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Free_Kalibri [48]
3 years ago
10

Kira John and Ryan sent a total of 112 text messages during the weekend. Kira sent 8 fewer messages than Ryan. John sent 4 times

as many messages as Ryan. How many messages did they each send?
Mathematics
1 answer:
Softa [21]3 years ago
4 0

Answer:

Kirasent 16 and Ryan sent 96

Step-by-step explanation:

I got this because Kira is x-8 and Ryan is 4x. 4x-x-8=112 is equal to 5x=120. So x=24.Kira has 16 when plugging in x and Ryan has 96 because 4 times 24 is 96.

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The distance between Chicago and Cleveland is
lozanna [386]

Answer:

The average speed on this trip was 46.15 mph. The correct option is A.

Step-by-step explanation:

In order to calculate the average speed, we need to apply the following formula:

v_{avg} = \frac{\text{distance}}{\text{time}}

We were given the distance between the two cities in miles, therefore we can directly apply it to the expression. Although the time was given in the hh:mm 12 h format and we need a diference in hours, so we will convert that as shown below:

\text{time departure} = 9 + \frac{50}{60} = 9.83 \text{ h}

\text{time arrival} = 12 + 5 + \frac{30}{60} = 17.5

The elapsed time of the trip is the difference between these:

\text{time} = 17.5 - 9.83 = 7.67 \text{ h}

We can now apply it to the formula:

v_{avg} = \frac{354}{7.67} = 46.15 \text{ mph}

The average speed on this trip was 46.15 mph. The correct option is A.

5 0
3 years ago
Which expression is equivalent to ^3 square root 343 x^9 v^12 z^6?
Karo-lina-s [1.5K]

\sqrt[3]{343x^9v^{12}z^6}=\sqrt[3]{343}\cdot\sqrt[3]{x^{3\cdot3}}\cdot\sqrt[3]{v^{4\cdot3}}\cdot\sqrt[3]{z^{2\cdot3}}\\\\=\sqrt[3]{7^3}\cdot\sqrt[3]{(x^3)^3}\cdot\sqrt[3]{(v^4)^3}\cdot\sqrt[3]{(z^2)^3}=7x^3v^4z^2\\\\Used:\\\\\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\(a^n)^m=a^{nm}\\\\\sqrt[n]{a^n}=a

5 0
3 years ago
A 2-column table with 6 rows. Column 1 is labeled x with entries 8, 12, 16, 20, 25, 28. Column 2 is labeled y with entries 2, 3,
podryga [215]

Step-by-step explanation:

A 2-column table with 6 rows. Column 1 is labeled x with entries 8, 12, 16, 20, 25, 28. Column 2 is labeled y with entries 2, 3, 4, 5, 6, 7.

Which equation produces the values in the table?

y = 4x

y = 4 + x

y = One-fourthx

y = 4 – x ok

hope this may help you

7 0
2 years ago
Read 2 more answers
The math club is selling gift wrap for a funraiser. They sold 45 rolls of soild wrapping paper at $4 each and rolls of patterned
Lunna [17]

4 * 45 = 180

265 - 180 = 85

85/5 = 17

They sold 17 rolls of patterned wrapping paper.

7 0
3 years ago
Please help with this problem
Paraphin [41]

Answer:

Step-by-step explanation:

See attachment.

The change from x to (x-4) moved the function to the right by 4.  The - 5 moved it down by 5 (as measured from the crossover/inflection point.

7 0
2 years ago
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