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puteri [66]
2 years ago
14

The ratio of males to females in the class is 5 to 9. If the lunchroom has the same ratio but 45 females, how many males are in

the lunchroom?​
Mathematics
2 answers:
kakasveta [241]2 years ago
6 0

Answer:

25

Step-by-step explanation:

45 times 5 = 225

225 divided by 9 = 25

disa [49]2 years ago
5 0

Answer:

25

Step-by-step explanation:

5:9 and x:45

45*5/9 which is 25

Hope this helps!

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PLS help me with this question
Vinvika [58]

Answer:

80, 20 suvs in 45 vehicles, 45 is 1/4 of 180, so just multiply 20 times 4 and the answer you get is 80

4 0
2 years ago
Solve for y 2x+y-3z=5
Elza [17]

Answer:

<h3>A. y=-2x+3z+25</h3>

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<u>To solve:</u>

  • The value of y.

\Longrightarrow: \sf{\sqrt{2x+y-3z}=5}

<h3>2x+y-3z=25</h3>

<u>First, you have to subtract by 2x-3z from both sides.</u>

\Longrightarrow: \sf{2x+y-3z-\left(2x-3z\right)=25-\left(2x-3z\right)}}

<u>Solve.</u>

\Longrightarrow: \boxed{\sf{y=25-2x+3z}}}

  • <u>Therefore, the correct answer is "A. y=-2x+3z+25".</u>

I hope this helps, let me know if you have any questions.

4 0
1 year ago
Read 2 more answers
Find the sum. then use commutative property of addition to write the related sentence
adelina 88 [10]
Addition is defined as one of the main basic operation of mathematics. Addition is also defined as the process of adding one of more numbers. For the addition operation, there are many number of properties used. In that, one of the property is known as the commutative property of addition. It states that the change of order does not change the value of addition. Commutative property of addition is true for all types of numbers including imaginary numbers. So you can pretty much use any numbers ex.2 + 3 = 3 + 2
4 0
3 years ago
One side of a triangle is two times the second side. The third side is 5 feet longer than the second side. The perimeter of a tr
Sphinxa [80]
Second side= x
First side = 2x
Third side = x+5
x+2x+x+5=49
4x=44
x=11

1st side= 22
2nd side = 11
3rd side = 16
3 0
2 years ago
Can someone tell me how to do this? with steps?
MrRa [10]

Answer:

Step-by-step explanation:

In Δ AFB,

∠AFB + ∠ABF + ∠A = 180   {Angle sum property of triangle}

90 + 48 + ∠1 = 180

       138 + ∠1 = 180

                 ∠1 = 180 - 138

∠1 = 42°

FC // ED and FD is transversal

So, ∠CFD ≅∠EDF   {Alternate interior angles are congruent}

     ∠2 = 39°

In ΔFCD,

∠2 + ∠3 + ∠FCD = 180

39 + ∠3 + 90 = 180

         129 +∠3 = 180

                   ∠3 = 180- 129

∠3 = 51°    

3 0
2 years ago
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