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Leto [7]
3 years ago
14

sybrina jogged 2 miles in 30 minutes at this rate how far would she jog in 90 minutes at what rate did she jog each hour

Mathematics
1 answer:
VLD [36.1K]3 years ago
3 0
If you do cross multiplication and multiply 90 by 2 then divide that answer with 30, your answer should be 6
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In a contest to guess the number of jelly beans in a jar, Alice guessed 25;Betty, 18;Clare,23;Dotty,19;Edith,24;and Fran,17. Two
vampirchik [111]

Answer:

<em>There are 21 jelly beans in the jar.</em>

Step-by-step explanation:

Suppose, the number of jelly beans in the jar is  x

Two were off by 2, two were off by 3, two were off by 4. That means, the six guessed number will be:  (x+2), (x-2), (x+3), (x-3), (x+4), (x-4)

Given that, Alice guessed 25; Betty, 18; Clare, 23; Dotty, 19; Edith, 24; and Fran, 17.

So, the sum of all six guessed number will be:  25+18+23+19+24+17=126

Thus, the equation will be..........

(x+2)+(x-2)+(x+3)+(x-3)+(x+4)+(x-4)= 126\\ \\ 6x= 126\\ \\ x=\frac{126}{6}=21

So, the number of jelly beans in the jar is 21.


5 0
2 years ago
Determine the correct value of 3x + 2 when x = 5. Show your work
Alexxandr [17]

Answer:

17

Step-by-step explanation:

3 multiply by 5 (which is x) = 15+2

7 0
3 years ago
3x^2- 2x has no c term. That means c = 0 *<br> TRUE<br> or<br> FALSE?
just olya [345]

F means false so it is not true it is false

4 0
2 years ago
Xavier's bowling average is 185.4 and Lola's average is 122.9. About how many times greater is Xavier's average than Lola's?
Lena [83]

Hello!

To find how many times greater his average is, we just divide.

185.4/122.9≈1.51

Therefore, his average is about 1.51 times greater than Lola's.

I hope this helps!

8 0
2 years ago
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What is the equation of the line that has a slope of 3 and goes through the point (-3,5)?
sveticcg [70]

Answer:

C. y=3x-4

Step-by-step explanation:

I just know trust me

8 0
2 years ago
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