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NISA [10]
2 years ago
9

Someone plz help me out i need to pass

Mathematics
1 answer:
Anni [7]2 years ago
3 0

Answer:

it takes 24h

Step-by-step explanation:

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Which ordered pair represents the y-intercept of the graph of the equation y = –4x – 7?
Dovator [93]
If <span>y = –4x – 7, the x-intercept is found by setting y=0 and solving for x:

</span><span>0 = –4x – 7  =>  4x = -7, or   x = -7/4       The x-intercept is (-7/4, 0).

</span><span>The y-intercept is found by setting x = 0 and reading off the value of y:

y = –4x – 7  =>  y = 0 - 7, or y = -7.  The y-intercept is (0, -7).</span>
7 0
3 years ago
A dog walks at a speed of 3mi/hr for 2 hours. How far (distance) did the dog walk? *​
Nikolay [14]

Answer:

6 miles

Step-by-step explanation:

After one hour the dog will have walked three miles after two hours the dog will have walked three more miles for a total of 6 miles.

6 0
2 years ago
The volume of this sphere is 972pi cubic inches. What is its radius?
maria [59]
4/3pi *r3 = 972pi
Divide both side by pi

4/3 *r3 = 972

r3 = 972* 3/4

r3 = 729

r = the square root of 729 to the third power (I don't know if I'm expressing this correctly but answer is 9, hope you get that)

r = 9 that's your answer.

Hope it's correct, appreciate if you could let me know
8 0
3 years ago
Read 2 more answers
IM 20 MIN AWAY FROM FAILING PLZZZ HELPPPP​
padilas [110]

Answer:

13 and 32

Step-by-step explanation:

let one number be x

Then the other number is x + 19 , then

x + x + 19 = 45

2x + 19 = 45 ( subtract 19 from both sides )

2x = 26 ( divide both sides by 2 )

x = 13

The 2 numbers are 13 and 13 + 19 = 32

5 0
3 years ago
Andrew answered 21 out of 25 questions correctly on his math test. Written as a decimal, what portion of Andrew's answers were c
soldier1979 [14.2K]
Since we are calculating the amount that he got correct, we must divide the numerator by the denominator or make the denominator equal 100. I will do it the second way as it is easier in this case.

25*4 = 100
21*4 = 84

84/100 = 0.84

As a decimal, Andrew got 0.84 of his test correct. Hope this helps!
8 0
3 years ago
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