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3 years ago

Name three rational numbers that are between 7 and 8

Mathematics

2 answers:

DerKrebs [107]3 years ago

7 0

7.1 and 7.5 because any integer is a rational number

lyudmila [28]3 years ago

6 0

My guess is 7.1, 7.3, and 7.5

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Simplify the expression. 16 x 4 -4

Lorico [155]

Answer:

The answer is 60

Step-by-step explanation:

16 x 4 - 4

64 - 4

Hope this helped!

7 0

2 years ago

Find all solutions to the equation. cos x = sin x

svetoff [14.1K]

If you were to draw the cosx and sinx graph there will be infinite solutions at their interceptions which are the multiple of pi/4

8 0

3 years ago

Help please, I need it

Helen [10]

Partial Answer:

For #10 the solutions are 2 and 5

Step-by-step explanation:

Solutions for an equation can be x-intercepts, or where it touches the x or horizontal line. The equation in #10 touches the x line at 2 and 5.

5 0

2 years ago

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

$x+y=90$ ----> 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

The graphs below have the same shape. Complete the equation of the red<br> graph.

inn [45]

Answer:

Step-by-step explanation:

F(x) = 2 - x²

3 0

3 years ago