(44)}=\frac{50}{sin(46)}\\AC=\sin(44)*\frac{50}{sin(46)}AC=48.28$

5 0

3 years ago