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NARA [144]
2 years ago
12

Solve the following: If 7a – 4b = 3, then b =

Mathematics
2 answers:
WITCHER [35]2 years ago
7 0

Answer:

D (7a-3)/4

Step-by-step explanation:

7a – 4b = 3

Subtract 7a from each side

7a-7a – 4b = 3-7a

-4b = 3 -7a

Divide by -4

-4b/-4 = (3-7a)/-4

b = (7a-3)/4

blsea [12.9K]2 years ago
4 0

Answer:

b = (7a - 3)/4

Step-by-step explanation:

7a - 4b = 3

=> -4b = 3 - 7a

=> b = (3 - 7a)/(-4)

=> b = -(3 - 7a)/4

=> b = (-3 + 7a)/4

=> b = (7a - 3)/4

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Our friend purchased a medium pizza for $10.31 with a 30% off coupon. What is the price of a medium pizza without a coupon? Do n
Komok [63]

Answer:

the price of a medium pizza without a coupon is 14.73

Step-by-step explanation:

The computation of the price of a medium pizza without a coupon is given below:

Given that

The Price of medium pizza be 10.31 after considering the 30% off coupon

That means it is 70% value

So the 100% value would be

= 10.31 × 1 ÷ 0.70

= 14.73

hence, the price of a medium pizza without a coupon is 14.73

3 0
2 years ago
Identify the slope and y-intercept of the line whose equation is given. Write the y-intercept as an ordered pair. (Remember the
marusya05 [52]

The slope of the given linear equation is 1/3 and the y-intercept will be 5/6. Then the correct option is D.

<h3>What is the slope?</h3>

The slope is the ratio of rising or falling and running. The difference between the ordinate is called rise or fall and the difference between the abscissa is called run.

Identify the slope and y-intercept of the line whose equation is given. Write the y-intercept as an ordered pair.

The linear equation is given below.

\rm  y =\dfrac{5}{6} + \dfrac{x}{3}

Then the slope of the equation will be 1/3.

And the y-intercept will be 5/6.

More about the slope link is given below.

brainly.com/question/3605446

#SPJ1

6 0
2 years ago
Find the slope of the line graphed below.
Dima020 [189]

Answer:

y=1.5x-8

Step-by-step explanation:

this is because you first need to fond the change in the x axis and the y axis which will give you the gradient. Then you will have to substitute any co-ordinate and gives you c.(Y=mx+c) is the equation of a straight line.

5 0
3 years ago
In the triangle below, what ratio is sin θ? right triangle with sides whose lengths are 5, 12, and 13; angle theta is opposite t
butalik [34]
If you sketch the triangle, you need to understand that 12 is the length of opposite side (opposite to theta). Then the longest side is 13 is the hypotenuse. The other side with length 5 is the adjacent side. Thus from the definition of sin(theta)=opposite side/hypotenuse=12/13. A question for you, what is cos(theta)? cos(theta)=5/15 and tan(theta)=12/5
6 0
3 years ago
Read 2 more answers
The Medicare tax rate is 1.45% how much would be withheld form someone paycheck for Medicare with wages of $1,738 for that pay p
Tcecarenko [31]

Answer: \$25.201

Step-by-step explanation:

Given

The Medicare tax rate is 1.45%

The wages of a person is $1738

The amount which is withheld from the person paycheck is

\Rightarrow 1738\times 1.45\%\\\Rightarrow 1738\times 0.0145\\\Rightarrow \$25.201  

7 0
2 years ago
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