1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Svet_ta [14]
3 years ago
6

Help me please please ​

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0

Answer:

3a^2 - 7a - 6

Step-by-step explanation:

Find the average length of the light gray shaded figure.  It is:

4a + 5 + 2a - 1        6a + 4

--------------------- = --------------- = 3a + 2

            2                      2

Now multiply this average length, 3a + 2, by the width, a - 3:

Area of light gray figure is (3a + 2)(a - 3) = 3a^2 - 7a - 6

You might be interested in
The system of equations y= 1/4 x-1and y=-1/2 x-1/4 shown on the graph below
Ksenya-84 [330]

Answer:

The value of x , y coordinate is ( 1, \dfrac{-3}{4} )

and Plotting the points on graph

Step-by-step explanation:

Given as :

The system of equation is

y = \dfrac{1}{4} x - 1

The equation can be written as

4 y = x - 4

Or, 4 y - x + 4 = 0                         ........1

y = - \dfrac{1}{2} x - \dfrac{1}{4}

The equation can be written as

4 y + 2 x + 1 = 0                            ..........2

Solving the equation

i.e ( x - 4 ) + 2 x + 1 = 0

or, 3 x - 4 + 1 = 0

or, 3 x = - 1 + 4

∴ 3 x = 3

I.e x = 1

Put the value of x in eq 1

So, 4 y - x + 4 = 0        

or, 4 y - 1 + 4 = 0      

or, 4 y + 3 = 0

or, 4 y = - 3

 ∴ y = \dfrac{-3}{4}

So, The value of x , y coordinate is ( x ,y ) =  ( 1 ,  \dfrac{-3}{4} )

Hence The value of x , y coordinate is ( 1, \dfrac{-3}{4} )

and Plotting the points on graph  Answer

3 0
4 years ago
sarah hopes to be 5 feet in her next birthday. right know she is 148 cenmeter tall.how many more centimerter does sarah need to
pshichka [43]

Answer:4

Step-by-step explanation:

Well its actually 4.4 but if you round down its 4 centimeters and 5 feet equals 152.4 so that minus 148 is 4.4

8 0
2 years ago
Read 2 more answers
the function f(x) = 3,005(1+0.03)^x represents the amount of money in a savings account where x represents time in years. what d
Stolb23 [73]

Answer:

Option d. the initial amount of money placed in the savings account

Step-by-step explanation:

we have

f(x)=3,005(1+0.03)^{x}

This is a exponential function of the form

f(x)=a(1+r)^{x}

where

a is the initial value

r is the growth rate

(1+r) is the base

x is the number of years

f(x) is the amount of money in a savings account

In this problem we have

a=$3,005

r=0.03=3%

(1+r)=1.03

therefore

3,005 represent the initial value ( the amount of money for the value of x equal to zero)

6 0
3 years ago
Read 2 more answers
Additive inverse of -4b
Reil [10]
Additive inverse of -4b is 4b
7 0
3 years ago
Help pls to get pinned
ale4655 [162]

Answer:

\frac{15}{10}  and \frac{3}{10}

 \frac{15}{10} -\frac{12}{10} = \frac{3}{10}

Step-by-step explanation:

Given

       \frac{3}{2} - \frac{6}{5}

Now the L.C.M = 10

 =  \frac{15-12}{10}

 =  \frac{15}{10} -\frac{12}{10} = \frac{3}{10}

5 0
3 years ago
Other questions:
  • Which expression is equivalent to<br> (4^5/4.4^1/4/4^1/2
    10·1 answer
  • Solve the following x/5=10<br>​
    9·2 answers
  • Which expressions show how 5 • 37 can be rewritten using the distributive property? Choose all answers that are correct.
    5·1 answer
  • Peter attempted to use the divide-center method to find the line of best fit on a scatterplot.
    15·1 answer
  • Choose the equivalent factored form
    6·1 answer
  • 211.1336 rounded to nearest tenth
    11·2 answers
  • I need help pleaseeeee
    11·1 answer
  • In the right triangle shown m angle A =45° and AB=12 how long is BC?
    9·2 answers
  • Can someone please help me?
    5·1 answer
  • Please help<br> 10 points
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!