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Crank
3 years ago
7

Consider matrix A. A=[−385−123] What matrix results from the elementary row operations represented by −2R2+3R1?

Mathematics
1 answer:
Ivan3 years ago
5 0

Answer:

Did you get the answer?

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10) Use the equation x2 + 8x = 9 to answer the following questions (1 point for each part, 2 points total). .
GREYUIT [131]

Answer:

i might be wrong but i think its 10

Step-by-step explanation:

x2+8x=9

collet terms

10x=9

divide both side by 10

x = 9/10

alternative form

x = 0.9

8 0
3 years ago
A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 41 specimens and counts the number of
e-lub [12.9K]

Answer:

(53.3; 56.1)

Step-by-step explanation:

Given that:

Sample size, n = 41

Mean, xbar = 54.7

Standard deviation, s = 5.3

Confidence level, Zcritical at 90% = 1.645

Confidence interval :

Xbar ± Margin of error

Margin of Error = Zcritical * s/sqrt(n)

Margin of Error = 1.645 * 5.3/sqrt(41)

Margin of Error = 1.362

Lower boundary = 54.7 - 1.362 = 53.338

Upper boundary = 54.7 + 1.362 = 56.062

(53.3 ; 56.1)

6 0
3 years ago
5. Susan receives a Federal Direct Subsidized Loan for $1,000 as a freshman in
PSYCHO15rus [73]

Answer:

c

Step-by-step explanation:

subsidized means that they pay for it

4 0
3 years ago
PLEASE ANSWER QUICK AS POSSIBLE WILL NOMINATE CASH PRIZE UP TO $1000 AND BRAINLIEST!!!!
Igoryamba

Answer:0 and 5

Step-by-step explanation:i looked at the chart  and 0 and 5 are the ones with the least amount of left handed.

4 0
3 years ago
A local store, Faith Ltd has two options to choose either Big Van or Small Van or both types of van to supply bags of rice to lo
Nady [450]

Answer:

Cheapest cost to pay = £906

Step-by-step explanation:

Given that:

Rice to supply = 50 tonnes

Option A:

Big van has capacity of 15 tonnes.

Number of big vans = \frac{50}{15}=3.33

It means that 4 big vans will be needed for transporting 50 tonnes of rice.

Cost of 4 vans = 4*250 = £1000

Option B:

Small van has capacity of 9 tonnes.

Number of small vans = \frac{50}{9} = 5.55

It means that 6 small vans will be nedded for transporting 50 tonnes of rice.

Cost of 6 vans = 6*151 = £906

Therefore,

The company can transport the rice through small vans.

Hence,

Cheapest cost to pay = £906

6 0
3 years ago
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