3 years ago

Can some one help me with some math problems

1 answer:

4 0

It's C, Y = 2x + 3. This is cause, if we use the table and say that y = 5 and x = 1, then 5 = 1 x 2 + 3 which is correct

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lys-0071 [83]

Answer: 12 inches

Step-by-step explanation:

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2 years ago

What’s.the perimeter of a square with an area of 49 cm2

Free_Kalibri [48]

Answer:

Step-by-step explanation:

Area of a square =

$s^2$

Perimeter =

$4\times s$

Where s = side

Solve for s using the area

$A =49\\\\49 = s^2\\\\Square\:root \:both\:sides\:of\:the\:equation\\\\\sqrt{49} = \sqrt{s^2} \\\\7 =s\\\\s =7$

Find the perimeter

$4\times s\\\\= 4 \times 7\\\\= 28$

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3 years ago

Mia recorded the hair colors of the people who have already taken their seats at a seminar.

Aloiza [94]

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8 months ago

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Find the value of m .

kondor19780726 [428]

Step-by-step explanation:

if the 2 matrices are inverse, then their product must be the identity matrix

1 0

0 1

so,

m×3 + 2×-7 = 1

7×3 + 3×-7 = 0

m×-2 + 2×m = 0

7×-2 + 3×m = 1

that means we have to solve only

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2 years ago

2) Mackenzie just started training for a marathon. According to her plan,

IrinaVladis [17]

25/19 = 1.31589474
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2 years ago

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