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rodikova [14]
3 years ago
15

A tank pumps out liquid at a rate of 12 gallons every 20 days. What is the unit rate in gallons per week?

Mathematics
1 answer:
pashok25 [27]3 years ago
8 0

Answer:

4.2

Step-by-step explanation:

simplify 12 and 20 to 6 and 10 then divide 6 by 10 and multiply by 7 to get the answer.

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Consider the graph of the linear function h(x) = –6 + x. Which quadrant will the graph not go through and why?
Lesechka [4]
H ( x ) = - 6 + x
m = 1 ( the slope )
b = - 6 ( y - intercept )
x - intercept: 
0 = - 6 + x
x = 6 
The graph is going through Quadrants:  I, II and IV.
Answer:
B ) Quadrant II, because the slope is positive and y-intercept is negative.
6 0
3 years ago
Read 2 more answers
Help me with this please I will give you brainlist!
Volgvan

Answer:

it might be D

Step-by-step explanation:

im pretty sure

4 0
3 years ago
Find the product of (x^2+2x-3)(4x^2-5x+6)
Evgesh-ka [11]

Answer:

x^{4} + 3x³ - 16x² + 27x - 18

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x²(4x² - 5x + 6) + 2x(4x² - 5x + 6) - 3(4x² - 5x + 6)

Distribute all 3 parenthesis

= 4x^{4} - 5x³ + 6x² + 8x³ - 10x² + 12x - 12x² + 15x - 18

Collecting like terms

= 4x^{4} + 3x³ - 16x² + 27x - 18

5 0
3 years ago
Use the common ratio to find the next term of the geometric sequence. Type a numerical answer in the space provided.
prisoha [69]

Answer:

15

Step-by-step explanation:

the common ratio is 1/2 so you do 30(1/2)

30(1/2)=15

5 0
3 years ago
the quadratic function h (t)=-16t^2+150 models a balls height, in feet, over time, in seconds, after it is dropped from a 15 sto
natulia [17]
Hello! Lets solve this :)
So for the first question :
h(t) = -16t^2 + 150
h(0)= -16 (0)^2 + 150
h(0)= -16(0) + 150
h(0)= 0 + 150
h(0)= 150 feet

Second question
We need to find here the time when the ball hit the ground; or when the height h(t) is 0.
In equation form
h(t) --> 0=16t^2 + 150
16t^2 = 150
t^2=150/16
t= <span>√150/16
t= 5</span><span>√6/4
t= 5 (2.45)/4
t= 3.06 seconds
</span>
Hope this helps! If you have any other questions or would like further explanation just let me know! :)



3 0
3 years ago
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