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V125BC [204]
4 years ago
7

What ya the value of k? A B C D

Mathematics
1 answer:
sveta [45]4 years ago
7 0
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Angles on a straight line equal 180 degrees:

5k - 3 + 9 + k = 180

Simplify:

6k + 6 = 180

Subtract 6 from both sides:

6k = 174

Divide both sides by 6:

k = 29

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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The marks of Riju in Mathematics test increased from 20 to 30. What is the percentage of increase?
lukranit [14]

Answer:

hope it is helpful

Step-by-step explanation:

10 is the increase in number

orignal vale is 20

so

increase %=increase in orignal value/orignal value ×100

=10/20×100=50%

6 0
3 years ago
If you add 0.5, then and half of that, then add half of that again, (and so on) will you ever get to 1?
UkoKoshka [18]

Answer:

only after you have done this an infinite amount of times, so, no not really.

Step-by-step explanation:

This is a geometric series also used in Zeno's paradox: Achilles and the tortoise.

3 0
3 years ago
My photo is 8". If I want to reduce it by 12% five times. What is the size of my photo?
arlik [135]
To reduce a number by 12% we can simply multiply it by 0.88. If we repeat this 5 times we get 8, 7.04, 6.1952, 5.451776, 4.79756288, 4.2218553344.

We end up with 4.2218553344.

I think this is right.
3 0
3 years ago
Find the minimum value of the function f(x) = 0.9x2 + 3.42 – 2.4 to the nearest<br><br> hundredth.
Olenka [21]

This question was not written properly

Complete Question

Find the minimum value of the function f(x) = 0.9x² + 3.42x - 2.4 to the nearest

hundredth.

Answer:

The minimum value for the function:

f(x) = 0.9x² + 3.42x - 2.4 is (-1.9, -5.65)

Step-by-step explanation:

Our quadratic equation =

ax² + bx + c

f(x) = 0.9x² + 3.42x - 2.4

The minimum value of x formula=

x = -b/2a

a = 0.9

b = 3.42

x = -3.42/2 × 0.9

x = -3.42/1.8

x = -1.9

We input the value x in order to get the minimum value of y

f(x) = y

f(x) = 0.9x² + 3.42x - 2.4

f(-1.9) = 0.9(-1.9)² + 3.42(-1.9) - 2.4

= 3.249 - 6.498 - 2.4

=3.249 - 8.898

= -5.649

Approximately to the nearest hundredth = -5.65

Therefore, the minimum value for the function:

f(x) = 0.9x² + 3.42x - 2.4 is (-1.9, -5.65)

8 0
3 years ago
Which of the following is the function represented
ale4655 [162]

Answer:

the last (4th) option

Step-by-step explanation:

the easiest way to find the right answer :

which of the 4 answers would deliver infinity for x = 5 ?

and that is only answer 4, as x = 5 creates 0 in the denominator of the fraction, which leads to the infinity break at that point in the functional curve.

other indications :

the smaller x, the more the denominator goes to -infinity, and the bigger x, the more the denominator goes to +infinity.

and that means the whole fraction goes to 0. and we are left for the function limit with the constant added at the end of the function.

looking at the graph, this has to be +3.

and again, only the 4th answer has "+3" at the end.

5 0
2 years ago
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