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Leya [2.2K]
2 years ago
14

Set up and solve the system of equations using

Mathematics
2 answers:
nlexa [21]2 years ago
5 0
54 tickets on parents
ahrayia [7]2 years ago
5 0
I dont know about everyone but I solved and got 90.
Remember each ticket costs 2.50, then the school used $225. So what I did is I divide 225 to 2.50 which gets 90 and that’s how many tickets were sold to parents. How I checked my answer, I times $2.50 for 90 tickets, which still equals to $225 so yeah that’s it...
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Write 45/72 in the simplest form
Oliga [24]
Hi! 

In my opinion, the easiest way to solve a problem like this is to find the greatest common factor (GCF) of the numerator and denominator and then divide both numbers by the GCF. 

So first we need to find the factors of 45 and 72 and find the factor that has the most value that the two numbers both have. 

45: 1, 3, 5, 9, 15, and 45

72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

It looks like the GCF is 9. Now we have to divide 45 and 72 by 9. 

45 ÷ 9 = 5

72 ÷ 9 = 8

So the correct answer should be:

\frac{45}{72} =  \frac{5}{8}

Hope this helps :)
3 0
3 years ago
Round 4.645 to the<br> nearest whole number.
jeka94
5. since .6 is greater than 5, we round up.
7 0
3 years ago
Read 2 more answers
Really need help with this PLZZZZZ WILL GIVE BRAINLIEST PLZZ ASAP I SUCK AT MATHHH
shusha [124]

I'm not sure about the second image.

But the first one is telling you to translate x, 3 units left, and translate y, 4 units up.

(-6, 0) will turn to (-9, 4)

I subtracted 3 from -6 and added 4 to 0.

7 0
3 years ago
What is the value of log(x exponent 2 y exponent 3 divided by z) when given the following:
Gekata [30.6K]

Answer:

B. 13

Explanation:

\sf\:Given\:expression: log(\dfrac{x^2 y^3}{z} )

Logarithm rules:

\sf (i)  \ \sf log(ab) = log(a) + log(b)\\ \\ (ii) \  log(a/b) = log(a) - log(b)\\\\ (iii) \ log(a^n) = n log(a)

Breakdown of the expression:

\rightarrow \sf log\left(\dfrac{x^2y^3}{z}\right)

\rightarrow \sf log\left(x^2\right) + log\left(y^3\right) - log(z)

\rightarrow \sf 2\log\left(x\right)+3\log \left(y\right)-\log \left(z\right)

insert given values

\rightarrow \sf 2(3)+3(2)-(-1)

\rightarrow \sf 13

7 0
2 years ago
Need help ASAP giving 55 points and a branleist
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

1.

Igneous rock can change into sedimentary rock or into metamorphic rock. ... Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool.

2. The three processes that change one rock to another are crystallization, metamorphism, and erosion, and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes.

3. The three types of metamorphism are Contact, Regional, and Dynamic metamorphism. Contact Metamorphism occurs when magma comes in contact with an already existing body of rock.

3 0
3 years ago
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