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zimovet [89]
3 years ago
12

Simplify this expression 3xx4y

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

  • 2x × 4y.

= 12xy

hope it is helpful to you

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find the cost of carpeting the following rectangular rooms:a. Dimensions: 7.5m x 4.5m; Cost= $14.17/m^2b. Dimensions: 17 yd. x 1
Bezzdna [24]

a)

Dimensions: 7.5m x 4.5m

Cost , x= $14.17/m^2.

The area of the rectangular room can be calculated as,

\begin{gathered} A=7.5\times4.5 \\ =33.75m^2 \end{gathered}

Now, the cost of carpeting the rectangular room is,

\begin{gathered} C=xA \\ =14.17\times33.75 \\ =478.24\text{ } \end{gathered}

Therefore, the cost of carpeting the room with dimensions 7.5m x 4.5m is $478.24.

b)

Dimensions: 17 yd. x 12 yd.

Cost, x= $25/yd^2.

The area of the rectangular room can be calculated as,

\begin{gathered} A=17\times12 \\ =204yd^2 \end{gathered}

Now, the cost of carpeting the rectangular room is,

\begin{gathered} C=xA \\ =25\times204 \\ =5100 \end{gathered}

Therefore, the cost of carpeting the room with dimensions 17 yd. x 12 yd is $5100.

6 0
1 year ago
20. The area of the base of a triangular prism
german

Answer: 40 cm^3

Step-by-step explanation:

The volume of a triangular prism is the base * height.

Therefore, the volume is 50 cm^2 * 8 cm = 40 cm^3

5 0
2 years ago
8b^2-5m+12 when b=6 and m=8<br><br><br>Plz help!
natka813 [3]
When you are given an equation or an expression and told the values for the variables, you can just substitute them into the equation to solve:

8b^2 - 5m + 12
8(6)^2 - 5(8) + 12
8(36) - 40 + 12
288 - 40 + 12
248 + 12
260

Answer:
260

Hope this helps! 
7 0
4 years ago
Elen inwests $100.000 in an account paying 75% interest compounded continuously , How much
Irina18 [472]

Step-by-step explanation:

zdsfcrtydfu6tyg87uytg867yutg867utyg56rfvtyfv6ytfv6tuyfrvuytrfvghfvhtfgvtyfv6tyftyhgfvuthfyuhfgvuytfg

8 0
3 years ago
Hey y’all can u give me the correct answer pls.
lianna [129]

Answer:

x > -7 (Hey man think before ask)

Step-by-step explanation:

It is so easy .....

8 0
3 years ago
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