10. How many solutions does the equation have? 4b − 10 = 2(2b − 5) A. zero solutions
B. one solution
C. infinitely many solutions

Answers

Answer 1

Answer: 4b - 10 = 2 (2b - 5)
4b - 10 = 4b - 10
4b - 4b = -10 + 10
b = 0

Hence, b has only one answer so,
we can say that this equation has only one solution.

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A circuit is supplied with 24 volts and its load offers a total resistance of 400 ohm. What’s the total circuit power?

Answers

Answer:

P = 1.44 Watts

Step-by-step explanation:

We know that the relation between voltage and current in a simple circuit with a resistor is

V = I.R

Where

V = the voltage of the source

I = current of the circuit

R = resistance

The power is defined as

P = V.I

Which is the same as

P = V.(V/R)

P = (24 v)^2 / (400 ohm)

P = 1.44 Watts

A video game that normally sells for $80 is on sale for $68. What is the percent of discount for the sale price ?

Answers

the discount is 15% off
80-68=12
12 is 15% of 80

Answer:The discount is 15%

Step-by-step explanation:80-68=12. 12 is 15% of 80

PLEASE HELP! I WILL MARK YOU AS BRAINLIEST!

Answers

number three the first one number 4 the 3rd one

Roger is making sandwiches for a picnic. He has a choice of white or wheat bread. He has a choice of turkey, roast beef, chicken, or ham for sandwich fillings. How many different sandwich types can he make?

A.
2

B.
6

C.
8

D.
16

Answers

The answer is c because 2 types of bread times 4 types of meat equals 8 different sandwich combinations

Sarita showed the steps to solving the equation. 5 (x minus 3) + 7 (x + 4) = 73 Steps Sarita’s Solution Sarita’s Verification 1 5 x minus 15 + 7 x + 28 = 73 5 (5 minus 3) + 7 (5 + 4) = 73. 5 (negative 2) + 7 (9) = 73. Negative 10 + 63 = 73. 53 not-equal-to 73. 2 (5 + 7) x + (negative 15 + 28) = 73 3 12 x + 13 = 73 4 12 x + 60 5 x = 5 When Sarita tried to verify her answer, she found it was wrong. Which explains her mistake? Sarita’s solution is correct. She made an error in her verification. Sarita was supposed to add the 5 and 7 in the first step. Sarita added +13 instead of Negative 13 in the fourth step. Sarita was supposed to use the division property of equality in the third step.

Answers

Answer: First option.

Step-by-step explanation:

The complete exercise is attached.

Given the following equation:

$5 (x-3) + 7 (x + 4) = 73$

The steps to solve it are:

1. Apply the Distributive property:

$5x-15+7x+28=73$

2. Add the like terms:

$12x+13=73$

3. Subtract5 13 from both sides of the equation:

$12x+13-(13)=73-(13)\n\n12x=60\n\n$

4. Divide both sides of the equation by 12:

$(12x)/(12)=(60)/(12)\n\nx=5$

To verify it, let's substitute $x=5$ into the equation:

$5 (5-3) + 7 (5 + 4) = 73$

Evaluating, we get:

$5 (2) + 7 (9) = 73\n\n10+63=73\n\n73=73$

Based on this, we can determine that Sarita's solution is correct, but she made an error in her verification (Observe that $5-3\neq -2$ )

Answer:A

Step-by-step explanation:

Suppose the residuals for a data set containing 6 points were plotted on aresidual plot. At most, how many of the 6 residuals could be above the x-axis?