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Nimfa-mama [501]

3 years ago

14

Can someone please help me with this question?? It’s really hard and once you understand it, can you please give me an explanati

on? Thanks so much!!
( number:7)

1 answer:

maksim [4K]3 years ago

7 0

The final answer would be -10x + 2

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Pls help I’ve been stuck on this forever!!

andrew-mc [135]

Answer:

triangles always add up to 180 degrees on the interior and because it has equal sides and angles, the triangle is equalateral.

4 0

3 years ago

Find the length of the base of a square pyramid if the volume is 48 cubic inches and has a height of 9 inches.

Nata [24]

The answer to your question, is 4 inches
hope this helps :D

5 0

3 years ago

Which of the following symbols will make a true sentence when inserted in the blank? 4/15___0.26

Sauron [17]

Answer:D

Step-by-stepA explanation: if you simply the fraction by 4/15. The answer is 0.26

The solution is equal to both numbers.

3 0

3 years ago

U guys are crazy awesome 7.04 Q13

finlep [7]

Answer:

5088

Step-by-step explanation:

The initial value of the car is $19340

The rate of decrease is 12.5%

The value of the car after 10 years is given by

$A=P(1-r\%)^n$

Substitute the values to get;

$A=19340(1-12.5\%)^{10}$

$\Rightarrow A=19340(1-12.5\%)^{10}$

$\Rightarrow A=19340(1-0.125)^{10}$

$\Rightarrow A=5087.88$

To the nearest dollar we have $5088

The correct answer is choice C

7 0

3 years ago

Read 2 more answers

You have just completed an experiment measuring the length (in mm) of 12 soybean plants after 3 days of sprouting. The measureme

sweet-ann [11.9K]

Answer:

The new IQR is 22.

Step-by-step explanation:

We are given the following data of length (in mm) of 12 soybean plants after 3 days of sprouting.

53, 47, 51, 54, 43, 39, 61, 57, 55, 46, 44, 43

Sorted data:

39, 43, 43, 44, 46, 47, 51, 53, 54, 55, 57, 61

Formula:

$IQR = Q_3 - Q_1\\Q_3 = \text{upper median},\\Q_1 = \text{ lower median}$

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

$Median ==\dfrac{6^{th}+7^{th}}{2} \dfrac{47+51}{2} = 49$

$Q_1 =\dfrac{3^{rd}+4^{th}}{2} = \dfrac{43 + 44}{2} = 43.5\\\\Q_3 =\dfrac{9^{th}+10^{th}}{2}= \frac{54 + 55}{2} = 54.5$

IQR = $Q_3 -Q_1 =54.5-43.5= 11$

If every measurement is doubled, then, the IQR will also double itself.

Thus,

New IQR =

$2\times \text{IQR}\\=2\TIMES 11\\=22$

Thus, the new IQR is 22.

4 0

3 years ago