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3 years ago

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Mathematics

1 answer:

Inessa [10]3 years ago

8 0

Divide the volume value by 1000, which is 0.194 .

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The length of a rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3 cm/s. When the length is 2

Aloiza [94]

Answer:

Step-by-step explanation:

let length=l

width=w

Area A=lw

$\frac{dA}{dt}=l \frac{dw}{dt}+w \frac{di}{dt}\\\frac{dl}{dt}=8 cm/s\\\frac{dw}{dt}= 3 cm/s\\\frac{dA}{dt}=20 \times 3+10 \times 8=60+80=140 cm ^{2} /s$

8 0

3 years ago

Describe the zero product property and explain how tu use it to solve (2x + 10) (x - 7) = 0

Korolek [52]

Answer:

See below

Step-by-step explanation:

Basically, when you have a product to two factors set equal to 0, you can use the Zero Product Property and make two separate equations, both set equal to 0, to find the roots for each factor:

$2x+10=0\\2x=-10\\x=-5$

$x-7=0\\x=7$

Notice that by plugging these roots back into the equation, either factor will be 0, making the whole expression 0:

$(2x+10)(x-7)=0\\(2(7)+10)(7-7)=0\\(24)(0)=0\\0=0$

$(2x+10)(x-7)=0\\(2(-5)+10)(-5-7)=0\\(0)(-12)=0\\0=0$

8 0

2 years ago

In a game of checkers, there are 12 black pieces and 12 red pieces. What is the probability that the first piece is red and the

Vilka [71]

Answer:

50/50

Step-by-step explanation:

4 0

3 years ago

Mary says the pen for her horse is an acute right triangle. Is this possible? EXPLAIN!!!

exis [7]

we know that

An acute triangle is a triangle with all three angles acute (less than $90\°$ ).

An obtuse triangle is one with one obtuse angle (greater than $90\°$ ) and two acute angles.

A right triangle is one with one right angle (angle equal to $90\°$ ) and two acute angles.

therefore

The answer is

Is not possible

8 0

3 years ago

Read 2 more answers

14х – бу = 66 Find the slope and y intercept

Pepsi [2]

Answer:

Slope: 7/3 | Y Intercept: -11

Step-by-step explanation:

To translate this equation into a slope-intercept form equation, we can subtract 14x on both sides. This leaves us with: -6y = -14x + 66.

Now, all that is preventing us from putting it into the correct from is -6, so we can simply divide -6 on both sides. Using this operation, we get: y = 14x/6 + -11. The coefficient of x in this problem stands for slope, so the slope is: 14/6 or 7/3. The constant stands for y intercept, so that is -11.

Hope you understood and do well!

4 0

4 years ago