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ololo11 [35]
3 years ago
7

- 2 \\ y = - 3x + 5" alt="y = 4x - 2 \\ y = - 3x + 5" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
fredd [130]3 years ago
8 0

Answer:

1

Step-by-step explanation:

Both expressions equal y so it means they're both equal to each other. So you can put them in an equation:

4x - 2 = -3x + 5

Move all constants to one side and variables to the other.

4x - 2 = -3x + 5

    +2           +2

-------------------------

4x = -3x + 7

+3x   +3x

-------------------------

7x = 7

Solve.

7x = 7

/7    /7

-----------

x = 1

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Find the area of this circle. Use 3 for a.A = 7r2=11 in[?] in?
liberstina [14]

SOLUTION

We want to find the area of the circle in the picture given.

We have been given the formula as

\begin{gathered} A=\pi r^2 \\ We\text{ are told to take }\pi\text{ as 3} \\  \end{gathered}

From the circle, the radius r = 11 in.

The area of the circle becomes

\begin{gathered} A=\pi r^2 \\ A=\pi\times r^2 \\ A=3\times11^2 \\ A=3\times11\times11 \\ A=363in^2 \end{gathered}

Hence the answer is 363 square-inches

7 0
1 year ago
The average age of 6 men is 35 years and
PSYCHO15rus [73]

Answer:

39.50

42.50

Step-by-step explanation:

Age of the 2 men = sum of the ages of the 6 men - sum of the ages of the 4 men

Average = sum of ages / total number of men

35 = sum of ages / 6

sum of ages = 35 x6 = 210

32 = sum of ages / 4

32 x 4 = sum of ages

128

210 - 128 = 82

age of the younger man = x

age of the older man = 3 + x

x + 3 + x = 82

2x + 3 = 82

2x = 82 - 3

2x = 79

x = 79/2 = 39.5

older man = 39.5 + 3 = 42.50

7 0
3 years ago
Brandon is baking cookies for a school bake sale. If he can make 2 dozen cookies in 23 minutes which is a reasonable estimate of
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It would be around 138 minutes which is 2 hrs and 18 min so it would be C).
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Step-by-step explanation:

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