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2 years ago

Belle runs 16 times around a track that measures 1/4 mile long.

Mathematics

1 answer:

Darina [25.2K]2 years ago

5 0

16/4 which could be simplified to be the whole number 4

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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:

There are 21 jelly beans in the jar.

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

3 years ago

Solve the inequality -5(3x+4)<6-3x

bogdanovich [222]

$-5(3x+4) -26\ \ \ \ |:12\\\\x > -\dfrac{26}{12}\\\\x > -\dfrac{26:2}{12:2}\\\\x > -\dfrac{13}{6}\to x\in\left(-\dfrac{13}{6},\ \infty\right)$

7 0

3 years ago

Question #1

alukav5142 [94]

Answer:

x = sandwiches
y = wraps
y = -3/4x +420
y-intercept = 420
m = -3/4

Step-by-step explanation:

This is a reading comprehension question. The problem statement tells you ...

"x number of sandwiches" and "y number of wraps."

You should be able to deduce that ...

x represents the number of sandwiches

y represents the number of wraps

___

The equation 3x+4y=1680 is put into slope-intercept form by solving for y.

4y = -3x +1680 . . . . . subtract 3x

y = (-3/4)x + 420 . . . .divide by 4

Comparing this to the slope-intercept form y = mx + b, where m is the slope and b is the y-intercept, we see that ...

y-intercept = 420

m = -3/4

7 0

3 years ago

What is the total percent of a pie or circle graph

Sindrei [870]

Answer:

100%

Step-by-step explanation:

6 0

3 years ago

You are going to a 1940 mile trip, and your car get about 28 miles per gallon. Gas prices along your route average $2.95 per gal

Nataliya [291]

Answer: $\$\ 204.4$

Step-by-step explanation:

Given

The total length of the trip is $l=1940\ \text{miles}$

Car average is 28 miles per gallon

So, car requires

$\Rightarrow \dfrac{1940}{28}=69.285\ \text{gallon}$

Price of gas is $2.95 per gallons

$\therefore \text{cost is =}69.285\times 2.95\\\Rightarrow \$\ 204.4$

So, the cost of the trip is $\$\ 204.4$

8 0

3 years ago