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Roman55 [17]
2 years ago
14

4. 2/3 of the students in Sarah’s class are boys. Of the boys, 13 of them wear glasses. What fraction of the students are boys t

hat wear glasses? Choose the model that matches the situation.
Mathematics
2 answers:
Leto [7]2 years ago
6 0

Answer:

39/2 of the class are boys that wear glasses

Step-by-step explanation:

\dfrac23 \textsf{ of the class are boys.}

\textsf{If 13 of them wear glasses, then} \dfrac{13}{\frac23}} \textsf{ wear glasses.}

13 \div \dfrac23 =13 \times \dfrac32=\dfrac{39}{2}

Ymorist [56]2 years ago
4 0

Yes let's find

The fraction is

\\ \rm\Rrightarrow 13/2/3

\\ \rm\Rrightarrow 13(3)/2

\\ \rm\Rrightarrow 39/2

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Tadashi purchases a model car that is in the ratio 1:10. He finds out the actual car is 1.4 m tall and 3.5 m long. What are the
Alina [70]

The car is 1.4m (140 cm) tall and 3.5 (350 cm) long.


Take 1/10 (1:10) of each of those numbers.


The model is 14 cm tall and 35 cm long.

7 0
3 years ago
ST =19 and RT=67 find RS
Firlakuza [10]

Answer:

48

Step-by-step explanation:

I'm assuming all the points are on one line..

In that case you'd subtract the big segment (67) by the little segment (19) to get the other little segment

3 0
3 years ago
How would I solve 5(x -2) =2x +16?
Alborosie

Answer: First, multiply 5 by x-2 to get 5x-10. We now have 5x-10=2x+16. Subtract 2x on both sides: 3x-10=16. Add 10 to both sides: 3x=26. Lastly, divide by 3x to isolate x: x=8.6666667


5 0
3 years ago
Hank Wants to divide 345 pieces of construction paper evenly among his 23 classmates. How many pieces will be left over?
sleet_krkn [62]

Answer:

There will be no pieces of paper left over. Each student will receive 15 pieces of paper.

Step-by-step explanation:

If you divide the 345 pieces of paper between the 23 classmates, you will end up with 15. There is no remainder or decimal, just 15, a whole number. That means that there will be no pieces of paper left over.

5 0
3 years ago
Use these complex numbers from the table to write the following expression as a complex number in standard form.
xxTIMURxx [149]

Answer:

=  5 − 101i

Step-by-step explanation:

2i(A ∙ E) − C + G

=

2i(-3 − 4i)(8 − 8i) − (13 + i) + (2 + 12i)

=

2i(-24 + 24i − 32i + 32i2) − (13 + i) + (2 + 12i)

=

2i(-24 − 8i − 32) − (13 + i) + (2 + 12i)

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2i(-56 − 8i) − (13 + i) + (2 + 12i)

=

(-112i − 16i2) − (13 + i) + (2 + 12i)

=

(16 − 112i) − (13 + i) + (2 + 12i)

=

(16 − 112i) + (-13 − i) + (2 + 12i)

=

(16 − 13 + 2) + (-112i − i + 12i)

=

(16 − 13 + 2) + (-112 − 1 + 12)i

=  5 − 101i

5 0
3 years ago
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