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3 years ago

How to round to the nearest hundredth 576.536

Mathematics

2 answers:

11111nata11111 [884]3 years ago

8 0

576.54

is the answer

andrew11 [14]3 years ago

5 0

Answer:576.54

Step-by-step explanation:

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In a certain chemical, the ratio of zinc to copper is 3 to 17. A jar of the chemical contains 629 grams of copper. How many gra

julia-pushkina [17]

Answer:

$111\ grams\ of\ zinc$

Step-by-step explanation:

Let

x -----> grams of zinc

y ----> grams of copper

we know that

$\frac{x}{y}=\frac{3}{17}$ -----> equation A

For y=629 grams of copper

substitute in the equation A and solve for x

$\frac{x}{629}=\frac{3}{17}$

$x=\frac{3}{17}(629)$

$x=111\ grams\ of\ zinc$

7 0

4 years ago

Two consecutive odd whole numbers are selected. The difference between the reciprocals of the two numbers is 2/143. Determine th

Andre45 [30]

Answer:

The numbers are 11 and 13

Step-by-step explanation:

Let

the first odd whole number=x

Reciprocal=1/x

Second odd whole number=x+2

Reciprocal=1/x+2

The difference

(1/x) - 1/(x+2)=2/143

(x+2)-x / (x)(x+2)=2/143

x+2-x/x(x+2)=2/143

2/x(x+2)=2/143

2(143)=2(x^2+2x)

286=2x^2+4x

2x^2+4x-286=0

x^2+2x-143=0

Solve the quadratic Equation

x=-b +or- √b^2-4ac/2a

a=1

b=2

c=-143

x= -b +or- √b^2-4ac/2a

=-2 +or- √(2)^2-(4)(1)(-143) / 2(1)

= -2 +or- √4-(-572) / 2

= -2 +or- √4+572/2

= -2 +or- √576/2

= -2 +or- 24/2

x= -2+24/2

= 22/2

=11

x= -2-24/2

= -26/2

= -13

Taking the positive value

x=11

The second odd whole number=x+2

=11+2

=13

7 0

4 years ago

What is 2 hundreds + 15 tens + 6 ones

qwelly [4]

Two one hundred is 200.
15 tens is 150.
Six ones is the same.
$200 + 150 + 6 = 456$

5 0

3 years ago

Read 2 more answers

Ms. Jones baked 25 cookies. 4 fifths of the cookies were oatmeal. How many oatmeal cookies did Ms. Jones bake?

Dahasolnce [82]

Hi there!

20 outmeal cookies..

Convert fraction into number term:

$\frac{4}{5}=\frac{20}{25}=20$

Therefore, there would be 20 oatmeal cookies.

6 0

3 years ago

Someone Explain to me how 5. Is valid ???

vichka [17]

This is valid through the law of syllogism. If you swap lines 1 and 2, then you'll have this argument:

If I step on a beehive, then I will get stung.

If I get stung by a bee, then it will hurt.

Therefore, if I step on a beehive, then it will hurt

------------------

So it's like connecting a chain together. Point A (stepping on the hive), leads to point B (getting stung), which leads to point C (getting hurt). We can take a shortcut to bypass point B to jump from A to C in one step. Check out the attached image for a visual of what I'm referring to.

6 0

3 years ago