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dsp73
4 years ago
15

Ifa student wanted to design an experiment that uses sound scientific principles, which of the following

Mathematics
1 answer:
qaws [65]4 years ago
4 0

Answer:

the answer is B

Step-by-step explanation:

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Which point on the graph below is included in the solution to the following system of equations?
monitta

Answer:

D(-7,-2)

Step-by-step explanation:

A(-4,3)  B(5,-1)  C(-2,-6)    D(-7,-2)

A: 5×(-4) + 6×3 = -2 ≥ -30 ..... No

B: 2/3×5 + 1 =4.33 ≥ -1 ....No

C:  -6 ≤ 2/3×-2 +1 ....No

D: 2/3×(-7)+1 = 2.333 ≤ -2

    5×(-7) + 6×(-2) = -47 ≤ -30 ......Yes

5 0
3 years ago
Find the surface area of the cylinder to the nearest tenth of a square unit. use 3.14 for pi
Alborosie

Given:

  • Height of cylinder is 18.2 cm
  • Radius of cylinder is 3 cm

~

To Find?

  • Surface area

~

Solution:

Using formula:

  • Surface area of cylinder = 2πr (h + r)

~

Substituting values in the formula:

\longrightarrow \sf 2 × 3.14 × 3 (18.2 + 3)

\longrightarrow \sf 6.28 × 3 (21.2)

\longrightarrow \sf 18.84 × 21.2

\longrightarrow \sf 399.4 cm²

~

  • Hence, (B) 399.4 cm² is right answer.
6 0
2 years ago
I need help guys Find (f+g)(x)
mihalych1998 [28]
The answer would be D, I'm sure that is correct so you dont need to check <3 b e l i e v e i n m e
7 0
3 years ago
Twelve eggs cost $2.04 how much would 18 eggs cost?
marshall27 [118]

Answer:

18 eggs would cost $3.06 :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
An area of 4 square yards is equal to 36 square feet. 10 square yards is equal to how many square feet?
Debora [2.8K]

Answer:

90 square feet

Step-by-step explanation:

36 square feet divided by 4 square yards equals to 9 square feet for 1 square yard.

9 square feet times 10 square yards equals to 90 square feet.

8 0
3 years ago
Read 2 more answers
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