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2 years ago

Giving brainliest!!!!!!

Mathematics

1 answer:

sesenic [268]2 years ago

3 0

Answer:

its blurry for me.

Step-by-step explanation:

You might be interested in

Which of the following is a coefficient in the expression below?<br> 5x2-3x+7

andre [41]

Answer:

5 and -3

Step-by-step explanation:

cause 2 and 7 are constants

5 0

2 years ago

USA Silver Medals

skelet666 [1.2K]

Answer:

1) The mean is actually 31

2) True, the mean would be about 35.

3) True, the mean would change because more medals were added for the USA.

4) True, the mean would be effected because two is added. It results in a increase

8 0

3 years ago

Read 2 more answers

Can someone help me ?

aliina [53]

Hola User_______________

Here IS YOUR Answer...!!!

_______________________

A.) 5.) 2/3 × 2/3 × 2/3 = (2/3)^3

6.) 4 × 4 × 4 = (4)^3

B.) 8.) (0.25) × (0.25) × (0.25)

9.) (1/9)×(1/9)×(1/9)

C.)

11.)3^3 = 9 and 4^3 = 64

12.)(4)^6 miles = 4096 miles

8 0

3 years ago

Read 2 more answers

How do i add 6.75 & 3.75?

Stella [2.4K]

Answer:

It's like adding whole numbers, but with a dot. add 75+75=150

Because 150 is more than 100, you add the 1 to the whole numbers, the 6 and the 3. Add 3+6+1=10

So your answer is 10.5

3 0

3 years ago

A florist is creating 10 centerpieces. Roses cost $2.50 each, lilies cost $4 each, and irises cost $2 each. A customer plans on

lana [24]

Answer:

8 Roses; 1 lilie ; 3 irises

Step-by-step explanation:

Let the number of roses be 'a' , number lilies be 'b' and number of irises be 'c'

$300 for 10 centerpieces means $30 per centerpiece. therefore,

$2.5a+4b+2c = 30$ .......................(1)

also each centerpiece must contain 12 flowers, therefore,

$a+b+c=12$ .................................(2)

also twice as much roses as the number of irises and lilies combined

$a = 2(b+c)$

$a-2b-2c=0$ ............................... (3)

a) System of equation are equations (1) , (2) & (3).

Writing a matrix equation

$\left[\begin{array}{ccc}2.5a&4b&2c\\a&b&c\\a&-2b&-2c\end{array}\right] = \left[\begin{array}{ccc}30\\12\\0\end{array}\right]$

b) Solving the simultaneous equation,

from (3), $a=2b+2c$

substituting for 'a' in equation (1) and (2),

⇒ 2.5(2b+2c)+4b+2c=30

⇒ 5b + 5c + 4b + 2c = 30

⇒ 9b + 7c = 30 ..................... (4)

⇒ 2b + 2c + b + c = 12

⇒ 3b + 3c = 12

⇒ b = 4 - c ..............................(5)

Substituting (5) in (4)

9 (4 - c) + 7c = 30

36 - 9c+7c =30

36-30 = 2c

c = 3

b = 4-3 = 1

a = 2(3+1) = 8

3 0

3 years ago