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mart [117]
3 years ago
7

Please help me I will def give brainliest <3

Mathematics
1 answer:
stealth61 [152]3 years ago
7 0

Answer:

1) 10:1:3

2)a. Soup-20 oz. Cheese-2 cups, Pasta-6 cups

2)b. Soup-5 oz. Cheese-1/2 cup, Pasta-1 1/2 cups

2)c. Soup-50 oz. Cheese-5 cups, Pasta-15 cups

2)d. Soup-2 oz. Cheese- 1/5 cup, Pasta-3/5 cup

3) 3:6 = 1:2

4)a. 3 batches

4)b. 6 batches

4)c. 1/2 batch

Elaboration

1) Yes, because it simplifies down to 5:3.

2) Yes, because it also simplifies down to 5:3.

3) 25:15 and 35:21

4) If they share a zoom factor then they are equivalent.

5) Equivalent ratios are ratios that make the same comparison of numbers.

Evaluation

1) 2:3

2) They are equivalent because they share a zoom factor of 2.

Last Page

4)a. 28 oz of cream cheese. (35*0.8)

4)b. 4.8 weeks (1.6*3)

4)c. $4,000 (4*1,000)

Evaluation

1) 2 lbs-$6, 0.33 lbs-$1, 1 lbs-$3

2) 0.33 is the amount in pounds that you can get at the price of $1, and 1 pound of grapes will cost $3

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The area of a door is 3024 square inches. If
olasank [31]

Answer:

Lets take all factors into consideration first

The door is a rectangle and the area of a rectangle is length times width

Let the width be w

Let the length be l

Equation length × breadth = area

(w+48)w = 3024

w^2 + 48w = 3024

w^2 + 48w - 3024 = 0

w^2 + 84w - 36w - 3024 = 0

w(w + 84) -36 ( w + 84) = 0

(w + 84) (w - 36) = 0

w + 84 = 0 AND w - 36 =0

w = -84 and w = 36

Since width cannot be negative, the right answer is 36

How did I get 84 and 36? Well, I had to factorize 3024 and since 84 times 36 is 3024 and 84 minus 36 is 48, I chose them.

7 0
3 years ago
Which is the completely factored form of 3xsquared<br> -12x-15?
tekilochka [14]

Answer:

3(x - 5)(x + 1).

Step-by-step explanation:

3x^2 - 12x - 15

Dividing through by 3:

= 3(x^2 - 4x - 5)

We need 2 numbers whose sum is -4 and whose product = -5. That is -5 and +1 , so the factors are:

3(x - 5)(x + 1).

7 0
3 years ago
(Geometry course question) Explain why it is not possible to construct an equilateral triangle that has
Nutka1998 [239]

Answer:

  √3 is irrational

Step-by-step explanation:

The location of the third point of a triangle can be found using a rotation matrix to transform the coordinates of the given points.

<h3 /><h3>Location of point C</h3>

With reference to the attached figure, the slope of line AC is √3, an irrational number. This means the line AC <em>never passes through a point with integer coordinates</em>. (Any point with integer coordinates would be on a line with rational slope.)

<h3>Equilateral triangle</h3>

The line segments making up an equilateral triangle are separated by an angle of 60°. If two vertices are on grid squares, the third must be a rotation of one of them about the other through an angle of 60°. The rotation matrix is irrational, so the rotated point must have irrational coordinates.

The math of it is this. For rotation of (x, y) counterclockwise 60° about the origin, the transformation matrix is ...

  \left[\begin{array}{cc}\cos(60^\circ)&\sin(60^\circ)\\-\sin(60^\circ)&\cos(60^\circ)\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}x'\\y'\end{array}\right]

Cos(60°) is rational, but sin(60°) is not. For any non-zero rational values of x and y, the sum ...

  cos(60°)·x + sin(60°)·y

will be irrational.

As in the attached diagram, if one of the coordinates of the rotated point (B) is zero, then one of the coordinates of its image (C) will be rational. The other image point coordinate cannot be rational.

6 0
1 year ago
4 feet 6 inches - 2 feet 4 inches = feet inches
sleet_krkn [62]

Answer:2.16666667 feet (2 feet 2 inches)

Step-by-step explanation:

Plz vote me 5% and thanks

6 0
2 years ago
Read 2 more answers
2:1 write the next 3 equuvalent ratio
Usimov [2.4K]

2:1=\dfrac{2}{1}=\dfrac{2\cdot2}{1\cdot2}=\dfrac{4}{2}=4:2\\\\2:1=\dfrac{2}{1}=\dfrac{2\cdot3}{1\cdot3}=\dfrac{6}{3}=6:3\\\\2:1=\dfrac{2}{1}=\dfrac{2\cdot4}{1\cdot4}=\dfrac{8}{4}=8:4

3 0
2 years ago
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