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TiliK225 [7]
3 years ago
13

This is not a multiple choice question. Please help!

Mathematics
1 answer:
Shkiper50 [21]3 years ago
5 0
Complentary angle = 90 degrees
 
90 - 16 = your answer
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If 111 people attend a concert and tickets for adults cost $4 while tickets for children cost $3.25 and total receipts for the c
VikaD [51]

Answer:

57 children

54 adults

Step-by-step explanation:

Let's call x the number of children admitted and call z the number of adults admitted.

Then we know that:

x + z = 111

We also know that:

3.25x + 4z = 401.25

We want to find the value of x and z. Then we solve the system of equations:

-Multiplay the first equation by -4 and add it to the second equation:

-4x - 4z = -444

3.25x + 4z = 401.25

----------------------------------

-0.75x = -42.75

x =\frac{-42.75}{-0.75}\\\\x=57

Now we substitute the value of x in the first equation and solve for the variable z

57 + z = 111

z = 111-57

z = 54

5 0
3 years ago
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Which statement is true about this graph
bezimeni [28]

B: the relationship is proportional

8 0
3 years ago
Please answer the following attached image:
hoa [83]
The correct answer is D.Please mark me as Brainliest!
8 0
3 years ago
Read 2 more answers
Can someone plsss help :)
OLga [1]
Set equal to eachother
(2x+1) = 79
Subtract 1 from both sides
2x=78
Divide 2 from both sides
2x/2=78/2
X= 39
5 0
3 years ago
HELP PLEASE ILL GIVE BRAINLIEST
iren [92.7K]

The surface of the triangle count formula

A = b*h*1/2

A - area

b - base

c - height

The 1st triangle

A₁ = b₁*h = 6in * 8in *1/2= 24in²


The 2nd triangle

A₂ b₂*h = 10in * 8in*1/2 = 40in²


The total area of the two triangles is 24in² + 40in² = 64 square inches





3 0
3 years ago
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