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3 years ago

Find it!?!?!??!!!!!

Mathematics

2 answers:

Dvinal [7]3 years ago

5 0

Answer:

(0,-4)

Step-by-step explanation:

Whatever point the line is crossing across the y-axis is the y-intercept

VashaNatasha [74]3 years ago

3 0

Answer:

-4

Step-by-step explanation:

It intercepts the y axis at -4

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Allyson has 4.5 pieces of rope to use for a tire swing. If each full piece is 2 2/3 feet long, how much rope does Allyson have i

Scorpion4ik [409]

Answer:

12 feet

Step-by-step explanation:

4.5 pieces of rope = 9/2 pieces in fractions

Also, 2 2/3 can be rewritten as 8/3 in fractions

So, 9/2 *8/3 = 72/6 = 12 feet

Allyson has 12 feet of rope in all.

6 0

4 years ago

(20 points)Solve the equation cos x = sin (x + 22)

Law Incorporation [45]

Answer:

$\bold{x = 34^\circ}$

Step-by-step explanation:

Given:

$cos x = sin (x + 22^\circ)$

To solve:

The given equation.

Solution:

First of all, let us consider an important property of sine and cosine.

$sin(90^\circ-\theta )=cos\theta$

$cos(90^\circ-\theta )=sin\theta$

We can apply above property to solve for $x$ as per given equation.

$cos x = sin (x + 22^\circ)$

Changing $cosx$ to sine form:

$cosx=sin(90^\circ-x)$

$cosx=sin(90^\circ-x) = sin(x+22^\circ)$

$\therefore 90^\circ-x=x+22^\circ\\\Rightarrow 90^\circ-22^\circ=x+x\\\Rightarrow 2x=68^\circ\\\Rightarrow \bold{x = 34^\circ}$

So, solution to the equation $cos x = sin (x + 22^\circ)$ is:

$\bold{x = 34^\circ}$

7 0

3 years ago

Can you ever use a calculator to determine if a number is rational or irrational?explain.

AysviL [449]

Yes, for fractions you can multiply the denominator by the numerator. For square roots you can use the square root button.

8 0

3 years ago

Read 2 more answers

Lucy loves to wear gloves. She has four red gloves and two blue gloves in her drawer. They are not separated into pairs. One dar

rjkz [21]

Matching gloves........

8 0

3 years ago

Help pls I no it’s simple but I don’t understand pls look at the pictures or image pls pls number 1 pls

NeTakaya

Answer: The answer would be No, Yes, No.

Step-by-step explanation:

Look at the grid, you can see that it has 100 units in all.

0.42 equals 21/50, so they are both wrong. The denominator would have to be 100. The only logical one would be the second one.

4 0

3 years ago

Find it!?!?!??!!!!!​

Find it!?!?!??!!!!!