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Amiraneli [1.4K]
3 years ago
8

Sonya’s average so far is 84 for 3 math tests. What must she get on the fourth test to have an average of 88

Mathematics
1 answer:
ioda3 years ago
7 0

Answer:

she will need to get a 100 on the fourth test

Step-by-step explanation:

(252+x)/4 = 88

252+x = 352

x = 100

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4 burgers cost $40 he needs 14 how much will 14 burgers cost
Naddika [18.5K]

Answer:

14 burgers cost 140.

Step-by-step explanation:

since 4 burgers cost 40 dollar you can assume each burger costs 10 but since he needs 14 you multiply 14 burgers times 10(the cost) and you get 140

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Alex777 [14]

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112 in.³

Step-by-step explanation:

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you can also say that they are the additive inverse of each other

Step-by-step explanation:

7 0
3 years ago
10<br> which line represents the axis of symmetry?
defon

Answer:

The y axis

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3 0
2 years ago
Hi can someone help me with this question?.. I don't understand it what so ever
aniked [119]

so a normal diff of squares is (a^2-b^2)

factored it is

(a+b)(a-b)

and we know when exponents are multiplied together they’re added, so if you know that the b value is a square of a number, then look at the exponent

look at 1 y^4 is a square since y^2 x y^2 = y^4

and 144 is the square of 12

both terms can be square rooted and there is a - sign, meaning a diff of squares:

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the second one is the only one that is not a difference of squares

sorry i know i’m bad at explaining things

3 0
3 years ago
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