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
ivolga24 [154]
2 years ago
14

The total cost of 8 sharpeners and 3 sketchbooks is $26.05. If the cost of a sharpener is $a, and a sketchbook is $1.90 more exp

ensive,
find A. Give your answer to two decimal places.
Mathematics
2 answers:
koban [17]2 years ago
4 0

Answer:

1.85

Step-by-step explanation:

So, s (sketchbook) is a+1.90.

8a+ 3(a+1.90)=26.05

8a+3a+5.7=26.05

11a=20.35

a=1.85

Check:

8x1.85=14.8

s=11.25

White raven [17]2 years ago
4 0

Answer:

A= 1.85

Step-by-step explanation:

I made an equasion

8(a) + 3(a+1.90) = 26.05

distributed

8a+ 3a + 5.70 = 26.05

Added

11a+ 5.70= 26.05

subtracted

11a= 20.35

divided

a= 1.85

You might be interested in
The radius, r, of a circle is one-half of the length of its diameter, d. r= r= d + r = d 2 r = d r = d
PIT_PIT [208]

If the radius is HALF of the diameter, then the expression would be 1/2r=d or d/2=r.

hope it helps!

8 0
3 years ago
For all values of x,<br>f(x) = x^2 + 3x and g(x) = x - 4<br>Show that fg(x) = x^2 - 5x + 4​
Westkost [7]

Answer:

f(g(x)) =  x² - 5x +4

Step-by-step explanation:

<u><em>Explanation</em></u>

Given that the functions

         f(x) = x² + 3 x   and g(x) = x-4

     f(g(x)) = f(x -4)   (∵ g(x) = x-4)

              = (x-4)² + 3(x-4)

              = x² - 2(4)x + 4² + 3x -12

             = x² - 8 x + 16 + 3x -12

             = x² - 5x +4

∴ f(g(x)) =  x² - 5x +4

4 0
3 years ago
What is the volume of 1.5 Tonne of sand of density 2600 kg/m3?  <br>​
Mrac [35]

Answer: 0.58 m^3

Step-by-step explanation:

V= 2600 / 1500

= 0.58 m^3

5 0
3 years ago
I just started learning about rate and I am stuck on a question.(A watch keeps perfect time but only has an hour hand. If the ho
8090 [49]

Answer:

36 minutes past 1, or 1:36

Step-by-step explanation:

A watch normally has an hour hand that does one revolution in 12 hours.

It takes 1 hour to go from the 1 o'clock position to the 2 o'clock position.

Since 1 hour equals 60 minutes, it takes 60 minutes to go from the 1 o'clock position to the 2 o'clock position.

The hour hand is 3/5 of the way from 1 to 2, so the number of minutes past 1 o'clock is 3/5 of 60 minutes.

3/5 of 60 minutes =

= 3/5 * 60 minutes

= 3/5 * 60/1 minutes

= 180/5 minutes

= 36 minutes

The time is 36 minutes past 1, or 1:36

7 0
2 years ago
2.03+7.89 estimate Please Help Asap
Oduvanchick [21]
The correct answer is 9.92
6 0
3 years ago
Read 2 more answers
Other questions:
  • Elizabeth uses 23.25 ounces of granola and 10.5 ounces of raisins for 15 servings of trail mix. If each serving contains the sam
    13·1 answer
  • tell whether the quotient is greater than or less than the dividend when you divide a whole number by a fraction . explain your
    9·1 answer
  • Solve 6^(4x+1)=5^(x-3) for x
    13·2 answers
  • 13+5 = 6E + (-4 ) + (-5 )<br>simplify​
    13·1 answer
  • Multiply.<br><br> 8.12⋅30.3<br> no answers are telling me and I'm stuck
    15·2 answers
  • PLEASE ANSWER ASAP! I WILL GIVE BRAINLIEST ANSWER !!!
    10·1 answer
  • How do you write 7 1 \12 as a whole number
    8·1 answer
  • 5 1/2+4 3/4? <br> Please show work
    9·1 answer
  • <img src="https://tex.z-dn.net/?f=%5Csf%20-4%289x%2B9%29" id="TexFormula1" title="\sf -4(9x+9)" alt="\sf -4(9x+9)" align="absmid
    7·2 answers
  • Can someone help me please
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!