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Wittaler [7]
4 years ago
13

I really need help answering these problems Please answer any of the questions

Mathematics
1 answer:
Vladimir79 [104]4 years ago
3 0
Oh hey so first you gonna do X over 2-7 is going to equal night OK so
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99 points help SHOW YOUR WORK Q+B=13. When B+3=0
belka [17]

Q+B=13. When B+3=0

You have 2 separate equations.

First solve the 2nd equation for B:

B +3 = 0

Subtract 3 from both sides:

B +3 - 3 = 0-3

Simplify:

B = -3


Now we have a value for B, we can replace b with -3 in the first equation and solve for Q:


Q + -3 = 13

Add 3 to each side:

Q + -3 + 3 = 13+3

Simplify:

Q = 16


So you have Q = 16 and B = -3

7 0
3 years ago
Read 2 more answers
3. The regular polygon below has a radius of 13 cm and an apothem of 12 cm. Solve for the perimeter of the
LenKa [72]

25 because I added it so that why I got that answee

4 0
3 years ago
A bird sees a worm on the ground 50 m. below. The bird dives for the worm at a speed of 6 m/sec. The function h\left( t \right)
iragen [17]

<u>Given</u>:

The height of the bird at time t is given by the function h(t)=-4.9t^2+6t+50

We need to determine the time it takes the worm to be eaten by the bird.

<u>Time taken:</u>

The time can be determined by substituting h(t) = 0 in the function.

Thus, we have;

0=-4.9t^2+6t+50

Switch sides, we get;

-4.9t^2+6t+50=0

Let us solve the equation using the quadratic formula.

Thus, we get;

t=\frac{-6 \pm \sqrt{6^{2}-4(-4.9) 50}}{2(-4.9)}

Simplifying, we get;

t=\frac{-6 \pm \sqrt{36+980}}{-9.8}

t=\frac{-6 \pm \sqrt{1016}}{-9.8}

t=\frac{-6 \pm 31.87}{-9.8}

The values of t are given by

t=\frac{-6 + 31.87}{-9.8}   and   t=\frac{-6 - 31.87}{-9.8}

t=\frac{25.87}{-9.8}    and   t=\frac{-37.87}{-9.8}

t=-2.4    and   t=3.9

Since, the value of t cannot be negative, then t=3.9

Thus, the time taken by the bird to eat the worm is t=3.9 seconds.

Hence, Option B is the correct answer.

5 0
3 years ago
4/5 x 1/4 Write the answer in simplest form.
Arisa [49]

Answer:

0.2 or 1/5 as fraction form

Step-by-step explanation:

Hope this helps?!

:)

3 0
3 years ago
Read 2 more answers
Finding missing angle. PLEASE HELP ME!
pishuonlain [190]

Answer:

x=147°

Step-by-step explanation:

1. Analyze: The angle opposite to the 33 degree angle is 33 degrees because they are vertical angles.

2. Make an equation: The sum of all four angles (x, the angle opposite of x, the 33 degree angle, and the angle opposite of the 33 degree angle) is 360°. Therefore the equation would be (33°x2)+2x= 360°.

3. Solve for x:

      a. Multiply 33 by 2

               66+2x=360

      b. Subtract 66 from both sides

               66+2x=360

               -66       -66

               2x=294

      c. Divide both sides by 2

                  \frac{2x}{2} =\frac{294}{2}

                   x=147

4. Remember to add your label- the degree sign (°)

                  x=147°

4 0
3 years ago
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