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11Alexandr11 [23.1K]
3 years ago
9

I’m confused on this one

Mathematics
1 answer:
djyliett [7]3 years ago
4 0

BD is 62 cm because first we have to plug 8 as x and we get BE as 31 and since BE is half of BD then BD would be 31*2 which is 62.

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HELP!!
Aleksandr-060686 [28]

Answer:

Component form of u is (-18,13)

The magnitude of u is 22.2

Step-by-step explanation:

The component form of a vector is an ordered pair that describe the change is x and y values

This is mathematically expressed as (Δx,Δy) where Δx=x₂-x₁ and Δy=y₂-y₁

Given ;

Initial points of the vector as (14,-6)

Terminal point of the vector as (-4,7)

Here x₁=14,x₂=-4, y₁=-6 ,y₂=7

The component form of the vector u is (-4-14,7--6) =(-18,13)

Finding Magnitude of the vector

║u=√(x₂-x₁)²+(y₂-y₁)²

║u=√-18²+13²

║u=√324+169

║u=√493

║u=22.2

7 0
3 years ago
∠A=8x+6 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 8, x, plus, 6, degrees, end color #11ac
zvonat [6]

Answer:

x = 8

B = 70

Step-by-step explanation:

Given

A = 8x + 6

B = 4x + 38

Require

Determine x and <B

Missing in the question: A and B are vertical angles

For vertical angles A and B,

A = B

Substitute values for A and B

8x + 6 = 4x + 38

Collect Like Terms

8x - 4x = 38 - 6

4x = 32

Solve for x

x = 32/4

x = 8

To solve for B, substitute 8 for x in B = 4x + 38

B = 4 * 8 + 38

B = 32 + 38

B = 70

8 0
3 years ago
Read 2 more answers
What is the next term in the geometric sequence?<br><br> 4/9,-4/3,4,...
Komok [63]

Answer:

-12

Step-by-step explanation:

r = -3

4/9 * (-3) = -4/3

-4/3 * (-3) = 4

so, 4 * (-3) = -12

7 0
2 years ago
Humans have a normal body temperature of 98.6 F A temperature, x, that differs from normal by at least 2°F is considered unhealt
Romashka-Z-Leto [24]

Answer: 98.6 - x ≥ 2 or x - 98.6 ≥ 2  

Step-by-step explanation:

Since, the normal temperature = 98.6° F

Also, the temperature that differs from normal by at least 2°F is considered unhealthy.

If the temperature is x degree F,

Then, we have two conditions,

Condition 1 : x > 98.6,

The difference between 98.6 and x = x - 98.6

Then the inequality be,

x - 98.6 ≥ 2

Condition 2 : x < 98.6

The difference between 98.6 and x = 98.6 - x

Then the inequality be,

98.6 - x ≥ 2

3 0
3 years ago
Please help. It's algebra
spayn [35]

Answer: For the first option it is 28y^2 +31y - 10

Step-by-step explanation: Hope this helps

7 0
3 years ago
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