<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B4%7D" id="TexFormula1" title="\frac{x}{4}" alt="\frac{x}{4}" align="absmiddle

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vagabundo [1.1K]

3 years ago

" class="latex-formula"> = -1
find the value of x

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

5 0

Answer:

x=-4

Step-by-step explanation:

-1x4=-4

i hope this helps

AlekseyPX3 years ago

3 0

I’m pretty sure the answer is -4 I hope this helps

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You bike 1 mile the first day of your training, 1.3 miles the second day, 1.9 miles the third day, and 3.1 miles the fourth d

JulsSmile [24]

Answer:

19.9 miles

Step-by-step explanation:

In this problem we have:

$d_1=1 mi$ is the distance travelled during the 1st day

$d_2=1.3 mi$ is the distance travelled during the 2nd day

$d_3=1.9 mi$ is the distance travelled during the 3rd day

$d_4=3.1 mi$ is the distance travelled during the 4th day

We notice that the difference between the distance travelled on the (n+1)-th day and the distance travelled on the n-th day doubles every day. In fact:

$d_2-d_1=0.3\\d_3-d_2=2\cdot 0.3 = 0.6\\d_4-d_3=2\cdot 0.6 = 1.2$

Which can be rewritten using the general formula:

$d_{n+1}-d_n=2(d_n-d_{n-1})$

This means that

$d_{n+1}=d_n+2(d_n-d_{n-1})$

By applying this formula recursively, we can find the 7th term, which is the distance travelled on the 7th day:

$d_1=1\\d_2=1.3\\d_3=1.9\\d_4=3.1\\d_5=3.1+2\cdot 1.2=5.5\\d_6=5.5+2\cdot 2.4=10.3\\d_7=10.3+2\cdot 4.8=19.9 mi$

So, the distance travelled on the 7th day is 19.9 miles.

7 0

3 years ago

Order the following list of numbers from least to greatest <br>V35, 5.7, 17/3, 5.83<br>

irina1246 [14]

Answer:

17/3, 5.7, 5.83, √35.

Step-by-step explanation:

√35, 5.7, 17/3, 5.83

√35 = 5.916

5.7 = 5.700

17/3 = 5.667

5.83 = 5.830.

So the answer is 17/3, 5.7, 5.83, √35.

8 0

3 years ago

Hey fellas, giving brainliest and a lot of points to who gets this correct

Ainat [17]

Answer:

$7\frac{1}{12}$ or $\frac{85}{12}$

Step-by-step explanation:

total boxes = Jills boxes + Mikes boxes

total boxes = $5\frac{1}{3} +1\frac{3}{4}$

= $\frac{16}{3} + \frac{7}{4}$

= $\frac{64+21}{12}$

= $\frac{85}{12}$

= $7\frac{1}{12}$

3 0

2 years ago

Help please really needed

Anarel [89]

Answer:

Either :

1/2 10x+1/2 20y+1/2 10z

5x+10y+5z

Step-by-step explanation:

You're just multiplying everything by 1/2

7 0

2 years ago

How many different sums can be made with a penny nickel dime quarter?

weqwewe [10]

1 coin is 4 ways
2 coins is 4*3 ways
3 coins is 4*3*2 ways
4 coins is 4*3*2*1 ways

so total is 4+12+24+24=64 sums

8 0

3 years ago