Use the linear combination method to solve the system of equations. –3x + 8y = 16 3x + 4y = 8 What is the value of x? –1 0 1 2

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Explanation:

Focus on triangle HKL. This is a right triangle with the horizontal leg KL = 2. The vertical leg is the unknown side HK. The hypotenuse is HL shown by the single tickmark.

Triangle HKJ is also a right triangle. It shares the leg HK and the hypotenuse JH is congruent to HL as indicated by the single tickmark.

By the hypotenuse leg theorem, we can show that triangle HKL is congruent to triangle HKJ

From there, the corresponding pieces JK and KL must be the same length. So we can say JK = 2 because KL = 2.

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Now use the segment addition postulate

GK = GJ + JK

GK = 7 + 2

GK = 9

Focus now on triangle GKH and triangle MKH. We can prove these are congruent triangles using the hypotenuse leg theorem. Here HK = HK as mentioned before; also, GH = HM due to the double tickmarks.

As you can probably guess by now, the hypotenuse leg theorem only applies to right triangles.

Since  triangle GKH is congruent to triangle MKH, we know that

GK = KM

Since GK = 9, this makes KM = 9.

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Therefore,

GM = GK + KM

GM = 9 + 9

GM = 18

Answer:

3x 2 +7 = 13 + 5x3+10= 38

Step-by-step explanation:

38 is your answer. Hope I helped.

Answer: So you need to do the slope-intercept form  for y = mx+b so that you can find the slope of m.

Step-by-step explanation:

-y  =  3  −  2 x

Multiply each term:

1 y = 3⋅ −1 + (−2x)⋅ −1

y = 3. −1 + (−2x)⋅ −1

y=−3+(−2x)⋅−1

y=−3+2x

y=2x−3

I would use T-Shirts as sweatshirts make you no profit. 20 hours = 1200 / 10 (cuz it takes 10 min) = 120.

So you can make 120 shirts. 120 x4(for the cost of supplies) =$ 480.

you would make profit of 120 x 6 = 720.

720 - 480 = 240.

You would make $240 profit of making 120 shirts

+18 on each side

h=46

Answer: h = 46

Step-by-step explanation:

hope this helps what your looking for

Answer:

A

Step-by-step explanation:

slope is rise over run 4/1 so the slope is 4 and intercept is 3.

Answer:

y=-6

Step-by-step explanation:

3y+7=-11

3y=-11-7

3y=-18

y=-18/3

y=-6

Answer:

p = 14t

Step-by-step explanation:

y = kx

The rate k = 210 ÷ 15 = 14 gel pens per minute

"p" is number of pens, "t" is number of minutes

p = 14t

Answer:

23/12

Step-by-step explanation:

Answer:

10-7 = 3/4  -15+8= -7/6

7/6 x 2 both numbers = 14/12

3/4 x 3 both numbers = 9/12

9 +14 is 23/12

Answer is 3/4 and -7/6

Answer:

[tex]x=\sqrt[4]{3}-1[/tex] or [tex]x=0.316[/tex]

Step-by-step explanation:

To write this equation you would need to use this equation for growth.

Final amount=initial amount (1+growth rate)^time

We have the final amount, 15,000, the initial amount, 5,000, and the time, 4 years. Now we have to plug in the values. We can write the growth rate as x.

[tex]15,000=5000(1+x)^4[/tex]

Now start by dividing both sides by 5000.

[tex]\frac{15000}{5000} =(1+x)^4[/tex]

[tex]3=(1+x)^4[/tex]

Now you can find the fourth root of both sides to get rid of the exponent.

[tex]\sqrt[4]{3} =1+x[/tex]

Finally, subtract 1 from both sides.

[tex]x=\sqrt[4]{3}-1[/tex]

And, if allowed, you can use a calculator to find the value in decimal form which would be:

[tex]x=0.316[/tex]

Answer:

2730

Step-by-step explanation:

700*39/10

700*39 = 27300

Then you divide by 10

So 2730.

Answer:

2x plus 3 hope this helps. Mark as brainlist

Answer:

45 miles to 1 hour

45 mph

Answer:

45 miles in 1 hour

Step-by-step explanation:

you divide 5 hrs into 225 miles to get the unit rate of 1:45.

Answer:

A - 25%

B - 100%

C - 75%

Step-by-step explanation:

I'm pretty sure. Hope this helps. If the shape is divided into 4 equal parts, each one would be worth 25%.

Answer:

A 55° angle is a specific measure of a geometric figure is shown in the image. Therefore, option 'C' is correct.

Step-by-step explanation:

As protectors normally have two sets of numbers going in opposite directions.

As it is clear from the figure that the protector as the '0 mark' is the bottom edge of the protractor, while the 'center point' of the protector is being placed on the vertex of the angle.

From the figure, it is also clearly visible if we are able to read the degrees where the other ray of the angle is crossing the protractor, the protector is showing the 55° angle.

Therefore, a 55° angle is a specific measure of a geometric figure is shown in the image. Therefore, option 'C' is correct.

9514 1404 393

Answer:

Step-by-step explanation:

1. The shape of each cut surface is the same shape as the base it is parallel to: a rectangle. It is an 8" by 10" rectangle.

__

2. The area of each cut surface is the area of the rectangle:

  A = LW = (10")(8") = 80 square inches

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3. The total area of cut surfaces is the sum of the two areas on either side of the cut:

  new surface area = 2 × 80 square inches = 160 square inches

Answer:

B

Step-by-step explanation:

Its to protect the rights of citizens so that the central government doesnt gain too much power to themselves

Answer:

right angle

Step-by-step explanation:

Answer:a,b, and d

Step-by-step explanation:

Answer:

11 i thinks the answer

Step-by-step explanation:

sorry if im wrong mark me as brainliest

Answer:

2

Step-by-step explanation:

So first you would set your two numbers as variables. Let y be the greater number and x be the smaller number. This means that our equation for y will be x + 8. Now all we need to do is add x and y. INSTEAD of using y, we will SUBSTITUDE with the equation for y, x + 8. Now our equation looks like

x + (x + 8) = 72

Answer:

C

Step-by-step explanation:

You start with 15 dollars then you can use up to x amount of tickets.

Answer: c

Step-by-step explanation:

Answer:

Sí, descargaste Música ese año, descargaste 15 canciones.

Step-by-step explanation:

Así que la ecuación comenzaría por los planes de sitio que se restan del costo total de los pagos de años: $13.74 - $9.99 la respuesta es $3.75

luego dividir la respuesta que obtuvo por $0.25 con el fin de averiguar cuántas canciones que compró que es 15.

Espero que esto ayude

Answer:

200000000000000000000000000000002

Step-by-step explanation:

Answer:

200000000000000000000000000000002

Step-by-step explanation:

Answer:

4x+1

Step-by-step explanation:

Add f(x) and g(x):

3x-1+x+2

  4x+1

Answer:

Step-by-step explanation:

Triangles are congruent by SAS postulate.

Answer:

2267.96 grams

Step-by-step explanation:

Claculator

Answer:

I belive it's 2267.96 grams and 2268 grams rounded

Step-by-step explanation:

used calculator