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oee [108]
3 years ago
7

Solve for X in the following equations 1) 50-4x = 14 2) 6(3x-2)+5x = 57

Mathematics
1 answer:
Sliva [168]3 years ago
5 0
1.)    50 - 14 = 4x
x = 50 - 14 divided by 4 = 36/4 = 9. 
                    x = 9

2.)     6(3x) -12 + 5x = 57
           18x + 5x = 57 + 12
               23x=69
                  x = 69 divided 23 = 3
                       x = 3
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Find the value of x for which line a is parallel to line b.
mote1985 [20]

Answer:

A. x=34^o

Step-by-step explanation:

We have been given a graph of two parallel lines and we are asked to find the value of x.

We can see that angle that measure x and the angle that measure 34 degrees is inside our parallel lines a and b and on the opposite side of transversal, so these angles are alternate interior angles.

Since the alternate interior angles are equal, therefore, value of x is 34 degrees and option A is the correct choice.  

7 0
3 years ago
I got 10 min to submit pls I need it asap
babymother [125]

Answer:

We just need the equations to equal the same, which is y.

5+1.10x=y

3+1.50x=y

5+1.10x= 3+1.50x

Let's get x by itself by subtract 3 from both sides.

2+1.10x= 1.50x

Now subtract 1.10x from both sides.

2= 0.4x

Now divide each side by 0.4

5=X

So, at 5 games they're the same cost. Let's find the cost.

5+1.1(5)= 5+5.5=10.50

3+1.5(5)=3+7.5= 10.50

So, at 5 games, they are $10.50.

Hope this helps! :)

5 0
2 years ago
What is -11 + 3(b + 5) = 7​
IRISSAK [1]

Answer:

b=1

Step-by-step explanation:

\sf -11 + 3(b + 5) = 7

<u>First, let's regroup, terms,</u>

\sf 3(b+5)-11=7

<u>Add 11 to both sides,</u>

\sf 3(b+5)=7+11

<u>Simplify, 7+11 = 18,</u>

\sf 3(b+5)=18

<u>Now, divide both sides by 3,</u>

\sf b+5=\frac{18}{3}

<u>Simplify, 18/3 = 6,</u>

\sf b+5=6

Subtract 5 from both sides,

\sf b=6-5

\sf b=1

Hope it helps! :)

7 0
2 years ago
12 stars / 30 balloons = x / 120 balloons
OlgaM077 [116]

Answer: 48 stard

Step-by-step explanation:

12 stars = 30 balloons

? = 120 balloons

Solve

120/30 x 12 = 48

7 0
3 years ago
Read 2 more answers
Naty bought a dress for $24.95 and a skirt for $14.95.
FrozenT [24]

Answer:

Total items = $39.90

Sales tax amount = $3.7905

Total cost = $43.691

The clerk's error is using 9.5 as sales tax amount instead of finding 9.5% of the total items

Step-by-step explanation:

Dress = $24.95

Skirt = $14.95

steps the clerk completed.

Step 1: 24.95 + 14.95 = 39.90

Step 2: 39.90 +9.5 = 49.40

Correct steps:

Total items = dress + skirt

= $24.95 + $14.95

= $39.90

Sales tax = 9.5%

Sales tax amount = 9.5% of total

= 9.5/100 × $39.90

= 0.095 × 39.90

= $3.7905

Total cost = Total + sales tax amount

= $39.90 + $3.7905

= $43.6905

To the nearest hundredth

= $43.691

Sales tax is the amount of money imposed by government on the sales of some items

Total cost is the cost of all items including sales tax

7 0
2 years ago
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