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deff fn [24]
3 years ago
12

Given vectors a = (2, 6) and b = (-3, 4), find – 3 a +5b. Write your answer in component form.

Mathematics
1 answer:
Aliun [14]3 years ago
3 0

Answer:

\huge\boxed{-3\overrightarrow{a}+5\overrightarrow{b}=\left}

Step-by-step explanation:

\overrightarrow{a}=\left\\\\\overrightarrow{b}=\left\\\\-3\overrightarrow{a}+5\overrightarrow{b}=-3\left+5\left=\left+\left\\\\=\left+\left=\left=\left

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The district manager of four different restaurants wanted to investigate whether the four restaurants differed with respect to c
Alex_Xolod [135]

Answer:

<em>Hello your question is incomplete attached below is the complete question</em>

answer : There is not convincing statistical evidence to suggest that the proportion of customers who order dessert at each restaurant is not the same based on family classification. ( E )

Step-by-step explanation:

To arrive at this conclusion we will determine the Null and alternate hypothesis

<em>H0 : Number that orders dessert is same based on family classification given</em>

<em>Ha : Number that orders dessert is not the same based on family classification given </em>

from the question the p-value of Chi-square test is 0.092 > 0.05 hence we will fail to reject the null hypothesis. therefore we can conclude that

There is not convincing statistical evidence to suggest that the proportion of customers who order dessert at each restaurant is not the same based on family classification

5 0
3 years ago
A circle has a circumference of 28.26cm. what is the area of the circle? show work please
earnstyle [38]
-circumference is equal to pi×diameter, area is equal to pi×radius^2
-28.26÷3.14=9, 9÷2=4.5, 4.5×4.5=20.25, and 20.25×3.14=63.585
-rounded to the nearest hundredth, the answer is 63.59


8 0
3 years ago
Please answer all or what you can do &lt;3
aleksandrvk [35]

Answer:

+150

-15

-75

+35

-24.75

Hope this helps!!

4 0
3 years ago
Read 2 more answers
Pls answer I will give brainliest
Levart [38]

Answer: 108 ft³ 

Step-by-step explanation:

V= 4/3πr³ 

Facts:

Pi= 3

Diameter = 6

Step1; find the radius

Diameter is the length acaross the whole circle, but the radius is just 1/2 the circle. Therefore, if the diameter is 6, then the radius can be found by finding 1/2 of 6.

1/2 of 6= 1/2x6= 3.

R= 3

Step 2:  Plug in the numbers (into the formula)

PEMDAS

(exponents go first)

(then multiply from left to right)

V= 4/3πr³ 

V= 4/3x3x3³ 

V= 4/3x3x (3x3x3)

V= 4/3x3x27

V= (4/3x3)  x 27

V= 12/3x27

V= 4x27

V= 108

<u><em>Volume= 108 ft³ </em></u>

<u><em></em></u>

Hope this helps :)) Also brainliest would be appreciated, i worked pretty hard on this thanks! :)

7 0
2 years ago
Read 2 more answers
Which expression can be written as 5 x (2 + 7)
swat32
The correct answer is definitely C.
8 0
3 years ago
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