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adelina 88 [10]
3 years ago
12

Drag each tile to the correct box. Order the expressions from least value to greatest value. ​

Mathematics
1 answer:
wel3 years ago
5 0

Answer:

\frac{5}{-1.6}

Step-by-step explanation:

We will solve the given expressions and find the answer in decimals.

1). 5\frac{6}{15}+(-2\frac{4}{5}) = 5\frac{2}{5}-2\frac{4}{5}

                   = 5.4 - 2.8

                   = 2.6

2). -3\frac{3}{10}-(-\frac{7}{20})=-3\frac{3}{10}+\frac{7}{20}

                           = -3.3 + 0.35

                           = -2.95

3). \frac{5}{-1.6}=-\frac{5}{1.6}

      = -3.125

4). (-4.5) × (-2.3) = 10.35

Solution of the expressions in the increasing order will be,

-3.125 < -2.95 < 2.6 < 10.35

\frac{5}{-1.6}

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95*4=380

Step-by-step explanation:

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It should be the top left because the shaded area is below (or less than) the line -3/4x +1 and greater than the other line
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A recipe calls for 1 cup of ground almonds. How many ounces of ground almonds should you use for this recipe if 1 pint of ground
aleksley [76]

Answer: There are 3.36 ounces of ground almonds in 1 cup.

Step-by-step explanation:

Since we have given that

1 pint = 0.42 pounds

As we know that

1 cup = 0.5 pints

1 pound = 16 ounces

So, We need to find the number of ounces.

As 1 pint = 0.42 pounds = 0.42 × 16 = 6.72 ounces

0.5 pints is given by

6.72\times 0.5\\\\=3.36\ ounces

Hence, there are 3.36 ounces of ground almonds in 1 cup.

3 0
3 years ago
Write a proof for the conjecture using the contrapositive. <br> If 5x + 7 = -13, then x = -4.
KonstantinChe [14]

Answer:

ans x=4

Step-by-step explanation:

  • 5x + 7 = -13
  • 5x = -13 -7
  • 5x= -20
  • x = -20/5
  • x = -4
  • so the answer is x= -4
3 0
3 years ago
Find a parametric representation for the part of the cylinder y2 + z2 = 49 that lies between the planes x = 0 and x = 1. x = u y
sweet-ann [11.9K]

Answer:

The equation for z for the parametric representation is  z = 7 \sin (v) and the interval for u is 0\le u\le 1.

Step-by-step explanation:

You have the full question but due lack of spacing it looks incomplete, thus the full question with spacing is:

Find a parametric representation for the part of the cylinder y^2+z^2 = 49, that lies between the places x = 0 and x = 1.

x=u\\ y= 7 \cos(v)\\z=? \\ 0\le v\le 2\pi \\ ?\le u\le ?

Thus the goal of the exercise is to complete the parameterization and find the equation for z and complete the interval for u

Interval for u

Since x goes from 0 to 1, and if x = u, we can write the interval as

0\le u\le 1

Equation for z.

Replacing the given equation for the parameterization y = 7 \cos(v) on the given equation for the cylinder give us

(7 \cos(v))^2 +z^2 = 49 \\ 49 \cos^2 (v)+z^2 = 49

Solving for z, by moving 49 \cos^2 (v) to the other side

z^2 = 49-49 \cos^2 (v)

Factoring

z^2 = 49(1- \cos^2 (v))

So then we can apply Pythagorean Theorem:

\sin^2(v)+\cos^2(v) =1

And solving for sine from the theorem.

\sin^2(v) = 1-\cos^2(v)

Thus replacing on the exercise we get

z^2 = 49\sin^2 (v)

So we can take the square root of both sides and we get

z = 7 \sin (v)

4 0
3 years ago
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