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3 years ago

A rule for a sequence of numbers is given.

Mathematics

1 answer:

Sliva [168]3 years ago

6 0

D u got to add a lil bit and that you do division

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What is the sum of the polynomials?

Allisa [31]

Answer:

$( - {x}^{2} + 9) + ( - 3 {x}^{2} - 11x + 4) \\ - {x}^{2} + 9 - 3{x}^{2} - 11x + 4 \\ = - 4 {x}^{2} - 11x + 13$

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3 years ago

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How do you write 10% as a fraction in simplest form?

BabaBlast [244]

1/10 is the answer for this!

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3 years ago

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The height of a triangular window is 3 feet less than its base. The area the window is 20 ft.? find the dimensions of the window

Ivenika [448]

Let us assume base of the window = b feet.

Height is 3 feet less than base, that is = (b-3).

Given area of the triangle = 20 feet square.

We know formula for area of a triangle:

Area = $\frac{1}{2}$ × Base × Height

Plugging values in formula, we get

20 = $\frac{1}{2} b \times (b-3)$

$\mathrm{Multiply\:both\:sides\:by\:}2$

$40=b\left(b-3\right)$

$40=b^2-3b$

$b^2-3b-40=0$

Factoring quadratic, we get

$\left(b+5\right)\left(b-8\right)$ =0

b+5=0

b=-5

b-8=0

b=8.

For base we can take only positive value.

<h3>Therefore, base of the triangle = 8 feet and height = 8 -3 = 5 feet.</h3>

6 0

3 years ago

Carlos is an administrative assistant at an insurance agency. He wants to gather feedback from customers on their service. He do

motikmotik

Answer: b) Surveys

When a person does not have enough time he must should take the faster and effective route in this case carlos does not have time for individual interviews or phone calls. Focus group is not used to get feedback it is to discuss about data before a item is launched. Therefore it should be survey because it is used to collect feedback from large amount of people.

Must click thanks and mark brainliest

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3 years ago

6. Find QR, if area and altitude PS of ∆PQR are given<br> ar(∆PQR) = 180 cm2, PS = 15

Slav-nsk [51]

Given:

Area and altitude PS of ∆PQR are ar(∆PQR) = 180cm² and PS = 15.

To find:

The measure of side QR.

Solution:

According to the given information, PS is an altitude of ∆PQR. It means QR is the base of ∆PQR.

We know that, the area of a triangle is