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
solmaris [256]
3 years ago
5

B=3/4a A+b= 21 Solve for a and b

Mathematics
1 answer:
maxonik [38]3 years ago
4 0

Answer:

A=12 B= 9

Step-by-step explanation:

You might be interested in
Evaluate this exponential expression.
Levart [38]

Answer:

(-27)^\dfrac{2}{3} = 9

Step-by-step explanation:

Given that,

Asn expression : (-27)^\dfrac{2}{3}

We need to evaluate the above expression.

We know that, (-3)^3=-27

So,

(-27)^\dfrac{2}{3}=(-3)^{3\times \dfrac{2}{3}}

or

=(-3)^2\\\\=-3\times -3\\\\=9

So, the value of (-27)^\dfrac{2}{3} is 9. Hence, the correct option is (b).

8 0
3 years ago
Which of the following is the slope of the line<br> A. -3<br> B. 1/3<br> C. -1/3<br> D. 3
Crazy boy [7]

A

Ask if explanation needed :)


6 0
3 years ago
65yards and 2feet equall hiw many feet
Black_prince [1.1K]
We know that 1 yard equals 3 feet, therefore, we have:
65(3) + 2
=  195 + 2
= 197
therefore, 65 yards and 2 feet equals 197 feet
5 0
3 years ago
Read 2 more answers
A store buys a digital watch for $80 and sells it for $95 what is the percent of increase
Marina86 [1]
About 1.19 %

80*1.19= 95.2 Since 2 is not 5 or above it get knocks down to 95 exactly 
8 0
3 years ago
What plus what equals -8 ?
Vinil7 [7]

Answer:

-4+-4

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • Ron has 20 apples he used two fifthsof the apple to make pies.how many apples did Ron us for pies?
    13·1 answer
  • A rectangular floor is 9 yards long and 3 yards wide. What is the area in square feet!
    14·2 answers
  • Please help!! Find the slope (-5, -2), (-3, -6)
    6·1 answer
  • Write a function that transforms in the following way vertical stretch by a factor of six and ships four units left and four uni
    15·1 answer
  • Solve for x.
    13·2 answers
  • A watt is a unit of power, which measures energy used per unit time. A kilowatt hour means 1 kilowatt of electricity used contin
    15·1 answer
  • If g(x)= x^2 -x, find g(-1)+4
    6·1 answer
  • I’ll give the Brainliest to who answers this question with a reasonable explanation.
    8·2 answers
  • Plases help help help help
    8·2 answers
  • good moring yall anyone know how to do this i have a idea but i think im wrong so anyone want to clear that up for me?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!