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3 years ago

Please help if you know the answer thank you

Mathematics

1 answer:

AfilCa [17]3 years ago

4 0

Answer:

The answer you picked is the correct one.

Step-by-step explanation:

All imma say is good job, your smart.

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If a/4= b/7 what is the value of a-b/b

eimsori [14]

Answer:

a = b*4/7

a-b/b

=4b/7 -b /b

=(4b-7b)/7 /b

=-3b/7 / b

cancelling b,

= -3/7

7 0

3 years ago

A chemist is using 357 milliliters of a solution of acid and water. If 14.3% of the solution is acid, how many milliliters of ac

LekaFEV [45]

Answer:

357 * .143 = 51.051 milliliters or

51 milliliters (rounded)

Step-by-step explanation:

3 0

3 years ago

Two buses leave Houston at the same time and travel in opposite directions. one bus averages 55mi\h anf the other bus averages 4

son4ous [18]

In 4 hours if you count the miles by the road linking the 2 buses. This is because 55 for one bus and 45 for the other bus added together equals 100 miles/hour. Therefore, 4 hours will be the time the 2 buses are 400 miles apart.

6 0

3 years ago

I WILL GUVE BRAINLIEST PLEASE HELPPPP pLz algebra one

olga55 [171]

Answer:

$\displaystyle L=4x^{4}y^{8}z^{12}$

Step-by-step explanation:

<u>The Volume of Rectangular Prism</u>

Given a rectangular prism of width W, height H, and length L, its volume is calculated as follows:

V = WHL

We are given the volume of a rectangular prism:

$V=72x^8y^{14}z^{22}$

It's also known the width is:

$W=6x^3y$

And height

$H=3xy^5z^{10}$

Substituting in the formula, we solve for L:

$72x^8y^{14}z^{22}=(6x^3y)*(3xy^5z^{10})L$

$\displaystyle L=\frac{72x^8y^{14}z^{22}}{(6x^3y)*(3xy^5z^{10})}$

Operating the denominator

$\displaystyle L=\frac{78x^8y^{14}z^{22}}{18x^4y^6z^{10}}$

Dividing:

$\displaystyle L=4x^{8-4}y^{14-6}z^{22-10}$

Simplifying:

$\boxed{\displaystyle L=4x^{4}y^{8}z^{12}}$

6 0

3 years ago

In a classroom, there are 3 more girls than boys and the ratio of girls to boys is 6 to 5.

IrinaVladis [17]

Answer:

33 students

Step-by-step explanation:

ratio = 6 : 5

if there are 3 more girl that boy

ratio 1 equal 3.

total ratio

6 + 5 = 11

total number of students

11 × 3 = 33

5 0

3 years ago