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elena-14-01-66 [18.8K]
3 years ago
13

Justin and his sister Stephanie are discussing

Mathematics
1 answer:
Solnce55 [7]3 years ago
5 0
84% -Justin
90% -Stephanie

Stephanie scored 6 points higher.
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What is 7 - (-4) ? I got -24
koban [17]

Answer:

11

Step-by-step explanation:

7-(-4) is 11. You must make the subtraction symbol in the middle to addition, since you have 2 negatives. Two negatives = postive. So after you do that it would be 7+4=11

Hope this helped!

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Help ASAP please ..<br> Explain answer ..
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C

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La suma de las edades de A y B es 23 años y el producto es 102 años. Hallar ambas edades
KonstantinChe [14]

A+B=23 (17+6= 23)
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3 years ago
What would the equation be for the question " four more than double a number is 24" ?​
KATRIN_1 [288]

Answer:

2x + 4 = 24

tep-by-step explanation:

6 0
3 years ago
How many different pairs of regular polygons can be made with 16 toothpicks? WILL MARK BRAINLIEST 35 POINTS!
telo118 [61]

Answer:

6

Step-by-step explanation:

We can make:

A 3 sided shape and a 13 sided shape (3 + 13 = 16)

A 4 sided shape and a 12 sided shape (4 + 12 = 16)

A 5 sided shape and an 11 sided shape

A 6 sided shape and a 10 sided shape

A 7 sided shape and a 9 sided shape

2 8 sided shapes

Therefore the answer is 6.

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3 years ago
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