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Anuta_ua [19.1K]
3 years ago
15

Is (3,10) a solution to this system of equations? y=2x+3 y=x+7

Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer: no

Step-by-step explanation:

plug in (3,10) to y=2x+3

10=2(3)+3

10=6+3

10\neq9

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A map has a scale of 1 cm : 9 km. If two cities are 2 centimeters apart on the map, what is the actual distance between the citi
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Answer:

18 kilometers

Step-by-step explanation:

If each 1 cm represents 9 kilometers.

How many would 2 cm represent?

x =  \frac{9 \times 2}{1}  = 9  \times 2 = 18

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2 years ago
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4

Step-by-step explanation:

First you solve for x

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2(4)-4

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3 years ago
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How many cakes can you make having 3 2/3 cups of flour,if for one cake you need 1/3 cup of flour?​
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Answer:

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Step-by-step explanation:

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What is the surface are of a rectangular prism of the length is 18cm the width 6cm and the height 3cm
Harlamova29_29 [7]

The surface area of rectangular prism is 360 square inches

<em><u>Solution:</u></em>

Given that rectangular prism of the length is 18 cm the width 6 cm and the height 3 cm

To find: Surface area of rectangular prism

<em><u>The Surface area of rectangular prism is given by formula:</u></em>

A=2(wl+hl+hw)

Where,

"l" is the length and "h" is the height and "w" is the width of prism

From given,

l = 18 cm

w = 6 cm

h = 3 cm

<em><u>Substituting the values in formula,</u></em>

A = 2((6 \times 18) + (3 \times 18) + (3 \times 6))\\\\A = 2(108+54+18)\\\\A = 2 \times 180\\\\A = 360

Thus surface area of rectangular prism is 360 square inches

4 0
3 years ago
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