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
Gennadij [26K]
2 years ago
12

Someone help me with these math problems please Please

Mathematics
2 answers:
Kazeer [188]2 years ago
8 0

Answer:

a=15 26.1 + b =54.6

Step-by-step explanation:

for the second question we first multiply 8.7 by 3 which gives us 26.1 and since there is only one answer with 26.1 it's it.

Montano1993 [528]2 years ago
7 0

Answer:

a = 15

34.8 + b = 54.6

Step-by-step explanation:

First one:

5a - 10b = 45  (b = 3)

5a - 10(3) = 45

5a - 30 = 45

5a = 75

a = 15

Second one

b + a + 3a = 54.6

b + 4a = 54.6   ( a = 8.7)

b + 4(8.7) = 54.6

b + 34.8 = 54.6

34.8 + b = 54.6

You might be interested in
A rental moving truck can haul a maximum of 7,500 pounds. Dejuan has boxes that weigh 40 pounds and boxes that weigh 75 pounds.
enyata [817]

Answer:

It is the 3rd graph. The other dude lied and tried to trick me but its the 3rd graph.

Step-by-step explanation:

The 3rd graph C

5 0
3 years ago
Help I tried to do the page but I couldn't
ahrayia [7]
Sarah wanted to share her apple with 3 of her friends , but she only had 1/2 of an apple left. What math problem should she write to figure out how to split her apple. Explain your answer.
6 0
3 years ago
mr. Choi spent $23 at the mall. If he left the mall with $59, how much money did he have when he first arrived at the mall?
Temka [501]

Answer: 82

Step-by-step explanation:

59+23=82

Check

82-23=59

8 0
3 years ago
Find x if c(x) = $350.50
nikdorinn [45]

Answer:

this is kind of a wierd question, but here is the answer. x=350.50/c

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
The value, V(m), of a comic book m months after publication has an average rate of change of –0.04 between m = 36 and m = 60. Wh
german

Answer:

C. The value of the comic book decreased by an average of $0.04 each month between m = 36 and m = 60.

Step-by-step explanation:

The average rate of change for the function f(x) from x_1=a and x_2=b is

\dfrac{f(b)-f(a)}{b-a}

It is a measure of how much the function changed per unit, on average, over that interval.

Actually, this is the slope of the line passing through two points on the graph of the function.

If the average rate of change of the function f(x) between m = 36 and m = 60 is -0,04, it means that the value of the comic book decreased (because of negative number -0.04) by an average of $0.04 each month (a unit in this case is a month) between m = 36 and m = 60.

3 0
2 years ago
Read 2 more answers
Other questions:
  • a photographer shines a camera light at a particular painting forming an angle of 50 degrees with a camera platform at the light
    14·1 answer
  • What is the area of this rectangle?
    15·2 answers
  • Explain how to solve the equation x divided by 9 =14
    13·1 answer
  • Need answers ASAP
    15·2 answers
  • All that is left in a packet of candy are 7 reds, 4 greens, and 2 blues, What is the probability that a random drawing yields a
    6·2 answers
  • PLEASE HELP!! WILL GIVE BRAINLIEST!!!
    6·2 answers
  • An angle measures 2° more than the measure of its supplementary angle. What is the measure of each angle?
    5·1 answer
  • You opened a checking account with $250 and have been spending $35 every week. How much will
    10·2 answers
  • Use the graph to the right to write an equation of the line​
    5·1 answer
  • Solve the equation: q –10 = -10
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!