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
Helen [10]
3 years ago
14

NEED HELP FAST!!!!!!!!!!!

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

Answer:a=3/4

b=3/4

Step-by-step explanation:

3a+5b=6

9a+7b=12

-3(3a+5b)=-3(6)

9a+7b=12

-9a-15b=-18

9a+7b=12

-8b=-6

b=3/4

3a+5(3/4)=6

3a+15/4=6

3a=9/4

a=3/4

You might be interested in
In ΔWXY, the measure of ∠Y=90°, XW = 89, WY = 80, and YX = 39. What ratio represents the cosine of ∠X?
BartSMP [9]

Answer:

It's 39/89

Step-by-step explanation:

cos X = adjacent/ hypotenuse = 39/89

6 0
2 years ago
Aimee is flying a plane for the first time! The air traffic controller tells her to fly at 500 m above the ground or higher. Wri
Aleonysh [2.5K]
H > =  500...(thats greater then or equal to)
7 0
3 years ago
What is 76.78 rounded to the nearest whole number?
galben [10]
Lets look at the number. 76.78. In each of the different place holders the number is higher than 5. Lets do some examples. 74 rounded to the nearest whole number is going to be 70. 76 rounded to the whole number will be 80. The .78 in your question also contributes. 

Answer: 80
6 0
3 years ago
Read 2 more answers
T-6= -12<br> 8<br><br> I NEED HELP ASAP
ankoles [38]

Answer:

Step-by-step explanation:

t

=

−

122

8 0
3 years ago
Suppose your diet is such that your daily saturated fat allowance shouldn't exceed 20g. If a Snickers bar has 5g of saturated fa
ss7ja [257]
Answer: 25%

Step by step explanation:
1. Turn it into a fraction (5/20)
2. Turn the faction into a decimal by dividing the numerator (5) by the denominator (20). (5÷20=0.25)
3. Multiply the decimal (0.25) by 100, to convert it into a percentage. (0.25×100=25%)
4 0
3 years ago
Other questions:
  • What is the common ratio and explicit formula for -2,6,-18,54?
    11·1 answer
  • Select the point that is a solution to the system if inequalities yx^2-6
    10·1 answer
  • What is the slope of this equation 1/2x - 1/3
    7·2 answers
  • In order to solve for the variable in the equation 1-(x+2)+ 2X= 5(2x-5)- Mikel first applies the distributive property.
    14·1 answer
  • Mrs.Wang is 23 years older than her daughter. In 5 years, their ages will total 63. How old are they now
    14·2 answers
  • Which fraction is closest to zero?<br> +<br> 0<br> CLEAR<br> CHECK
    9·1 answer
  • Can someone help<br> - wrote an equation of the line in slope intercept form
    5·1 answer
  • If 50% of a number is 150 and 30% of the same number is 90, find 80% of that number.
    13·2 answers
  • The diameter of a circle is 34 yards. What is the circle's area? Use 3.14 for ​.
    11·2 answers
  • The table below represents the function f, and the following graph represents the function g. x -6 -5 -4 -3 -2 -1 0 1 f(x) 8 -2
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!