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Artyom0805 [142]
3 years ago
5

Factor completely. 5x4 + 35x3– 150x2

Mathematics
1 answer:
Igoryamba3 years ago
3 0

5x^4+35x^3-150x^2

=  

5x^2(x-3) ---> (x+10)

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Find the measure of angle 7<br><br> Measure of angle 7= 2x + 15<br> Measure of angle 8= 3x
k0ka [10]
Assuming ∠6 and angle ∠8 are vertical angles, then 
<span>m∠6 = m∠8 </span>
<span>m∠6 + m∠7 = m∠7 + m∠8 = 180 </span>

<span>2x + 15 + 3x = 180 </span>
<span>5x = 165 </span>
<span>x = 33 </span>

<span>m∠7 = 2(33)+15 = 81 </span>
<span>m∠8 = 3(33) = 99 </span>

<span>m∠6 = m∠8 = 99 </span>
7 0
3 years ago
Chucky grabbed 11 1111 items in the grocery store that each had a different price and had a mean cost of about $ 4.44 $4.44dolla
maria [59]

Question:

Chucky grabbed 11 items in the grocery store that each had a different price and had a mean cost of about $4.44. On his way to the register, he gave in to an impulse to add a 12th item: an entire wheel of cheese that cost $39.99.

How will adding the wheel of cheese affect the mean and median?

Answer:

There will be a big difference in the mean when the new item is added

Step-by-step explanation:

Given

Items = 11

Mean = \$4.44

Before we solve further, we need to first calculate the total amount of the 11 items.

Mean = \frac{Total}{Items}

Make Total the Subject of formula

Total = Mean * Items

Total = \$4.44 * 11

Total = \$48.84

When the 12th item of $39.99 is added, the new mean becomes.

New\ Mean = \frac{Total + \$39.99}{11 + 1}

New\ Mean = \frac{\$48.84 + \$39.99}{11 + 1}

New\ Mean = \frac{\$88.83}{12}

New\ Mean = \$7.4025

By comparing this the old mean, we can see a huge increment between $4.44 and $7.4025

This means that there will be a big difference in the mean when the new item is added.

For the Median:

The old mean shows that the prices of the 11 items is within a small range from $4.44.

So, when the new item is added the median will only change a little bit.

In other words, the median value will only change a little bit.

7 0
3 years ago
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Jim is riding his bike home from school. the school is 9 miles from his house and he rides his bike at a constant speed of 12 mi
Natalka [10]

Answer:

I think that it would be d because 9 is 3/4 of 12 and 45 is 3/4 of 60

4 0
3 years ago
1/5 ( 15 + 10k ) = please help and make sure your answer is accurate.
astra-53 [7]
The answer is 3 + 2k

This is because multiplying by 1/5 is like dividing each term by 5

10k + 15 = 5 • (2k + 3)

8 0
2 years ago
Please I really need help with this
ipn [44]
You would do 4-2= 2 then 8/2 =4 .. final answer being 4
4 0
3 years ago
Read 2 more answers
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