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Mama L [17]
4 years ago
5

Can anybody help me that knows this stuff?

Mathematics
1 answer:
Marysya12 [62]4 years ago
8 0
You have you break it downn like you would order of operations and u should get your answer 
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X = 11<br> 1-4x + y = -23<br> Solve the system of equations.
mash [69]
Y=20
You can plug in 11 for X and do the math from there on
5 0
3 years ago
Read 2 more answers
Given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula. T
lions [1.4K]

Answer:

The measurement of the width is <u>20 ft</u>.

Step-by-step explanation:

Given:

The perimeter is 94 ft and the length is 27 ft.

Now, to find the unknown measurement.

Perimeter = 94 ft.

Length = 27 ft.

Let the width of the rectangle be x.

So, to get the width we put formula of perimeter:

Perimeter=2\times (length+width)

94=2\times (27+x)\\\\94=54+2x

<em>Subtracting both sides by 54 we get:</em>

<em />40=2x<em />

<em>Dividing both sides by 2 we get:</em>

20=x\\\\x=20\ ft.

Therefore, the measurement of the width is 20 ft.

4 0
3 years ago
The interior angles of a triangie have measures 100° (4y + 25) ° , and (3y + 20) What is the value of y?
Mama L [17]

Answer:

since the sum of all angles of a triangle is 180°

Step-by-step explanation:

so 100°+4y+25°+3y+20=180°

145°+7y=180°

7y=180°-145°

7y=35°

y=5°

4 0
2 years ago
In each part (a)-(d) below, some additional assumptions about the
Viktor [21]

In the triangle, the fact that wee are given 2AX = 3XD isn't enough to prove similarity.

<h3>How to explain the triangle?</h3>

a. In the question, we are given 2AX = 3XD. An arbitrary triangle AXB can be drawn where one extends AX and choose a point D on the extended line in order for 2AX = 3XD. Also, extend BX and choose a point C on the line so that 2BX = XC. Even though they both satisfy the condition, they're not similar.

b. We are given that AX/BX = DX/CX. When this is rearranged, we'll have AX/DX = BX/CX. In this case, let AX/DX = k. DX and AX will align upon rotation of 180°. The triangle can then be dilated by a factor of k. This brings about the mapping of triangle DXC to AXB. Therefore, the original triangle DXC is similar to AXB.

c. Lines AB and CD are parallel. Here, the dilation moves line CD onto line AB. Here, since the dilation moves D to a point on ray XA, D must move to A. Therefore, the rotation of triangle DXC is similar to AXB. Therefore, DXC is similar to AXB.

d. Here, angle XAB is congruent to angle XCD. This shows similarity and in this case, XCD is similar to XAB.

Learn more about triangles on:

brainly.com/question/28021872

#SPJ1

4 0
2 years ago
Devin runs a factory that makes Blu-ray players. Each R80 takes 9 ounces of plastic and 2 ounces of metal. Each G150 requires 3
alexira [117]

9514 1404 393

Answer:

  R80: 12

  G150: 54

  Best Profit: $582

Step-by-step explanation:

Let x and y represent the numbers of R80 and G150 players, respectively. The constraints of the problem are ...

  0 ≤ x ≤ 18 . . . . . a maximum of 18 R80 can be built

  0 ≤ y . . . . . . . . . only non-negative numbers can be built

  9x +3y ≤ 270 . . . . ounces of plastic used cannot exceed 270

  2x +6y ≤ 348 . . . . ounces of metal used cannot exceed 348

The objective is to maximize the profit function ...

  P(x, y) = 8x +9y

The attached graph shows profit is a maximum of $582 per week when 12 R80 players and 54 G150 players are produced.

_____

Since the maximum profit is at a value of x less than 18, we didn't bother to graph that constraint.

5 0
3 years ago
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