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3 years ago

9

Element A combines with Element B at a ratio of 2:1 to make a particular substance. If you have 10 grams of element A in the sub

stance, how many grams of element B are present?

1 answer:

Marina86 [1]3 years ago

5 0

If its a 2:1 ratio then 5.

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The sum of three consecutive positive numbers is 147. Find the product of the greatest and the

Dima020 [189]

Answer:

2400

Step-by-step explanation:

x+y+z=147

x+(x+1)+(x+2)=147

3x+3=147

3x=144

x=48

The three consecutive positive numbers are 48, 49, and 50.

48 • 50 = 2400

5 0

3 years ago

Please answer this as soon as you can >.

kkurt [141]

Answer:

Step-by-step explanation:

i would help plz help me i need help onaly 7

5 0

3 years ago

I do not get it but i sort of do

Dominik [7]

150 divided by 20 is 7 with a remainder of 10

The quotient is 7, but the answer is 8 I'm not sure if this is what you were looking for but I hope it helped

5 0

3 years ago

Read 2 more answers

Help me please I need it done

Lynna [10]

Answer:

see explanation

Step-by-step explanation:

A

The circumference (C) of a circle is calculated as

C = πd ( d is the diameter ) , then

C = 3.14 × 8 ≈ 25.12 in

B

The circumference (C) of a circle is calculated as

C = 2πr ( r is the radius )

Here C = 94.2 , then

2πr = 94.2 ( divide both sides by 2π )

r = $\frac{94.2}{2(3.14)}$ = 15 cm

4 0

3 years ago

13. Given the volume, V, of the rectangular prism below, find h, the height of the prism. V = (x ^ 2 + 2x)/(x + 1) l= 2x + 4 w=

NikAS [45]

Given:

Volume of a rectangular prism is:

$V=\dfrac{x^2+2x}{x+1}$

Dimensions of the rectangular prism are:

$l=2x+4$

$w=\dfrac{x}{8}$

To find:

The height of the rectangular prism.

Solution:

The volume of a rectangular prism is:

$V=l\times w\times h$

After substituting the values, we get

$\dfrac{x^2+2x}{x+1}=(2x+4)\times \dfrac{x}{8}\times h$

$\dfrac{x(x+2)}{x+1}=\dfrac{2x(x+2)}{8}\times h$

$\dfrac{x(x+2)}{x+1}\times \dfrac{8}{2x(x+2)}=h$

$\dfrac{1}{x+1}\times \dfrac{8}{2}=h$

$\dfrac{4}{x+1}=h$

Therefore, the correct option is C.

8 0

3 years ago