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kiruha [24]
3 years ago
9

(50 Points & Brainliest)

Mathematics
2 answers:
RUDIKE [14]3 years ago
8 0

Answer:

16x-8

Step-by-step explanation:

We need to calculate the total time. We are given two functions that when summed up will give you total time.

(f + g)(x) = 5x - 7 + 11x - 1 \\  = 16x - 8

astraxan [27]3 years ago
5 0

Answer:

(f + g)(x) = 16x − 8

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

= 5x - 7 + 11x - 1

= 16x - 9

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For y- 6x= 11, which value represents the slope of a line perpendicular to the equation?
Lostsunrise [7]
Y=6x-11
the slope of the original line is 6. the slope of a line perpendicular would be a negative inverse, so the slope of the perpendicular line is -1/6
4 0
4 years ago
Kamala gave rs 1,50,000 to her friend.She gave currency notes of denomination Rs. 50,Rs.100,Rs.500 in the ratio 4:3:5.How many n
vivado [14]

Answer  

Find out the how many notes of each denomination did she give .

To prove

Let us assume that x be the scalar multiplication of the Rs 50, Rs100,Rs500 curreny notes.

As given

Kamala gave Rs 1,50,000 to her friend.

She gave currency notes of denomination Rs. 50,Rs.100,Rs.500 in the ratio 4:3:5.

Rs50 currency note gave in the denomination = 4x

Rs100 currency note gave in the denomination = 3x

Rs500 currency note gave in the denomination = 5x

than the equation becomes

4x + 3x + 5x = 150000

12x = 150000

x = \frac{150000}{12}

x = 12500

Thus

Rs50 currency note gave in the denomination = 4 × 12500

                                                                             = 50000

Rs100 currency note gave in the denomination = 3 × 12500

                                                                             = 37500

Rs500 currency note gave in the denomination = 5 × 12500

                                                                             = 62500


4 0
4 years ago
Which represents the solution set of 5(x+5) < 857
____ [38]

Answer:

Step-by-step explanation:

x < 12

8 0
4 years ago
The null hypothesis for a two-tailed repeated-measures test states: Group of answer choices The entire population will have a me
zubka84 [21]

Answer:

The entire population will have a mean difference of μD = 0.

Step-by-step explanation:

This case is a null hypothesis for a test of repeated measures of two tails. The general null hypothesis is a hypothesis of no difference. We must find the differences of each pair and then find the mean of these differences.

Under a null hypothesis it is established that the population mean of the differences is 0.

Therefore, the correct option is the entire population will have a mean difference of μD = 0 (first option).

Second option is incorrect: It considers the sample instead of the population.

Third option is incorrect: It says that the mean difference is different from zero.

Forth option is incorrect: It says that the mean difference is different from zero.

Hope this helps!

8 0
4 years ago
What is the solution to the system of equations below?<br> -20 + y = 2<br> 20 + 3y = 6
steposvetlana [31]
-20 + y = 2
y = 22

20 + 3y = 6
y = 14/3
4 0
3 years ago
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