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Mice21 [21]
3 years ago
9

Select all expressions that are equivalent to -36x+54y-90

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
7 0

Answer:

We need to know what expressions we can select from to help you. Sorry!

Step-by-step explanation:

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Pls help I’m so confused
solniwko [45]

Answer:

Yes

Step-by-step explanation:

First, look for the hypotenuse (diagonal) of the base of the box. We have the two legs: 13 inches and 35 inches.

Set up an equation using the Pythagorean theorem:

13^2+35^2=C^2

Solve for C:

169 + 1225 = C^2

1394 = C^2

C ≈ 37.34

Now that we have the diagonal of the base, we know can move on to find the value of the interior diagonal. We have two legs: 13 inches and 37.34 inches.

Again, set up an equation using the Pythagorean theorem, and solve for the new C:

13^2+37.34^2=C^2

1563.2756 = C^2

C = 39.54

The interior diagonal of the box is approximately 39.54 inches long, which is longer than Kylie's baton, which is 38 inches long. So, she can fit the baton in the box.

Have a nice day! :)

7 0
3 years ago
9(u-2)+15u=8.25<br><br> QUICK!!!!!!!
Aneli [31]

Im pretty sure its 1.09375

7 0
3 years ago
Read 2 more answers
QUICK <br><br> PLZ HELP ME UNDERSTNSD
alex41 [277]

Answer: 37.05m^2

Step-by-step explanation:

Area of shaded region = Area of rectangle - non shaded region (the middle shapes)

Rectangle = 13.7 x 14.4 = 197.28m^2

Left half circle: 3.14 x 6.3^2 = 124.6266m^2

Right half circle: 3.14 x 2.8^2 = 24.6176m^2

Square: 3.3^2 = 10.98 m^2

197.28 - ( 124.63 + 24.62 +10.98 ) = 37.05 m^2

7 0
3 years ago
Read 2 more answers
The age of the Hawaiian islands gets older as you move from east to west. If the half-life of K-40 is 1.3 billion years, approxi
Mumz [18]

Answer:

t \approx 750550.12\,yr

Step-by-step explanation:

The time constant of the isotope is:

\tau = \frac{1.3\times 10^{9}\,yr}{\ln 2}

\tau \approx 1.876 \times 10^{9}\,yr

The decay of the isotope is described by the following model:

\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }

Now, the time is cleared in the equation:

t = -\tau \cdot \ln \frac{m}{m_{o}}

t = - (1.876\times 10^{9}\,yr)\cdot \ln 0.9996

t \approx 750550.12\,yr

5 0
3 years ago
I need help with 1-8 I have no idea how to do this so it you would break to down that I can understand that would be great
dem82 [27]

For these fractions, you need to find a number that can divide the numerator and denominator by the same number. It needs to be simplified down till it can't be simplified any more.


1. 1/9

2. 12/18

3. 5/6

4. 36/45

5. 5/8

6. 6/8

7. 10/12

8. 20/36

8 0
3 years ago
Read 2 more answers
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