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
Minchanka [31]
3 years ago
7

Given that a = 2,5= 2 and C = -1 work out 2b – 3ac

Mathematics
1 answer:
poizon [28]3 years ago
6 0

Step-by-step explanation:

2b-3ac

=2×2-3×2×(-1)

= 4+6

=10

You might be interested in
A student is solving the equation 4^x–1 = 64^x+3.
Doss [256]
The answer is <span>x - 1 = 3x + 9

All steps are:
</span>Step 1: 4ˣ⁻¹ = 64ˣ⁺³<span> 
Step 2: 4</span>ˣ⁻¹ = (4³)ˣ⁺³ <span>
Step 3: 4</span>ˣ⁻¹ = 4³ˣ⁺⁹ 
Step 4: x - 1 = 3x + 9
Step 5: x - 3x = 1 + 9
Step 6: -2x = 10
Step 7: x = 10/-2
Step 8: x = -5
4 0
4 years ago
Read 2 more answers
Use the formula to evaluate the series 3+6+12+24+48+96
marysya [2.9K]
Multiplication by 2.
6 0
3 years ago
Read 2 more answers
I don't understand this
Taya2010 [7]
The answer to the problem is B.
7 0
4 years ago
Read 2 more answers
Show that 4/9 - 1/6 = 5/18
ludmilkaskok [199]

Answer:

Step-by-step explanation:

4/9-1/6=5/18

5 0
3 years ago
Read 2 more answers
Find the arc length of the following problem:​
Harrizon [31]

Answer:

61.261 {ft}^{2}

Step-by-step explanation:

\frac{270}{360}  \times 2\pi \: r \\  \frac{270}{360}  \times 2 \times \pi \times 13 \\  = 61.261 {ft}^{2}

<h3>Can I have the brainliest please?</h3>
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the slope of (3, 3) and (-6, -3)
    6·2 answers
  • the length of the shadow of a pole on level ground increases by 90m when the angle of elevation of the sun changes from 58 degre
    10·1 answer
  • 300,719,287,824 + 297,789,000,086
    12·1 answer
  • A fair coin is tossed four times. what is the probability that the sequence of tosses is hhtt?
    9·1 answer
  • What is the area of the figure below?
    12·1 answer
  • The base of this right prism is a rectangle. <br><br><br><br> What is the surface area of the prism?
    7·1 answer
  • Helpppppppppppppppppppppppp
    9·2 answers
  • A restaurant serves a bowl of candies to their customers. The bowl of candies Gabriel receives has 10 chocolate candies, eight c
    13·1 answer
  • A dog is on a 5 ft leash staked to the ground. If he can rotate around the stake, forming a circle, what is the area of the gras
    7·1 answer
  • A bakery has 74 baked goods for sale, and 8 of them are muffins.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!