All categories

3 years ago

Venona is solving the equation-3+4x=9 in order to isolate the variable term

Mathematics

1 answer:

Tcecarenko [31]3 years ago

6 0

Answer:

x = 3

Step-by-step explanation:

-3 + 4x = 9 .... add the 3 over

4x = 12 .... divide by 4

x = 3

You might be interested in

One cubic meter of water weighs approximately 2200 pounds. There are 100 cm in one meter. If you have a box-shaped fish tank tha

Diano4ka-milaya [45]

Answer:

158.4 pounds

Step-by-step explanation:

first find the volume of the tank

$V = 30 \times 30 \times 80$

$V = 72000 cm^3$

to convert this to m^3 we know that 1m = 100cm

$V = 72000 cm^3 \times \left(\dfrac{1\,\text{m}}{100\,\text{cm}}\right)^3$

$V = 72000 cm^3 \times \left(\dfrac{1\,\text{m}^3}{100^3\,\text{cm}^3}\right)$

the cm^3 cancel out.

$V = \dfrac{72000}{100^3} m^3$

$V = 0.072\,m^3$

by simply converting the side-lengths to meters beforehand can give you this answer directly:

$V = 0.3 \times 0.3 \times 0.8 = 0.072 m^3$

it is given that 1 meter cube of water weighs about 2200 pounds.

$1\,m^3 = 2200 \,\text{lb}$

multiply both sides with 0.072 to find our answer:

$1\,m^3 \times 0.072 = 2200 \times 0.072 \,\text{lb}$

$0.072\,m^3 = 158.4 \,\text{lb}$

hence the weight of the water in the tank would be 158.4 pounds!

3 0

3 years ago

15 quarts per hour = gallons per minute

lions [1.4K]

(15 qt/hr) x (1/4 gal/qt) x (1/60 hr/min) =

(15) / (4 x 60) = 0.0625 gal/min

6 0

2 years ago

Which is the equation for the line that passes through (3,5) and has a slope of -5

algol [13]

You just have to study more

4 0

3 years ago

Read 2 more answers

Express<br> as a unit rate. <br><br> Betty drives her car 150 km in 2 h. Explain

Lena [83]

Answer:

Step-by-step explanation:

$\frac{150km}{2hr}$ divided by two is $\frac{75km}{1hr}$ .

8 0

2 years ago

Answer?......................

erica [24]

Answer:

Step-by-step explanation:

6( n^2 +2)

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

Let n = 3

6( 3^2 +2)

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

Parentheses first

6( 9 +2)

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

6( 11)

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

Top of the fraction next

-----

Divide

7 0

1 year ago