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nordsb [41]
3 years ago
8

2x -3y=4:(2,) fill the other coordinates

Mathematics
2 answers:
Eduardwww [97]3 years ago
5 0

A coordinate is (x , y)

They gave you: (2 , ?)    you know x is 2, and now you need to it's y-coordinate


2x - 3y = 4      Since you know x is 2, you can plug in 2 for "x" in the equation

2(2) - 3y = 4

4 - 3y = 4    Subtract 4 on both sides

4 - 4 - 3y = 4 - 4

-3y = 0        Divide -3 on both sides

y = 0            (2, 0)

JulsSmile [24]3 years ago
4 0

Answer:

x = 2 + 1.5y

Step-by-step explanation:

Simplifying

<em>2x + -3y = 4</em>

Solving

<em>2x + -3y = 4</em>

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3y' to each side of the equation.

<em>2x + -3y + 3y = 4 + 3y</em>

Combine like terms: -3y + 3y = 0

<em>2x + 0 = 4 + 3y</em>

<em>2x = 4 + 3y</em>

Divide each side by '2'.

<em>x = 2 + 1.5y</em>

Simplifying

<em>x = 2 + 1.5y</em>

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Because 50% of something means half (because 100-50=50), he would have to make the number of girls and boys equal. Since there are 21 girls, he has to make it so there are also 21 boys.
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4 0
3 years ago
Can someone help me with this problem that is in the picture
olga_2 [115]

Answer:

141°

Step-by-step explanation:

39*2 = 78

360 - 78 = 282

282/2 = 141

7 0
3 years ago
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00:57
prisoha [69]
<h3>Given:</h3>
  • h= 19 ft
  • r= 12 ft
<h3>Note that:</h3>
  • h= Height
  • r= Radius
<h3>To find:</h3>

The volume of the given cone.

<h3>Solution:</h3>

\large\boxed{Formula:V= \frac{1}{3}\pi{r}^{2}h}

\large\boxed{\red \pi \red = \red 3 \red . \red 1 \red 4}

Let's solve!

Substitute the values according to the formula.

V=\frac{1}{3}×3.14×{12}^{2}×19

\large\boxed{V=2863.68 \: {ft}^{3}}

<u>Therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>volume</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>given</u><u> </u><u>cone</u><u> </u><u>is</u><u> </u><u>2863.6</u><u>8</u><u> </u><u>cubic</u><u> </u><u>feets</u><u>.</u>

5 0
2 years ago
Find the area of the following shape.
ad-work [718]

Answer:

57 units^2

Step-by-step explanation:

First find the area of the triangle on the left

ABC

It has a base AC which is  9 units and a height of 3 units

A = 1/2 bh = 1/2 ( 9) *3 = 27/2 = 13.5

Then find the area of the triangle on the right

DE

It has a base AC which is  6 units and a height of 1 units

A = 1/2 bh = 1/2 ( 6) *1  = 3

Then find the area of the triangle on the top

It has a base AC which is  3 units and a height of 3 units

A = 1/2 bh = 1/2 ( 3) *3  = 9/2 = 4.5

Then find the area of the rectangular region

A = lw = 6*6 = 36

Add them together

13.5+3+4.5+36 =57 units^2

5 0
3 years ago
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What is a equation in slope intercept form for the line that has a slope -1 that passes through (-4,3)
aleksley [76]

slope is -1

m=-1

we have a point as (-4,3)

we can use slope intercept form of line

y=mx+b

we can plug m=-1

y=-x+b

now, we can plug point (-4,3)

x=-4 and y=3 and then we can find b

3=-1*-4+b

b=-1

now, we can plug back

and we get

y=-x-1............Answer

5 0
4 years ago
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