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Dmitry_Shevchenko [17]

3 years ago

14

Cara wants new carpeting for her bedroom. Her bedroom is an 8ft by 6ft rectangle. How much carepeting does she need to nuy to co

ver her entire bedroom floor?

1 answer:

Verizon [17]3 years ago

5 0

48 because length times width you get answer so 8x6=48

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Y=x-3 and y=-3x+25 in substitution form

Vlad1618 [11]

(x-3)=-3x+25

Because we know that y=x-3 so we put that in place of y in the equation

8 0

3 years ago

Anni [7]

Given:

The matrix multiplication

$\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}$

To find:

The order of resulting matrix.

Solution:

We know that, if order of first matrix is $m_1\times n_1$ and the order of second matrix is $m_2\times n_2$ , then the order of these two matrices is $m_1\times n_2$ .

We have,

$\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}$

Here, the order of first matrix is $2\times 3$ and the order of the second matrix is $3\times 1$ . So, the order of the second matrix is $2\times 1$ . It is also written are 2 by 1.

Therefore, the correct option is A.

6 0

3 years ago

Read 2 more answers

How many times does 1/4 go into 9/16

Monica [59]

Answer as a fraction = 9/4

Answer in decimal form = 2.25

================================================

Explanation:

1/4 = 4/16 after multiplying top and bottom by 4

We have some number x such that

(4/16)x = 9/16

we can multiply both sides by 16 to clear out the fractions, getting 4x = 9

Then we divide both sides by 4 to get x = 9/4 = 2.25

6 0

3 years ago

A segment has endpoints A and C. What are two names for the segment?

nexus9112 [7]

Answer:

Ac CA is your answer

Step-by-step explanation:

MARK ME AS BRAINLIEST

6 0

2 years ago

Read 2 more answers

Jenna and Heidi together have $60. Jenna has $9 more than twice Heidi’s amount. How much money does each have?

Marina86 [1]

Jenna has $43 and Heidi has $17.

Step-by-step explanation:

Total amount = $60

Let,

Amount of Jenna = x

Amount of Heidi = y

According to given statement;

x+y=60 Eqn 1

x=2y+9 Eqn 2

Putting value of Eqn 2 in Eqn 1;

$(2y+9)+y=60\\2y+9+y=60\\3y=60-9\\3y=51$

Dividing both sides by 3,

$\frac{3y}{3}=\frac{51}{3}\\y=17\\$

Putting y=17 in Eqn 2

$x=2(17)+9\\x=34+9\\x=43$

Jenna has $43 and Heidi has $17.

Keywords: linear equations, substitution method

Learn more about substitution method at:

#LearnwithBrainly

4 0

3 years ago