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inysia [295]
3 years ago
11

Landon is entering the science fair. He has a budget of $115. He has spent 20% of the money on new materials. How much does Land

on have left to spend?
Mathematics
2 answers:
Sedaia [141]3 years ago
6 0
92 dollars because 20 percent is 23 dollars so the answer is 92 dollars
WITCHER [35]3 years ago
5 0
Landon has $92 left because if you divide 115/.20 you get 23 and then you subtract 115-23=92 or $92.
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You have $98 in your savings account. You withdraw $5.50 and Deposit $22.75 what is the new balance show your work
wlad13 [49]

Answer:

$114.08

Step-by-step explanation:

subtract 5.50 from 98.00 and get 92.05

             98.00

          -    5.50

_______________

             92.5

then add 92.05 and 22.75 to get 114.08

4 0
3 years ago
The total length of three boards is 7/8 of a yard. The length of two of the boards are 1/4 of a yard and 3/16 of a yard. What is
grigory [225]

Answer:

7/16 of a yard

Step-by-step explanation:

Let's put the boards to the same denominator so it's easier.

Let's go with a denominator of 16

1/4= 4/16

7/8= 14/16

3/16 stays the same.

So, 4/16+3/16+x=14/16

7/16+x=14/16

x=7/16 of a yard, the length of the 3rd board.

6 0
3 years ago
 If the trapezoid below is reflected across the x-axis, what are the coordinates of B'?
Grace [21]
The x-coordinate remains the same as the x-coordinate of point B.
The y-coordinate becomes the additive inverse of the y-coordinate of point B.

Answer: B. (3, -8)

9 0
3 years ago
Read 2 more answers
Can you please help me THAKS! IN A HURRY IT'S midnight and I am trying to finish my work from home My parents allow me to ask
rusak2 [61]

Answer: 6.82

Step-by-step explanation:

So we know the Law of Sines which is that Sin A/a = Sin B/b = Sin C/c. The Sin on top of the fraction is the angle, and the letter on the bottom is the side opposite from that angle.

Our first step is going to be finding the last angle. We have 2 angles already, but one that's missing. We know that all triangles' angles add up to 180, so we can add 68+40=108. Then do 180-108 to get 72. Now we know the third and final angle.

Ok so back to Law of Sines. Now we can plug into that equation. We only need Sin A/a = Sin B/b (It doesn't matter what order you put them in). And remember the lowercase letter at the bottom represents the OPPOSITE side from one of the angles. Since the problem wants the side opposite Sin 68, let's set up a proportion.

\frac{Sin72}{7} =\frac{Sin 68}{x}

Set up we have what we know. We know one side, and opposite that is the angle we already solved for. Now we can cross multiply and end up with:

x (Sin 72)= 7(Sin 68)

Since we want to isolate x, we can divide each side by Sin 72.

x= 7(Sin 68)/Sin 72

So now let's put it into the calculator:

7(Sin 68)=6.2853

Now let's divide 6.2853/Sin 72

And you should be left with 6.82 if you round it!

7 0
3 years ago
A car is traveling at a rate of 100 kilometers per hour. What is the car's rate in miles per hour? How many miles will the car t
masya89 [10]

Answer:

62mph

Step-by-step explanation:

8 0
3 years ago
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