3 years ago

Which is the best thing to do as a first step in using substitution to solve the system of equations?

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

3 0

Hey there !

Check the attachment.
Hope it helps you :)

You might be interested in

A triangle has sides with lengths of 5 meters, 6 meters, and 8 meters. Is it a right triangle?

Sever21 [200]

Answer:

No, it is not a right triangle

Step-by-step explanation:

A scalene right triangle comprised of integers must have the same ration as 5:4:3, and 5:6:8 is not it.

8 0

2 years ago

If 840 CLASS eighth graders, making up 4/5 of total eighth, studied algebra during summer, how many eighth graders are enrolled

Anarel [89]

Answer:

1008

Step-by-step explanation:

If 4/5 of eighth graders, or 80%, are enrolled with class, there are still 20% of students that didn't study. That means you add 168, the 20%, and you'll get 1008.

3 0

2 years ago

Ashley has a sprinkler that has several varieties of coverage. The quarter circle sprinkler head sprays water a distance of up t

alukav5142 [94]

Answer:

314 square feet

Step-by-step explanation:

we know that

The area that will be covered by the spray of the quarter-circle sprinkler head, is equal to the area of a quarter circle with radius of 20 feet

The area of a quarter circle is

$A=\frac{1}{4}\pi r^{2}$

we have

$r=20\ ft$

$\pi =3.14$

substitute

$A=\frac{1}{4}(3.14)(20)^{2}=314\ ft^2$

8 0

2 years ago

The government's power to tax and spend to influence the economy is called...

Ivan

B. Fiscal Policy. Hope that helps you.

8 0

3 years ago

Solve for b.<br> 7<br> 10b+ 18 = 28<br> Answer: 6<br> Submit Answer

azamat

Answer:

False B=1

Step-by-step explanation:

10b+18=28

Subtract 18 both sides.

10b=10

Divide 10 both sides.

b=1

3 0

3 years ago

Read 2 more answers