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Dafna11 [192]
3 years ago
12

In a class of 35 students, 10 students have a brother, 15 have a sister and 7 have both a brother and a sister.

Mathematics
1 answer:
stiks02 [169]3 years ago
8 0
So what is the question?
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Value of t? 1.4t — 0.4 (t — 3.1) = 5.8
IceJOKER [234]

Hi!

<h3>Use the distribution property</h3>

1.4t — 0.4 * t - 0.4 * —3.1 = 5.8

1.4t — 0.4t - 1.24 = 5.8

<h3>Simplify</h3>

1t - 1.24 = 5.8

<h3>Add 1.24 to both sides</h3>

1t - 1.24 + 1.24 = 5.8 + 1.24

1t = 7.04

<u>t = 7.04</u>

<h2>The answer is t = 7.04</h2>

Hope this helps! :)

-Peredhel

6 0
3 years ago
HELP PLZ ...........WITH ALL OF THEM
Setler79 [48]

Answer:

1/2

Step-by-step explanation:

We first find the least common multiple, which is 6. Therefore, we can multiply 1/3 x 2/2 (since 2/2 is equal to one and won't change the final amount) and get 2/6. 2/6+1/6=3/6, or 1/2.

7 0
3 years ago
If there are 16oz in a pound how many oz are in 10 pounds
liq [111]
160oz. This is because, knowing that there are 16oz in one pound, you can multiply 16 by how many pounds you have to get the oz measurement. In this problem, we multiplied 16 by 10, getting 160oz.
4 0
3 years ago
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What is the number three thousand eighty expressed in scientific notation?
valentinak56 [21]

Answer:

3.08 x 10^{3}

Step-by-step explanation:

3080 = 3.08 x 1000 = 3.08 x 10^{3}

6 0
3 years ago
Brainliest for correct answer
kherson [118]

Answer:

a =b

b=d

Step-by-step explanation:

alt angle

corresponding angle

5 0
3 years ago
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