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Serhud [2]
3 years ago
10

Some rational numbers are not integers? true or false

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0
The answer is false because every integer is rational. An integer for example,5, can be expressed as 5/1 (which is a rational number)
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3x+6=15<br><br> solve for x<br><br> x= ?
mylen [45]

Answer: x=3

Step-by-step explanation: Subtract 6 from both sides, Simplify  

15−6 to 9, and then divide both sides by three.

3x=15−6

3x=9

x=​9/3

x=3

​

Hope this helps, have a BLESSED day! ☺️

5 0
3 years ago
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An angle measured 10 degrees less than the measure of its complementary angle. Find the measure of both angles
Mazyrski [523]

Answer:

The measure of the angles are 40 degrees and 50 degrees

Step-by-step explanation:

Let

x ----> the measure of one angle in degrees

y ----> the measure of the complementary angle in degrees

we know that

If two angles are complementary, then their sum is equal to 90 degrees

so

x+y=90 ----> equation A

we have that

x=y-10 ----> equation B

Substitute equation B in equation A and solve for y

(y-10)+y=90\\2y-10=90\\2y=100\\y=50

Find the value of x

x=50-10=40

therefore

The measure of the angles are 40 degrees and 50 degrees

3 0
3 years ago
What is the volume of the oblique cone? Round to the
Black_prince [1.1K]

Answer:

142.4 Cubic units

Step-by-step explanation:

V=1/3pir^2h

V=1/3(pi)(4^2)(8.5)

V=142.418866963

5 0
3 years ago
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Solve the following system of equations by elimination. What is the value of y?
svetoff [14.1K]
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7 0
2 years ago
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The difference between a number divided by 3 and 4 is 20.
Alexxandr [17]
Let, the number be "a"

Now, according to the question,
\frac{a}{3} - 4=20

\frac{a-12}{3} =20

a-12 =20*3

a-12=60

a = 60 + 12

a = 72


So, the number is 72

7 0
3 years ago
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