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Usimov [2.4K]
3 years ago
9

Need help with Algerbra math​

Mathematics
1 answer:
makkiz [27]3 years ago
4 0

Answer:

57.5

Step-by-step explanation:

divide 92 by 1.6. I hope this helps

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What is the slope of the line? 7x+2y=57x+2y=5
skad [1K]

Answer:

Step-by-step explanation:

6 0
3 years ago
If f(x) = 3x +9 x when f(x) = 30
den301095 [7]

Answer:

x=5/2

Step-by-step explanation:

When f(x)=30, we have 3x+9x=30.

Combining like terms on the right side, we have 12x=30.

Finally, dividing by 12 we get x=30/12.

We note that 30=6*5 and 12=6*2, so 30/12=5/2.

So, \boxed{x=5/2} and we're done!

3 0
3 years ago
If a1=5 and an=nan-1-4 then find the value if a3
masya89 [10]

EXPLANATION

If a_1 = 5 and a_n = n*a_n-1 - 4 the value of a_3 is given by the following relationship:

a_2=\text{ 2}\cdot5\text{ - 4 = 10-4=6}a_3=2\cdot6-4=12-4=8

The answer is 8

5 0
2 years ago
A bicyclist travels 32 kilometers for 2 hours and then and 13 kilometers for the next hour. Calculate the average speed.
GarryVolchara [31]

Answer:

15 km/h

Step-by-step explanation:

To find the speed, divide the total number of kilometers by the total number of hours:

Find the total number of hours:

32 + 13

= 45

Divide this by 3:

45/3

= 15

So, the average speed was 15 km/h

6 0
3 years ago
Algebra 1. Question 20. Thank you!
Genrish500 [490]

Look at the picture.

The formula of the area of a trapezoid is :

A_T=\dfrac{base+base}{2}\cdot height

We have:

base=12m;\ base=5m;\ height=2\cdot3m=6m

Substitute: A_T=\dfrac{12+5}{2}\cdot6=17\cdot3=51\ m^2

The formula of the area of a circle is :

A_C=\pi r^2

We have r=3m

Substitute: A_C=\pi\cdot3^2=9\pi\ m^2

The area of the shaded portion of trapezoid: A=A_T-A_C

Substitute: A=(51-9\pi)\ m^2\approx(51-9\cdot3.14)\ m^2=22.74\ m^2

7 0
4 years ago
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