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2 years ago

Choose an appropriate data display for the distance a person hikes each week.

Mathematics

2 answers:

belka [17]2 years ago

8 0

It’s the stem and leaf plot

topjm [15]2 years ago

7 0

Answer:

Stem and leaf plot

Step-by-step explanation:

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Soles the differential equations using the substitution u=y’; u’=y”<br><br> y’y”=2

GarryVolchara [31]

Answer with explanation:

The given differential equation

y'y''=2--------(1)

We have to apply the following substitution

u=y'

u'=y"

Applying these substitution in equation (1)

u u'=2

$u \frac{du}{dx}=2\\\\ u du=2 dx\\\\ \int u du=\int 2 dx\\\\\frac{u^2}{2}=2 x+K\\\\\frac{y'^2}{2}=2 x+K\\\\y'^2=4 x+2 K\\\\y'=(4 x+2 K)^{\frac{1}{2}}\\\\ dy=(4 x+2 K)^{\frac{1}{2}} d x\\\\\int dy=\int(4 x+2 K)^{\frac{1}{2}} d x\\\\y=\frac{(4 x+2 K)^{\frac{3}{2}}}{4 \times \frac{3}{2}}+J\\\\y=\frac{(4 x+2 K)^{\frac{3}{2}}}{6}+J$

Where , J and K are constant of Integration.

3 0

2 years ago

Find the magnitude of wx for w(-3 5 4) and x(9 5 3)

Hatshy [7]

Answer: Magnitude of wx is $\sqrt{145}$

Step-by-step explanation:

Since we have given that

$w(-3,5,4)=-3\hat{i}+5\hat{j}+4\hat{k}\\\\x(9,5,3)=9\hat{i}+5\hat{j}+3\hat{k}$

Now, first we will find 'wx':

$wx=Initial-Final\\\\wx=(9+3)\hat{i}+(5-5)\hat{j}+(3-4)\hat{k}\\\\wx=12\hat{i}-1\hat{k}$

We need to find the "magnitude":

$\mid wx\mid=\sqrt{12^2+1^2}=\sqrt{144+1}=\sqrt{145}$

Hence, Magnitude of wx is $\sqrt{145}$

3 0

2 years ago

Read 2 more answers

Which expression can be used find 40% of 130?

olya-2409 [2.1K]

40% = 0.40 = 2/5
So multiplying 130 × 2/5 (bc "% of" means multiply)... divide 130 by 5 = 26
What's left over??
2 × 26
4. (26)(2)

6 0

3 years ago

Read 2 more answers

Andrew earned $125.00 last year on his investment of $10,000.00

Artemon [7]

Answer:

1,25%

Step-by-step explanation:

Aby policzyć stopę procentową należy wykorzystać podzielić otrzymany zarobek (125$) przez kwotę zainwestowaną (10.000$) a następnie pomnożyć przez 100, aby otrzymać wartość wyrażoną w procentach.

I tak mamy

$\frac{125}{10000}$ x 100 [%] = 1,25%

7 0

2 years ago

Read 2 more answers

Val is going to plant n vegetables seeds in one garden and 2n+5 vegetables seeds in another. How many seeds is Val going to plan

mezya [45]

Val will plant:
$2n+5+n$
seeds.

This is equal to:
$3n+5$

So, in total, Val will plant 3n + 5 seeds.

8 0

3 years ago