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Sergeu [11.5K]
3 years ago
10

Help me please with math

Mathematics
1 answer:
Digiron [165]3 years ago
3 0

Answer:

The average rate will be:  0.7 inches/hour

Hence, Option (4) is correct.

Step-by-step explanation:

As the average rate = change in y-values/change in x values

                                 = Δy/Δx

From the table, it is clear that over the time interval 't=2' to 't=7', the values

snow depth 'd' inches change from d=1.5 to d=5.

Therefore,

Average rate = Δy/Δx

                      = (5-1.5) / (7-2)

                      = 3.5/5

                      = 0.7 inches/hour

Therefore, the average rate will be:  0.7 inches/hour

Hence, Option (4) is correct.

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A circle has its center at the origin, and (5, -12) is a point on the circle. How long is the radius of the circle?
kolezko [41]
(x-center)^2+(y-center)^2=r^2
x^2+y^2=r^2
(5)^2+(-12)^2=r^2
25+144=r^2
169=r^2
r=13
5 0
3 years ago
Read 2 more answers
What is the absolute value equation that has the solution x= -10 and x= -5
Anna11 [10]
the answer is
-10 times- 5
3 0
4 years ago
(1) 4p²q : 10pq²
tiny-mole [99]

Answer: (1) 2p: 5q.

(2) 3:10.

(3) 5:6.

Step-by-step explanation:

To find : Ratio

(1) 4p²q : 10pq²

=\dfrac{4p^2q}{10pq^2}\\\\=\dfrac{2p^{2-1}}{5q^{2-1}}\\\\=\dfrac{2p}{5q}

i.e. Simplified ratio of 4p²q : 10pq²  is 2p: 5q.

(2) 9 months : 2½ years

1 year = 12 months

2\dfrac{1}{2}\text{years}=\dfrac{5}{2}\text{years}\\\\=\dfrac{5}{2}\times12=30\text{ months}

Now, 9 months : 2½ years = \dfrac{9\text{ months}}{30\text{ months}}=\dfrac{3}{10}

Hence, Simplified ratio of 9 months : 2½ years is 3:10.

(3) 5 m : 600 cm

1 m = 100 cm

So, 5m = 500 cm

Now, 5 m : 600 cm = \dfrac{500\ cm}{600\ cm}=\dfrac{5}{6}

Hence, Simplified ratio of  5 m : 600 cm  is 5:6.

7 0
3 years ago
MARKING BRAINLIST | What is the value of y?
Alex17521 [72]

Answer: y = 5

Step-by-step explanation:

This triangle is isosceles.

So, ∠ABC = ∠ACB = 75°

Now,

sum of interior angles of a triangle = 180°

∠ABC + ∠ACB + ∠BAC = 180°

75° + 75° + (4y + 10)° = 180°

160° + 4y° = 180°

4y° = 20°

y = 5

4 0
3 years ago
HELP IM DOING THE TEST
enyata [817]

Answer:

The slope of the line that contains the points (-1, 2) and (4, 3) is:

  • Slope = m =  1 / 5        

Step-by-step explanation:

Given the points

  • (-1, 2)
  • (4, 3)

Finding the slope between (-1, 2) and (4, 3)

\left(x_1,\:y_1\right)=\left(-1,\:2\right),\:\left(x_2,\:y_2\right)=\left(4,\:3\right)

Using the formula

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [3 - 2] / [4 - (-1)]

               = 1 / 5                  

Thus, the slope of the line that contains the points (-1, 2) and (4, 3) is:

  • Slope = m =  1 / 5            
3 0
3 years ago
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