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Lesechka [4]
3 years ago
15

Please find the value of x and y.​

Mathematics
1 answer:
myrzilka [38]3 years ago
8 0

Answer:

x = 11

y = 3

Step-by-step explanation:

ΔTUV ≅ Δ HJK

JK = UV    {Corresponding parts of congruent triangles}

2x - 4 = 18

      2x = 18 + 4

      2x = 22

         x = 22/2

         x =  11

HK = TV

6y - 5 = 4y + 1           {Subtract 4y form both sides}

6y - 5 - 4y = 1

      2y - 5 = 1        {Add 5 to both sides}

           2y = 1 + 5

          2y = 6

            y = 6/2

            y = 3

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If the food and beverages cost $21.60 before a 7% meal tax is applied, what is the total cost of the bill
GaryK [48]

Answer:

$23.11

Step-by-step explanation:

We can use a proportion to find the meal tax

7 : 100 = x : 21.60

x = (21.60 * 7)/100 = $1,512

Final cost = 21.60 + 1,512 = $23.11

5 0
3 years ago
3. What is the value of the expression 5x -2 when = 3/4
yaroslaw [1]

Answer:

Step-by-step explanation:

Pay attention to the procedure:

(5(10)^2)^3/(10(5))^4. What we need is plug in the corresponding x and y values Then you have to do x squared before you multiply it by 5 like this: (5(100))^3/(10(5))^4 Now solve for what is in the top parenthesis. (500)^3/(10(5))^4 500^3=125000000 Now work on the denominator. Do what is inside the parenthesis first 10*5=50 Now (50)^4=6250000 Now divide the numerator and the denominator. 125000000/6250000 Which equals 20, Please check if I'm wrong but I think this is what you need

4 0
3 years ago
a CD Usually sells for $12. If the city is 10% off, sale tax is 8% what is the total price of this CD including tax
Minchanka [31]
Hey You!

12 * 10% = 1.20

12 - 1.20 = 10.80

10.80 * 8% = 0.864

10.80 - 0.864 = 9.936

The total price of this CD, including tax, is: $9.94
3 0
4 years ago
When will the rates be the same?
MAXImum [283]
They always will be because when you simplify 4(5x+8) you will get 20x+32 which is the same thing Hope I helped.
6 0
3 years ago
Find the difference (5a^2+4ab-3b^2)-(-5ab+4b^2+3a^2)
Vesna [10]

Answer:

\boxed{\bold{2a^2+9ab-7b^2}}

Step By Step Explanation:

Remove Parenthesis: (a) = a

\bold{5a^2+4ab-3b^2-\left(-5ab+4b^2+3a^2\right)}

Simplify \bold{-\left(-5ab+4b^2+3a^2\right)}

\bold{5ab-4b^2-3a^2}

Rewrite Equation:

\bold{5a^2+4ab-3b^2+5ab-4b^2-3a^2}

Simplify \bold{5a^2+4ab-3b^2+5ab-4b^2-3a^2}

\bold{2a^2+9ab-7b^2}

- Mordancy

8 0
3 years ago
Read 2 more answers
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