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Juliette [100K]

2 years ago

14

What can graphs be used for?

1 answer:

enot [183]2 years ago

7 0

Answer:

D. All of the above.

Step-by-step explanation: Please brainliest if correct!

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Dan wants to grow new grass in his yard. The yard is 12 feet by 20 feet. 1 package of grass seed will cover 50 square feet. Dete

ozzi

Find square footage of his yard
assuming is is roughtly a rectangle
area of rectangle=length times width
length=20ft
width=12 ft

area=length times width=20 times 12= 240 square feet

how many packages?
1 pack times x is at least 240
1 pack times x>240
50 times x>240
divide both sides by 50
x>4.8
you can't buy 0.8 pack, so round up
5 packs needed

3 0

3 years ago

Read 2 more answers

Please help, it's urgent!

Aneli [31]

For this case we have to, by defining properties of powers and roots the following is fulfilled:

$\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}$

We must rewrite the following expression:

$\sqrt [3] {8 ^ {\frac {1} {4} x}}$

Applying the property listed we have:

$\sqrt [3] {8 ^ {\frac {1} {4} x}} = 8 ^ {\frac{\frac {1} {4} x} {3} }= 8 ^ {\frac {1} {4 * 3} x} = 8 ^ {\frac {1} {12} x}$

Using the property again we have to:

$8 ^ {\frac {1} {12} x} = \sqrt [12] {8 ^ x}$

Thus, the correct option is option C

Answer:

Option C

6 0

3 years ago

Read 2 more answers

Find the length of the line joining the points A(-2,10) and B(-8,2)

Vesnalui [34]

Length of the line

= $\sqrt{((-2)-(-8))^{2}+(10-2)^{2} }$

= $\sqrt{36+64}$

= $\sqrt{100}$

= 10

6 0

1 year ago

What is the exact value of BC?<br>A. 3.16<br>B. 5\|2<br>C. 7.07<br>D. 25<br>

Natalija [7]

Answer:

$C. \: \: 7.07$

Step-by-step explanation:

Coordinates of B are

$(5,5)$

Coordinates of C are

$(4, - 2)$

Distance between two points

$\sqrt{({x_2 - x _1 {)}^{2} + (y_2 - y_1 {)}^{2} }}$

Distance of BC

$\sqrt{(4 - 5) {}^{2} + ( - 2 - 5 {)}^{2} }$

$\sqrt{ { (- 1}^{2}) + ({ - 7}^{2}) }$

$\sqrt{1 +49 }$

$\sqrt{50}$

$7.07$

3 0

2 years ago

Pls answer<br><br> 5x-7y=58<br> y=-x+2

Zinaida [17]

Answer:

x = 6

y = -4

Step-by-step explanation:

Plug y into the first equation.

5x - 7(-x+2) = 58

Then, solve for x.

Plug in x back to any one of the equations to find y.

8 0

2 years ago

Read 2 more answers