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Paha777 [63]
2 years ago
13

What is the measure of cº? A. 7.5° B. 15 C. 30° D. 45

Mathematics
1 answer:
mylen [45]2 years ago
6 0

Answer:

x = 15

Step-by-step explanation:

The sum of the angles in a triangle is 180º

3x + 5x + 4x = 180

Combine like terms

12x = 180

Divide both sides by 12

x = 15

C = 5x

C = 5 * 15

C = 75º

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natulia [17]

Answer:

<em>A guideline is a statement by which to determine a course of action. A guideline aims to streamline particular processes according to a set routine or sound practice. </em>

8 0
2 years ago
Just some questions I need answered!<br><br> Solve 4z &gt; -6<br><br> Solve x + 19 &lt;= -5
Dmitriy789 [7]

4z>-6

divide by 4

z>-6/4

z>-3/2



x+19<= -5

subtract 19 from both side

x<= -24


7 0
3 years ago
What is the total surface area of the square pyramid? ​
harkovskaia [24]

Answer:

D

Step-by-step explanation:

A_1 = a^2 = 14^2 = 196

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5 0
3 years ago
Kwame bought a car for $25,000. The value of the car is decreasing at a rate of 6.5% each year. Write a function that represents
sweet-ann [11.9K]
<h3><u>The function that represents the price P of the car after x years is:</u></h3>

P = 25000(0.935)^x

<em><u>Solution:</u></em>

<em><u>The decreasing function is given as:</u></em>

y = a(1 - r)^t

Where,

y is future value

a is initial value

r is decreasing rate in decimal

t is time period

From given,

a = 25000

r = 6.5 \% = \frac{6.5}{100} = 0.065

number of years = x

future value = P

Therefore,

P = 25000(1 - 0.065)^x\\\\P = 25000(0.935)^x

Thus the function is found

8 0
3 years ago
Can somebody please help me ( picture above )
Mnenie [13.5K]

Answer:

D. A number of books and their cost that is not possible with either subscription.

Step-by-step explanation:

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Every point along these lines shows a price that could possibly be paid and a number of books that could be bought. The point where these two lines meet is where the amount of books borrowed and the price for those books is the same for both subscriptions.

Because point S is not at this intersection, nor is it on either of these lines, it is not possible to pay that price for that amount of books with either subscription.

7 0
3 years ago
Read 2 more answers
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