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den301095 [7]
3 years ago
13

Could someone do this ?

Mathematics
1 answer:
sladkih [1.3K]3 years ago
3 0

Answer:

A is the answer

Step-by-step explanation:

It's a larger number

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Complete the statement. Round to the nearest hundredth if necessary. 13 km = _ mi?
Kryger [21]

Answer: 8.08

Step-by-step explanation:

Simply know that 1 kilometer is about 0.62 miles, then multiply thay by 8.

4 0
3 years ago
Vincent is calculating values for a direct variation which has a constant of variation of k=13.
vagabundo [1.1K]

Answer:

  • (9, 6) is incorrect

Step-by-step explanation:

It seem the constant of variation is k = 1/3.

<u>The equation is:</u>

  • y = kx or
  • y = 1/3x

<u>Let's verify the values in the table:</u>

  • 1 = 3*1/3 ⇒ 1 = 1, correct
  • 2 = 6*1/3 ⇒ 2 = 2, correct
  • 6 = 9*1/3 ⇒ 6 = 3, incorrect
  • 4 = 12*1/3 ⇒ 4 = 4, correct
4 0
3 years ago
Read 2 more answers
ILL GIVE BRAINLIEST PLEASE HELP ME
Likurg_2 [28]
The answer is c have a wonderful day
4 0
3 years ago
a farmer plant white rice and brown rice on 10 acres and he has 18 liter of pesticide to use. white rice requires 2 liters of pe
exis [7]

Answer:

Step-by-step explanation:

sticide per acre and brown rice requires 1 liter of pesticide per acre. if he can earn $5000 for each acre of white rice ans $3000 for each acre of brown rice, how many acre of each should by plan to maximize his earnings? what are his maximum earning?​

6 0
3 years ago
Find the projection of the vector A = î - 2ġ + k on the vector B = 4 i - 4ſ + 7k. 15. Given the vectors A = 2 i +3 ſ +6k and B =
Gwar [14]

Answer:

Part 1)

Projection of vector A on vector B equals 19 units

Part 2)

Projection of vector B' on vector A' equals 35 units

Step-by-step explanation:

For 2 vectors A and B the projection of A on B is given by the vector dot product of vector A and B

Given

\overrightarrow{v_{a}}=\widehat{i}-2\widehat{j}+\widehat{k}

Similarly vector B is written as

\overrightarrow{v_{b}}=4\widehat{i}-4\widehat{j}+7\widehat{k}

Thus the vector dot product of the 2 vectors is obtained as

\overrightarrow{v_{a}}\cdot \overrightarrow{v_{b}}=(\widehat{i}-2\widehat{j}+\widehat{k})\cdot (4\widehat{i}-4\widehat{j}+7\widehat{k})\\\\\overrightarrow{v_{a}}\cdot \overrightarrow{v_{b}}=1\cdot 4+2\cdot 4+1\cdot 7=19

Part 2)

Given vector A' as

\overrightarrow{v_{a'}}=2\widehat{i}+3\widehat{j}+6\widehat{k}

Similarly vector B' is written as

\overrightarrow{v_{b'}}=\widehat{i}+5\widehat{j}+3\widehat{k}

Thus the vector dot product of the 2 vectors is obtained as

\overrightarrow{v_{b'}}\cdot \overrightarrow{v_{a'}}=(\widehat{i}+5\widehat{j}+3\widehat{k})\cdot (2\widehat{i}+3\widehat{j}+6\widehat{k})\\\\\overrightarrow{v_{a'}}\cdot \overrightarrow{v_{b'}}=1\cdot 2+5\cdot 3+3\cdot 6=35

7 0
4 years ago
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