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Black_prince [1.1K]
3 years ago
9

Find the value of 2 numbers if their sum is 9 and their difference is 1

Mathematics
2 answers:
Sloan [31]3 years ago
5 0
Makes no sense.

p.s i am a fourth grader
Kazeer [188]3 years ago
5 0
The number are 4 and 5.
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I need help i'm really stuck
Ivenika [448]

Answer:

8

Step-by-step explanation:

If the area is 32 and the formula for area of a triangle is base * height / 2, and you have base = 8 and height = x and area = 32, this would be:

8 * x / 2 = 32

Now, solve:

8x/2=32\\4x=32\\x=8

4 0
3 years ago
Read 2 more answers
How many solutions does a triangle with side lengths a = 4, A = 112º and b =<br>9 have?​
Ainat [17]

Answer:

This case has NO solutions.

Step-by-step explanation:

Notice that you are in a case of an obtuse triangle (one of its angles is larger than 90 degrees), the side opposite to the obtuse triangle is shorter than the side adjacent to the angle, so no actual triangle can be formed.

This can be found by simply trying to apply the Law of Sines to solve for the value of angle "B" opposite to side "b":

\frac{sin(A)}{a} =\frac{sin(B)}{b}\\sin(B)=\frac{b\,sin(A)}{a}\\sin(B)=\frac{9\,sin(112^o)}{4}\\\\sin(B)=2.086

As shown above, we get an impossible mathematical condition (also call an absurd), since the sine of an angle cannot give a value larger than 1 (one).

Therefore, there is no angle we can find to build a triangle with the given data.

7 0
3 years ago
A fence is to be installed around a rectangular field. the​ field's perimeter is 204204 feet. find the dimensions of the field i
dem82 [27]
204204 - 16 = 204188
204188 / 4 = 51,047

width = 51,047
length = 51,055
4 0
3 years ago
The cost of eight stress balls and five T-shirts is $111.75. The cost of twelve stress balls and four T-shirts is $102.00. What
aksik [14]
Let's say stress ball cost x and t shirt cost y
8x+5y=111.75
12x+4y=102.00→3x+y=25.5→y=25.5-3x

8x+5(25.5-3x)= 111.75
8x+127.5-15x=111.75
-7x=-15.75
x=2.25

12x+4y=102
12(2.25)+4y=102
27+4y=102
4y=75
y=18.75

d is the correct answer
6 0
3 years ago
Specify three fractions with different denominators that have a LCD of 24 then arrange the fractions in order from least to grea
romanna [79]
We can just guess  20/24,     10 / 24   and 8 / 24

From the least to the greatest:

8/24, 10/24,    20/24

8/24 = 1/3            10/24 = 5/12            20/24 = 5/6

So it is:

1/3,  5/12, 5/6

I hope this helps.
  
3 0
3 years ago
Read 2 more answers
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