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VashaNatasha [74]
2 years ago
9

Evaluate the expression 2times9 pluse5times3

Mathematics
1 answer:
Ipatiy [6.2K]2 years ago
8 0

Answer:

33

Step-by-step explanation:

2 x 9 =18

5 x 3 = 15

15+18= 33

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Minimize Q=3x2+3y2​, where x+y=6.
weeeeeb [17]

Answer:

+(x + y) {}^{2}  = 6 {}^{2} \\ x {}^{2} + 2xy + y {?}^{2}  = 36

x {}^{2}  + y {}^{2}  = 36 - 2xy

q = 3(x {}^{2}  + y {}^{2} )

q = 3(36 - 2xy) = 108 - 6xy

5 0
2 years ago
Compare the dimensions of the prisms. How many times greater is the surface area of the purple prism than the surface area of th
zysi [14]

Answer: 3 times greater

Step-by-step explanation:

Height: 4x3=12

Length: 3x3=9

Width: 3x3=9

The sides on the red cuboid times by 3 equals the sides on the purple one.

Hope this helps :)

7 0
3 years ago
Find the value of 4/5 divided by 8/15. You must simplify.
mrs_skeptik [129]

Answer:

3/2

Step-by-step explanation:

Assuming you meant fractions, to divide them, you must multiply the reciprocal of that fraction. You'll then have:

4/5x15/8

Reduce the numbers of the greatest common factor which is 5:

4x3/8

Reduce the numbers of the greatest common factor which is now 4:

3/2 is your answer

6 0
2 years ago
3. The shaded part of the model shows what part of a
Tcecarenko [31]

Answer:

\dfrac{1}{6}

Step-by-step explanation:

From the diagram, the model is divided into 6 equal parts.

The shaded part of the model shows what part of the garden is planted with peas.

Since, 1 part out of 6 is shaded.

The fraction which names the shaded part is therefore: \dfrac{1}{6}

One-Sixth of the garden is planted with peas.

7 0
2 years ago
(3 ^−8⋅7^3) ^−2<br> in scientific notation please :)
Mekhanik [1.2K]

Answer: B

Step-by-step explanation:

Multiply exponents by the square:

-2 x -8 = 16

3 x -2 = -6

So...

3^16 x 7^-6

4 0
3 years ago
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