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zhenek [66]
3 years ago
8

Please please please help!! this is a quiz please please give an explanation too

Mathematics
1 answer:
PolarNik [594]3 years ago
8 0

Answer:

A) The temperature dropped 12 degrees over 3 hours. How much did it change each hour.

Step-by-step explanation:

This is the only one that makes sense. If you were to divide 12 by 3 you would get 4 degrees dropped every hour. The other two answer choices are just complety wrong.

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charmaine and tesha each have a number of cards, in the ratio 2:3. tesha and holly have a number of cards in the ratio 2:1. if t
Sav [38]
C:t=2:3
t:h=2:1

multiply first equation by 2 and 2nd by 3
c:t=4:6
t:h=6:3
so
c:t:h=4:6:3

if t is 4 more than c
t is 6 units and c is 4
6-4=2
so 4=2 units
2=1 unit

hollly is 3 units
3*2=6
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A jar contains 133 pennies. A bigger jar contains 127 times as many pennies. What is the value of the pennies in the bigger jar?
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Answer:

16,891 pennies

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Step-by-step explanation:

3 0
3 years ago
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Which two methods can you use to solve any quadratic equation?
Evgesh-ka [11]

Answer:

Factorization method 2. Completing square method 3. Formula method 4.

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5 0
3 years ago
Ethan’s dad is five years younger than four times Ethan’s age a write an algebraic expression that represents the age of Ethan’s
timofeeve [1]

Answer:

y=4x-5

Step-by-step explanation:

Let

y -----> Ethan’s dad age

x ----> Ethan’s age

we know that

The algebraic expression that represents the age of Ethan’s dad is equal to

y=4x-5

6 0
3 years ago
Two functions are shown below<br><br> f(x)=8x+10<br> g(x)=6x-4<br><br> What is f(4)-g(3)?
N76 [4]

Answer:

c.28

Step-by-step explanation:

Given

f(x) = 8x + 10 and g(x) = 6x - 4

f(4) = 8*4 + 10

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g(3) = 6 * 3 - 4

      = 18 - 4

      = 14

Now

f(4) - g(3)

= 42 - 14

=28

hope it will help :)

3 0
3 years ago
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