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3 years ago

15

Mrs. Burch has 9 dimes and some quarters in her pocket. The value of her coins is $3.65. Which equation can be used to find the

number of quarters, q, Mrs. Burch has in her pocket?

1 answer:

ddd [48]3 years ago

6 0

I believe it’s the 3rd one

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Evaluate and simplify the expression<br> when a = 4 and b = -1.

Gwar [14]

Answer:

$\frac{3}{2}$

Step-by-step explanation:

$\frac{5 - 2(a + 3b)}{2}$

<em>substitute a = 4 and b = -1</em>

$= \frac{5 - 2(4 + 3( - 1))}{2}$

<em>expand </em><em>and </em><em>simplify </em><em>the </em><em>numerator </em>

$= \frac{5 - 2(4 - 3)}{2}$

$= \frac{5 - 2(1)}{2}$

$= \frac{5 - 2}{2}$

$= \frac{3}{2}$

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4 years ago

Please help me i will give BRAINLIEST<br> help

SSSSS [86.1K]

Answer:

A) T and R

B) <SQR or <RQS

C) Q

Step-by-step explanation:

A) The sides of a angle are the end points which are T and R in this case.

B) Angle 2 has S and R and its end points. And the vertex which is Q is always in the middle, so the angle is <SQR and <RQS

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3 years ago

Part A: Eveline rented a car at $180 for 4 days. If she rents the same car for 9 days, she has to pay a total rent of $325. Writ

QveST [7]

Answer:

Step-by-step explanation:

Part A

We will use the slope intercept form of the line and then convert later.

Equation

y = mx + b is the general form

Givens

Two data points

(4,180)

(9,325)

Solution

325 = 9x + b

<u>180 = 4x + b</u> Subtract

145 = 5x Divide by 5

145/5 = 5x/5 Do the division

29 = x This represents the cost / day

180 = 4x + b Substitute x = 29 to find b

180 = 4*29 + b Combine

180 = 116 + b Subtract 116 from both sides.

180 - 116 = b

64 = b

Solution for y = mx + b

y = 29x + 64

In Standard form this is

- 29x + y = 64 But the first number must be plus

29x - y = - 64 <<<< Answer A

Part B

y = 29x + 64

f(x) = 29x + 64

Part C

The graph is shown below. Various points are filled in using y = 29x + 64. The y intercept is (0,64) which is labeled. Let x = 1 , 2, 3, 4, ... 10 (which is arbitrary). This may be more easily done on a spreadsheet if you know how to use one to make graphs.

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3 years ago

Discuss how surface area and volume play a role in marketing products, such as advantages and disadvantages. Give specific examp

lubasha [3.4K]

Big packages drives you to the illusion that the contents are bigger or better which is actually not possible.Even garbage can fill up a huge truck.
<span>Selling something with more volume means you get more for the money. </span>
<span>Advantage of marketing something as bigger helps you to get them to buy more than the usual.Its a technique to sell more items. </span>
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3 years ago

A triangle has one leg that measures 12 cm and a hypotenuse 24 cm. Find the length of the other leg to the nearest tenth of cent

Minchanka [31]

9514 1404 393

Answer:

20.8 cm

Step-by-step explanation:

The term "hypotenuse" suggests this triangle is a right triangle. Then the other leg can be found using the Pythagorean theorem:

x^2 +12^2 = 24^2

x^2 = 576 -144 = 432

x = √432 ≈ 20.8 . . . cm

The other leg is about 20.8 cm.

_____

<em>Additional comment</em>

A right triangle with a short leg that is 1/2 the length of the hypotenuse is the "special" 30°-60°-90° right triangle. The longer leg is √3 times the length of the short leg: 12√3 ≈ 20.8 cm.

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2 years ago