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Dafna11 [192]
3 years ago
7

18 7/9 + 16= Simplest form

Mathematics
2 answers:
Basile [38]3 years ago
7 0
The answer should be: 34 7/9
JulijaS [17]3 years ago
6 0
The answer is 23 6/9 or 23.667
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What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)
matrenka [14]

Answer: QS=11.8cm


Step-by-step explanation:

1. You have the following information:

- The lenght of RS is 2 centimeters.

- The angle m∠S=80°.

- Cos80°=0.17

2. Therefore, you can calculate the lenght of the segment QS as following:

cos80=\frac{adjacent}{hypotenuse}

adjacent=2cm\\hypotenuse=QS\\cos80=0.17

3. Substitute values and solve for QS:

0.17=\frac{2cm}{QS}\\QS=\frac{2cm}{0.17} \\QS=11.76cm

4. To the nearest tenth:

QS=11.8cm

6 0
3 years ago
21 = − 6 x − 3 x + 4 + 4 x
horsena [70]

Answer:

x=-17/5

Step-by-step explanation:

1. Simplify  -6x-3x+4+4x−6x−3x+4+4x  to  -5x+4−5x+4.

21=−5x+4

2. Subtract 44 from both sides.

21−4=−5x

3. Simplify  21-4 to 17.

17=-5x

4. Divided both sides by -5.

-17/5=x

5. Switch sides.

x=-17/5

Hope this helps.

4 0
3 years ago
Solve the inequality. Graph the solution.<br><br> d+12&lt;19
Alenkasestr [34]

Answer:

Move all terms not containing d

to the right side of the inequality.

Inequality Form:

d<7

Step-by-step explanation:

Sorry no graph

5 0
3 years ago
Read 2 more answers
Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 1/4, 3/4, and 7/4 B. 8/16, 3/16, and 14/16 C. 1/32, 3/32, and 7/32 D. 4
I am Lyosha [343]
B. 8/16, 3/16, and 14/16
7 0
3 years ago
Read 2 more answers
How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation
dimulka [17.4K]

Answer:

To find the cube root of a number is a bit more complicated and in our days is considered impractical, but here is a method explained. Look at the 2nd example scrolling down about 1/3 of the page

If you want to know the concept of square roots and cube roots ?

the square root of a number is that number which when multiplied by itself two times gives us that number

e.g.

√64 = x , so that (x)(x) = 64

and from our multiplication table we know that

(8)(8) = 64 , so that

√64 = 8

the cube root of a number is that number which when multiplied by itself three times gives us that number

e.g.

∛64 = x , so that (x)(x)(x) = 64 , and thus x = 4 because 4x4x4 = 64

so ∛64 = 4

for 9 I wrote Any decimal which terminates is rational

any decimal which has a repeat is rational

any decimal which does not show any repeating decimals and which is never-ending is irrational

Step-by-step explanation:

6 0
3 years ago
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