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3 years ago

Choose one of the squares facts from problem 1

Mathematics

1 answer:

I am Lyosha [343]3 years ago

7 0

Answer:

Ok its that one

Jk idk what it is

And since there there is no options or more to the question Thanks for the 5 pts

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Solve<br> 2x + 4 - 3x = -11

Dvinal [7]

Answer:

x = 15

Step-by-step explanation:

1. Combine like terms

2x - 3x = -x

2. Rewrite original equation

-x + 4 = -11

3. Subtract four from both sides of the equation.

-x + 4 = -11

- 4 - 4

-x = - 15

4. Divide by -1 on both sides to get rid of the negative signs:

x = 15

4 0

3 years ago

Read 2 more answers

A country has a total biocapacity of 6.21 ha/person, a biocapacity of grazing land of 0.85 ha/person, and a biocapacity of fores

leonid [27]

Answer:

44.8 %

Step-by-step explanation:

Let p = the number of people. Then

Total biocapacity = 6.21p ha

Grazing biocapacity = 0.85p ha

Forest biocapacity = <u>2.53p </u>

Grazing + forest = 2.78p ha

$\text{Percent grazing + forest} = \dfrac{\text{grazing + forest}}{\text{Total}} \times 100 \, \% \\\\= \dfrac{\text{2.78p ha}}{\text{6.21p ha}} \times 100 \, \% = \mathbf{44.8 \,\%}$

6 0

3 years ago

Seven pens and two pencils costs $6.59. seven pens and five cost $7.55. Find the cost of one pencil and the cost of one pen.

serg [7]

Let one pen be $x$ and one pencil as $y$ , we can produce two equations in terms of $x$ and $y$

$7x+2y=6.59$ ------> Equation 1
$7x+5y=7.55$ ------> Equation 2

We can use either Elimination or Substitution method. Let's try the substitution method

Rearranging equation one to get $7x=6.59-2y$ and substitute into equation 2, gives
$(6.59-2y)+5y=7.55$
$6.59+3y=7.55$
$3y=7.55-6.59$
$3y=0.96$
$y=0.32$

We can use either equation one or equation to work out $x$

$7x+2(0.32)=6.59$
$7x=6.59-0.64$
$x=0.85$

The price of one pen is $0.85
The price of one pencil is $0.32

5 0

3 years ago

Question 2<br> Solve for the missing angle.

Eva8 [605]

Answer:

43.76=44

Step-by-step explanation:

Cosx=adjacent/ hypotness

X=cos^-1(13/18)=43.76=44

6 0

3 years ago

The ratio of North American butterflies to South American butterflies at a butterfly park is 5:3.The ratio of South American but

Black_prince [1.1K]

$5x-\ north\ americal butterflies\\
3x-\ south\ american\ butterflies\\\\
5x=30\ \ | divide\ by\ 5\\
x=6\\ 3x=18\\\\
3x-\ south\ american\ butterflies\\
2x-\ european\ butterflies\\\\
2x=2*6=12\\\\
There\ are\ 12\ european\ butterflies\ and\ 18\ south\ american\\ butterflies.$

7 0

4 years ago