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Mekhanik [1.2K]
3 years ago
7

A math teacher surveys 10 randomly selected students in her classes. She finds that 7 of the 10 speak more than one language flu

ently. Based on this information, how many of her 140 students could be expected to speak more than one language fluently?
Mathematics
2 answers:
vodka [1.7K]3 years ago
5 0

Answer:

98

Step-by-step explanation:

let 'x' = # students speaking more than one language

<u> 7 </u> = <u> x </u>

10    140

10x = 980

x = 98

kykrilka [37]3 years ago
4 0

Answer:

       

Step-by-step explanation:

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what is the missing side in a right triangle if one leg measures 5 cm and the longest side measures 13 cm
Alika [10]

Answer:

<u>The missing side is 12 cm length</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the case correctly:

Length of the longest side= 13 cm

Length of one leg = 5 cm

2. Using the Pythagorean theorem for finding the length of the second leg, because this is a right triangle:

2nd leg² = Length of the longest side ² - Length of one leg²

2nd leg² = 13 ²  - 5 ²

2nd leg² = 169  -25

2nd leg² = 144

2nd leg = √144

2nd leg = 12 cm

<u>The missing side is 12 cm length</u>

3 0
3 years ago
-11=(x-3)÷2 what is the solution for x
e-lub [12.9K]

Answer:

          -19

Step-by-step explanation:

                     ~ Distribute:

               - 11 = 1 / 2 x + -3 / 2

                        ~ Flip the equation:

                  1 / 2 x + -3 / 2 = -11

                          ~ Use transposition method:

                     (take -3 / 2 to the other side)

                       1 / 2 x = -11 - (-3 / 2)

                                  = -19 / 2

                                x = -12 / 2 * 2

                                    = -19

Hope this helped

Wishing u a gr8 day

:D

3 0
3 years ago
there is 135 feet of masking tape on a roll henry has 6 rolls. how many feet of masking tape does he have in all?
charle [14.2K]
Henry has 810 feet of making tape 

5 0
3 years ago
Read 2 more answers
Solve for b.<br> r = (b-5)m
alukav5142 [94]

Answer:

b=5m+r/m

Step-by-step explanation:

Let's solve for b.

r=(b−5)(m)

Step 1: Flip the equation.

bm−5m=r

Step 2: Add 5m to both sides.

bm−5m+5m=r+5m

bm=5m+r

Step 3: Divide both sides by m.

bm/m=5m+r/m

b=5m+r/m

Answer:

b=5m+r/m

6 0
3 years ago
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How do I solve (7-6i)(-8+3i)?
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I = {2.666666667, 1.166666667
6 0
3 years ago
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