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
ratelena [41]
3 years ago
11

Please help with this!

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0

9514 1404 393

Answer:

  -11

Step-by-step explanation:

DeYanna's cards are ...

  black: 2, 4, for a total value of 2+4 = 6

  red: 7, 10, for a total value of -(7+10) = -17

Then the total value of DeYanna's cards is ...

  6-17 = -11

You might be interested in
Arah went to the grocery store and bought 4 loaves of bread and 1 gallon of milk for $12. The next week, Sarah bought 2 loaves o
sergejj [24]

Answer:

Here, b represents one loaf of bread and m represents the one gallon of milk.

As per the statement:

Arah went to the grocery store and bought 4 loaves of bread and 1 gallon of milk for $12.

⇒4b+m = 12  

It is also given that the next week, Sarah bought 2 loaves of bread and 3 gallons of milk for $13.50.

⇒2b+3m = 13.50

Then; system of equation :

4b+m = 12                   .....[1]

2b+3m = 13.50           .....[2]

Solve for b and m using above system of equations.

Multiply equation [2] by 2 we get;

4b+6m = 27              .....[3]

Subtract equation [1] from [3] we get;

4b+6m - 4b -m= 27-12

Combine like terms;

5m= 15

Divide both sides by 5 we get;

m = $3

Substitute the value of m in equation [1] we get;

4b+3 = 12

Subtract 3 from both sides we get;

4b=9

Divide both sides by 4 we get;

b = $2.25

Therefore, cost of one loaf of bread (b) and one gallon of milk (m) are:

$2.25 ad $3



3 0
3 years ago
Winston owns a coffee cart. He charges $3.50 for a cup of coffee, and it costs him $1.50 to make each cup of coffee plus $100 a
jekas [21]

Answer:

50 cups of coffee

Step-by-step explanation:

So what you do is take 3.50 then subtract 1.50 to get the profit of one cup of coffee. ($2) Then you do the $100 and divide it by the $2 and find out how many cups of coffee he has to sell to get to the $100. (50)

6 0
3 years ago
Find the sum of 5(-3.4k -7) + (3k +12) and please show work
pishuonlain [190]
5(-3.4k-7)+(3k+12)=\ \ \ \ | omiting\ brackets\\\\
-17k-35+3k+12=\\\\
-14k-23\\\\
Solution\ is\ -14k-23
5 0
3 years ago
Which triangle’s unknown side length measures 7 units?
kow [346]

A (A right triangle with a side length of 5 and hypotenuse with length \sqrt{74})

8 0
3 years ago
Read 2 more answers
If you help me I’ll mark brainliest
Dafna11 [192]

Answer:

1= 2x+74

or,

or,

or

now,

1+3= being straight angle

5 0
3 years ago
Other questions:
  • At one farmer's market, bananas cost $0.80 per pound. At another farmer's market, bananas are sold in 5-pound bags for $4.50 per
    12·2 answers
  • 24 ten thousands in rename numbers
    8·1 answer
  • Arnie's car used 100 cups of gasoline during a drive. He paid $3.12per gallon for gas how much did the gas cost
    13·2 answers
  • Fill in the two blank boxes!!! help plzzz<br><br>sorry this is not math lol its science
    6·1 answer
  • How do solve (3/8+2/3)+1/3 how do you work the problem
    5·1 answer
  • PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!No one is helping :(
    10·1 answer
  • an ___ is a statement of equality of two algebraic expressions involving one or more unknown quantities​
    8·2 answers
  • Can somone help me please!!!
    6·1 answer
  • A-D help please I’ll mark brainliest determine if they are equivalent you only have to put yes or no for A-b or 1-4
    8·1 answer
  • Find the distance between the points (-8, -3) and (-2, 5). Hint: Use the Pythagorean theorem. ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!