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nata0808 [166]
3 years ago
13

Equivalent Find the number that makes the ratio equivalent to 1:7. 4:​

Mathematics
1 answer:
ahrayia [7]3 years ago
3 0

Answer:

28

Step-by-step explanation:

cross multiply

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What are the x-coordinates for the maximum points in the function f(x)=4cos(2x-pi) from x=0 to x=2pi?
wel
The maximum value attained by the function will be 4
4 = 4cos(2x - π)
cos(2x - π) = 1
2x - π = 0
x = (nπ)/2
From x = 0 to x = 2π, n = 1, 2, etc
The equation will yield +4 for odd values of n and -4 for even values of n
6 0
3 years ago
I need help with this question plz
Rudiy27

Answer:

y = 10/3x + 20

Step-by-step explanation:

First, we need to find the slope of the function. We can do that by using two points and inserting them into the slope formula. It can be any two but I'll just pick (3, 30) and (6, 40).

m = y₁ - y₂ / x₁ - x₂

m = 30 - 40 / 3 - 6

m = -10/-3

m = 10/3

Now we know the slope is 10/3.

In slope-intercept form, the y-intercept is the constant at the end of the equation. The table of values tells us that the y-intercept is located at (0, 20). So the equation of the linear function is y = 10/3x + 20.

8 0
3 years ago
Find the area and circumference of a circle with the<br> radius of 8.5 cm.
ivolga24 [154]

Answer:

Area: 226.98

Circumference: 53.41

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
John's current salary is 40000 per year.His annual pay raise is always a percent of his salary.What would his salary be if he re
ad-work [718]

Answer:

The salary after four consecutive increase = $ 46794.34

Step-by-step explanation:

According to question,

salary of MR. John = $ 40000 per year

percentage py increase = 4%

Let the salary after four consecutive pay increase = x

So, X = 40000 (1 +\frac{4}{100})^4

Or, X = 40000 (\frac{26}{25})^4

Or, X = 46794.34

Hence the salary increase after four consecutive pay increase at 4% = $46794.34  Answer

3 0
3 years ago
in how many ways of the permutations of 10 different things taken 4 at a time will one particular thing always occur​
olganol [36]

Answer:

do as direct

which one of the following is square of 4

2

8

16

64

4 0
3 years ago
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