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3 years ago

How do i solve 426 to the nearest ten

Mathematics

2 answers:

Dmitry [639]3 years ago

4 0

Youll need to provide more information

blondinia [14]3 years ago

4 0

If u mean 4.26 the nearest tenth is 4.3

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Giving that ai +bj 5i-2j are perpendicular find the value of a if b=3

Nonamiya [84]

Answer:

a = $\frac{6}{5}$

Step-by-step explanation:

Given

ai + bj and 5i - 2j are perpendicular and b = 3, that is

ai + 3j and 5i - 2j are perpendicular, then

The scalar product = 0 , that is

5a - 6 = 0 ( add 6 to both sides )

5a = 6 ( divide both sides by 5 )

a = $\frac{6}{5}$

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3 years ago

What is the place value of 7<br>in 1,709?

Wittaler [7]

Answer:

7 is in the ten-thousands place.

Step-by-step explanation:

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3 years ago

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Sveta_85 [38]

: Let y = f(x) = x^1/3
Then dy = 1/3*x^(−2/3) dx
Since f(64) = 4.
We take x = 64 and dx = ∆x = 1
This gives dy = 1/3*(64)^(−2/3)* (1) = 1/48
∴65^(1/3) = f(64 + 1) ≈ f(64) + dy = 4 + 1/48 ≈ 4.021 <span>
</span>

6 0

3 years ago

Read 2 more answers

A 20% apple juice drink is mixed with a 100% apple juice drink. The function f(x)=(2)(1.0)+x(0.2)2+x models the concentration of

luda_lava [24]

Answer:

17.5

Step-by-step explanation:

Given that:

20% apple juice drink is mixed with a 100% apple juice drink.

$f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}$

represents the concentration of apple juice in the drink when $x$ gallons of 20% drink are added to 2 gallons of pure juice.

Also, given that 6 gallons of 20% drink are added to the 2 gallons of pure juice.

To find:

The concentration of apple juice in the drink = ?

Solution:

Given the function:

$f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}$

and

$x=6\ gallons$

$f(x)=\dfrac{(2)(0.1)+6(0.2)}{2+6}\\\Rightarrow f(x)=\dfrac{0.2+1.2}{8}\\\Rightarrow f(x)=\dfrac{1.4}{8}\\\Rightarrow f(x)=\bold{0.175}$

In percentage, the concentration 17.5.

7 0

3 years ago

What is 0.32 multiplied by 300 ??

UkoKoshka [18]

.32 multiplied by 300 is 96

5 0

3 years ago