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Black_prince [1.1K]
3 years ago
13

What percent of 4 is 7?

Mathematics
2 answers:
Maurinko [17]3 years ago
6 0
175% is the answer for this problem.
Nataly [62]3 years ago
3 0

Answer:

7/4= 175%

hope this helps

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HELP WILL GIVE BRAINLIEST! RATE AND SAY THANKS!!
garri49 [273]

Step-by-step explanation:

Density  \: of \:  pyramid  \\  \\  =  \frac{mass}{volume}  \\  \\  =  \frac{50}{4 \times 8 \times 10}  \\  \\  =  \frac{5}{32}  \\  \\  = 0.15625 \: gm \:  {cm}^{ - 3}  \\  \\  \approx \: 0.156 \: gm \:  {cm}^{ - 3}  \\

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3 years ago
On top of a hill, a rocket is launched from a distance 80 feet above a lake. The rocket will fall into the lake after its engine
Free_Kalibri [48]
The maximum height is 144 feet.

The maximum height is the y-coordinate of the vertex.  To find the vertex, we first use x = -b/2a.  For our information, that is x=-64/2(-16) = -64/-32 = 2.

Now we substitute this into the equation:
y = -16(2²) + 64(2) + 80 = -64 + 128 + 80 = 144
3 0
3 years ago
Find the slope of the line passing through the pairs of points and describe the line as rising, falling, horizontal or vertical.
Anna [14]

Answer:

a.\ m=2,\ \text{the line is rising}\\\\b.\ m=-\dfrac{5}{4},\ \text{the line is falling}\\\\c.\ m=0,\ \text{the line is horizontal}\\\\d.\ m\ is\ unde fined,\ \text{the line is vertical}

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

If

m > 0, then a line is rising

m < 0, then a line is falling

m = 0, then a line is horizontal

m is undefined, then a line is vertical

<h2>a.</h2>

(2, 1) and (4, 5)

m=\dfrac{5-1}{4-2}=\dfrac{4}{2}=2>0\to\text{rising}

<h2>b.</h2>

(-1, 0) and (3, -5)

m=\dfrac{-5-0}{3-(-1)}=\dfrac{-5}{4}=-\dfrac{5}{4}

<h2>c.</h2>

(2, 1) and (-3, 1)

m=\dfrac{1-1}{-3-2}=\dfrac{0}{-5}=0\to\text{horizontal}

<h2>d.</h2>

(-1, 2) and (-1, -5)

m=\dfrac{-5-2}{-1-(-1))}=\dfrac{-7}{0}\ \text{UNDEFINED}\to\text{vertical}

7 0
3 years ago
A runner is running a 10 km race. It takes her 17.5 minutes to reach the 2.5 km mark. At that rate, how long will it take her to
Alinara [238K]

Answer:

At her current rate it will take here 70 minutes to finish the race


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3 years ago
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Suppose you invest $20,000 at the age of 40, and agree to start receiving
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Answer:

a

Step-by-step explanation:

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3 years ago
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