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SpyIntel [72]
2 years ago
8

Find a. (f+ g)(x) b. (f+g)(7). f(x) = 5x +2, g(x) = 5x – 1 a. (f+g)(x)=

Mathematics
1 answer:
jonny [76]2 years ago
4 0
Answer:
A. 10x + 1
B. 71
(WORK SHOWN BELOW)

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Using the side lengths of △PQR and △STU, which angle has a sine ratio of 4/5?
marishachu [46]

Given the two triangles, and the sine ratio formula is equal to:

Sin(x) = O/H

Where x is one angle of the triangle

O is the opposite side of the angle x

H is the hypotenuse of the triangle

 

To solve this we have to fine O/H = 4/5

So the answer is

Sin (P) = 16/20 = 4/5

<span>So angle P has the sine ratio of 4/5</span>

8 0
3 years ago
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21. please and thank you
olga2289 [7]

16 is the answer just add

8 0
3 years ago
An item cost $480 before tax , and tge sales tax is $9.60
elena-s [515]

Answer:

0.02 ; 2%

Step-by-step explanation:

Given :

Cost of item = $480

Tax amount on item = $9.60

The sales tax rate = tax amount on item / cost of item

Sales tax rate = $9.60 / $480 = 0.02

As a percentage :

0.02 * 100% = 2%

7 0
3 years ago
The distribution of heights of young women aged 18 to 24 is approximately normal with a mean of 64.5 inches and a standard devia
Lena [83]
The 68 - 95 - 99.7 rule, gives the basis to solve this question.

It says that for a normal distribution 95% of the results are between the mean minus 2 standard deviations and the mean plus 2 standard deviations.

Here:
mean = 64.5 inches,
standard deviaton = 2.5 inches

mean - 2 standard deviations = 64.5 inches - 5 inches = 59.5 inches

mean +  2 standard deviations = 64.5 inches + 5 inches = 69.5 inches

Then, the answer is that 95% of women range approximately between 59.5 inches and 69.5 inches.

6 0
3 years ago
Eight 5 bills are worth 40
dmitriy555 [2]

Answer:

what is the question

Step-by-step explanation:

5 0
2 years ago
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