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3 years ago

13

A science class began recording the height of a plant each day. On day 10, it was 20 cm tall. On day 35, it was 57.5 cm tall. Wh

at does the slope of this scenario represent?

2 answers:

Tasya [4]3 years ago

7 0

Answer:

The plant grew 1.5 cm each day.

Step-by-step explanation:

Simora [160]3 years ago

4 0

The plant grew 1.5 cm each day.

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The figure below shows parallelograms ABCE, PQRS, and TNLM on a coordinate plane.

MAVERICK [17]

Answer:

ML = √[¼ (EC)²]

Step-by-step explanation:

ML² = ½(QR)²

QR² = ½(EC)²

so, ML² = ¼ (EC)²

=> ML = √[¼ (EC)²]

8 0

3 years ago

Read 2 more answers

A van travelled at an average speed of 65km/hr from town A. A 35 minutes later a car started from town A ans drove along the sam

kobusy [5.1K]

Answer:

91.6 km/h

Step-by-step explanation:

Let v = average speed of van = 65 km/h and v' = average speed of car. Let t be the time the car starts to move. The van started 35 minutes earlier at t' = (t + 35/60) h.

Since distance d = vt where v = velocity and t = time, the distance moved by the van d = vt' = v(t + 35/60) and that moved by the car is d' = v't.

Since the car catches up with the van after it had moved a distance of 130 km, d = d' = 130 km.

So d = v(t + 0.583)

Substituting d = 130 km and v = 65 km/h, we have

130 km = 65 km/h(t + 0.583)

130 km = (65t + 37.895 )km

subtracting 37.895 from both sides, we have

130 km - 37.895 km = 65t

92.105 = 65t

dividing both sides by 65, we have

t = 92.105/65

= 1.417 h

≅ 1.42 h

Since d = d' = v't,

v' = d'/t

= 130 km/1.42 h

= 91.55 km/h

≅ 91.6 km/h

So, the average speed of the car is 91.6 km/h

5 0

3 years ago

Is the following sequence arithmetic? If so, what is the common difference?

Vsevolod [243]

Given:

The sequence is

1, 2, 4, 8, 16, ...

To find:

Whether the given sequence is arithmetic or not. If yes, then find the common difference.

Solution:

We have,

1, 2, 4, 8, 16, ...

Difference between consecutive terms are

$d_1=a_2-a_1$

$d_1=2-1$

$d_1=1$

Similarly,

$d_2=a_3-a_2$

$d_2=4-2$

$d_2=2$

Since, $d_1\neq d_2$ , therefore the given sequence have no common difference between consecutive terms.

So, the given sequence is not arithmetic.

Therefore, the correct option is c.

7 0

3 years ago

A trail mix recipe calls for 2/3 cup almond and 5/8 cup raisins. Blake tripled the almonds and doubled the raisins. Part A :How

crimeas [40]

A. 1 cup and 1/3
B. 2
C. 2 bags of almonds and also 2 bags of raisins

4 0

3 years ago

Heath has 10 pennies in his piggy bank initially. He doubles the number of pennies in his piggy bank each day for five days. wri

vaieri [72.5K]

Answer:

y = 10 * 2^x

OR

y(5) = 10 * 2^5

Day 0 = 10 pennies: Point(0, 10)

Day 1 = 20 pennies: Point(1, 20)

Day 2 = 40 pennies: Point(2, 40)

Day 3 = 80 pennies: Point(3, 80)

Day 4 = 160 pennies: Point(4, 160)

Day 5 = 320 pennies: Point(5, 320)

Step-by-step explanation:

Heath has 10 pennies, so pennies = 10.

He doubles the number of pennies each day, so total pennies = 10 * 2 to the power of # of days.

Using the equation y = 10 * 2^x will give you the answer for any number of days. Since the problem asks for 5 days, you plug in 5 for x. On the graph, this would be a single point (5, 320).

So, plot the 6 points you have and connect a curved line through it. That should be your answer.

5 0

4 years ago