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Aneli [31]
3 years ago
12

-Solve the proportion (round to the nearest tenth). 1910=x12

Mathematics
1 answer:
zysi [14]3 years ago
5 0

The value of x in the proportion is 15.8.

1910 = x12

1910 = 12x

divide both sides by  12

1910 / 12 = 12x / 12

x = 15.8333333333

x ≈ 15.8

read more: brainly.com/question/14026746?referrer=searchResults

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Compare 10-12<br>Order from least to greatest 13-14​
nexus9112 [7]

Answer:

10) 2/3 > 0.6

11) 7% < 7/10

12) 6.5 = 650%

13) 38%, 0.4, 5/8

14) 1/2, 0.55, 57%

Step-by-step explanation:

I changed everything to decimal form to make it easy

10) 2/3 = 0.66

11) 7/10 = 0.7 7% = 0.07

12) 650% = 6.5

13) 5/8 = 0.625 38% = 0.38

14) 1/2 = 0.5 57% = 0.57

6 0
4 years ago
You need 2 yards of fabric to cover 3 pillows and 6 yards to cover 9 pillows. How much fabric do you need to cover 15 pillows?
GarryVolchara [31]

Answer:

10 yards

Step-by-step explanation:

3 pillows = 2 yards

3*5 = 15

therefore, 2*5 = 10 yards

5 0
3 years ago
Read 2 more answers
5. The gradient of the tangent line to the graph of f(x)= 2x^2 + kx - 3 at x = -1 is 1. Find the value of k
Trava [24]

The gradient of the tangent line to y(x) at (c,y(c)) is given by the value of the derivative at x=c. We have

f(x)=2x^2+kx-3\implies f'(x)=4x+k

We're told that f'(-1)=1. Then

1=4(-1)+k\implies k=5

4 0
4 years ago
Which trig ratio uses hypotenuse and adjacent side
e-lub [12.9K]

Answer:

It's cosine.

Step-by-step explanation:

Cosine is Adjacent / Hypotenuse.

7 0
4 years ago
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If m&lt;3=135 find m&lt;7 help please
olchik [2.2K]

Answer:

\fbox{m∠7 = 135°}

Step-by-step explanation:

Given a transversal that intersects a set of parallel lines, various angles are formed.

When given this situation in geometry, these angles have different names and statements (primarily theorems) which justify their relationship.

There are 8 primary types of possible angles of parallel lines including:

  • Alternate Interior
  • Alternate Exterior
  • Same-Side (Consecutive) Interior
  • Same-Side (Consecutive) Exterior
  • Corresponding Angles
  • Vertical Angles
  • Supplementary Angles
  • Linear Pair

________________________________

According to what is given in the problem, we know that:

m∠3 = 135°.

________________________________

To solve for m∠7, we must identify the relationship that ∠3 and ∠7 have.

________________________________

Here is the solution in proof form:

_______________

Statement | Reason

m∠3 = 135° | Given

m∠3 ≅ m∠5 | Vertical Angles

m∠5 ≅ m∠7 | Corresponding Angles Theorem

m∠3 ≅ m∠7 | Transitive Property of Equality

m∠7 = 135° | Definition of Congruent Angles

5 0
3 years ago
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