2 years ago

Simplify 2a - 5 + 3a + 4

Mathematics

2 answers:

Vera_Pavlovna [14]2 years ago

4 0

Answer:

5a - 1

Step-by-step explanation:

add common terms

2a - 5 + 3a + 4

2a + 3a and -5 + 4

5a - 1

Lynna [10]2 years ago

3 0

Answer:

5a - 1

Step-by-step explanation:

Simple additon math skillz

You might be interested in

Help immediately!!!! pls .

dsp73

ANSWER: The expression that represents the volume of the cone written in terms of π is: 18π in^3

8 0

2 years ago

What is this expression in scientific notation

goblinko [34]

76 x 10^5 or 7.6 x 10^6

5 0

3 years ago

meteroloogist track severe stoms using Doppler radar. A polar grid is used to measure distances as the storms progress. If the c

FinnZ [79.3K]

Answer:

$(x-h)^2+(y-k)^2= (r+ 40 )^2$

Step-by-step explanation:

It is given that a meteorologist is using a Doppler radar to find out the distance of the storm as it passes using a polar grid.

The origin of the radar screen is its center.

And the distance between each ring is 10 miles from the center.

So let :

r = radius

h and k = be the coordinates of the center.

So the equation of a circle is :

$(x-h)^2+(y-k)^2= r^2$

Now the equation of the fourth circle when the radius changes by 10 miles is :

$(x-h)^2+(y-k)^2= (r+ 40 )^2$

5 0

3 years ago

Need help on this math problem of parallelograms.

tamaranim1 [39]

Answer:

z=124 because it opposite

Step-by-step explanation:

6 0

3 years ago

10+10+10+10-10-10-10-10-10-10-10-10-10-10-9

ki77a [65]

Answer:

-69

Step-by-step explanation:

40-100-9

4 0

3 years ago

Read 2 more answers