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IgorC [24]
3 years ago
11

Hi can I have help with my work ​

Mathematics
1 answer:
gogolik [260]3 years ago
5 0

Answer:

Sure what do you need?

Step-by-step explanation:

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Assuming the standard definitions of addition and scalar multiplication, decide whether or not the following sets are vector spa
nadezda [96]

Answer:

See attached pictures.

Step-by-step explanation:

See attached pictures.

4 0
3 years ago
Find a1 when d= - 1 and a7= -2
Pie

Answer:

  • a₁ = 4

Step-by-step explanation:

<u>Given</u>

  • d = - 1
  • a₇ = - 2

<u>Find</u> a₁

Use the nth term equation of AP

  • aₙ = a₁ + (n - 1)d

Apply to the given case and solve for a₁

  • - 2 = a₁ + 6(- 1)
  • - 2 = a₁ - 6
  • a₁ = 6 - 2
  • a₁ = 4
5 0
2 years ago
The volume of a right cylinder is 155.4 ft. 3 The radius is 3 ft. Determine the height of the cylinder.
BigorU [14]

Answer:

The height is approximately 5.4961507

Step-by-step explanation:

The volume of a right cylinder is v= π · r² · h, where r is the radius and h is the height.

We know the radius and volume. We can figure out the height like so:

v= pi * r^2 * h\\\\\frac{v}{pi * r^2} = \frac{pi * r^2 * h}{pi * r^2}\\\\\frac{v}{pi * r^2} = h

Now, we just substitute the known values in for their corresponding variables:

\frac{155.4}{3.1415927 (approx.) * (3)^2} = h\\\\\frac{155.4}{3.1415927 (approx.) * 9} = h\\\\\frac{155.4}{28.2743339 (approx.)} = h\\\\5.4961507 = h

The height of the cylinder is approximately 5.4961507

8 0
3 years ago
A pattern has 8 blue triangles to every 8 yellow triangles. What is the ratio of yellow triangles to blue triangles?
Tpy6a [65]

Answer:

1:1

Step-by-step explanation:

if there are 8 of the yellow to 8 of the blue then the ratio would be 8:8 and that can simplify to 1:1 :)

6 0
4 years ago
What is 1/400 equal to in a percentage
finlep [7]

Basically the line (/) means divide so basically 1 divided by 400 but we need a percentage so 1/400 = 0.0025 which will be 0.25%

Hope this helps this is as much as I can really explain it.

7 0
3 years ago
Read 2 more answers
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