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3 years ago

Identify the problem with the following poll.

Mathematics

1 answer:

spayn [35]3 years ago

7 0

It is Nonresponse. We can infer that the entire population cannot be made.

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What is -2sqrt20 - sqrt of 125 in simplest radical form?

suter [353]

I believe it would be -9sqrt5

3 0

3 years ago

Need help ASAP answer ASAP

Feliz [49]

Answer:

1A= 27+43= 70

Step-by-step explanation:

you add the values of each thing they are asking so for the next one you would do, Cakes Plus Biscuits. So 86+59 and that will give you your answer for 1B

6 0

3 years ago

Rob saves £500 in his bank account.

dmitriy555 [2]

Answer:

step 1: =4% of £500

=20

=20 × 5 years

= 100

= £500 + £100

=£600 ....therefore Rob will have £600 in his bank account after years.

4 0

3 years ago

Solve the initial value problem yy′+x=x2+y2‾‾‾‾‾‾‾√ with y(1)=8‾√. To solve this, we should use the substitution u= x^2+y^2 help

leva [86]

Looks like the equation is

$yy'+x=\sqrt{x^2+y^2}$

Substitute $u(x)=x^2+y(x)^2$ , so that $u'=2x+2yy'$ . Then the equation is the same as

$\dfrac{u'-2x}2+x=\sqrt u\implies u'=2\sqrt u\implies\dfrac{\mathrm du}{2\sqrt u}=\mathrm dx$

Integrate both sides to get

$\sqrt u=C\implies\sqrt{x^2+y^2}=C$

Given that $y(1)=\sqrt8$ , we have

$\sqrt{1^2+(\sqrt8)^2}=C\implies C=3$

so the solution is

$\sqrt{x^2+y^2}=3$

7 0

3 years ago

Points gyfridjwnxsbhjkjh

Art [367]

Answer:hey

Step-by-step explanation:ur cool

7 0

2 years ago

Read 2 more answers