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2 years ago

5

Mary wants to get a computer monitor for her desk which can hold a 22 inch monitor. She has found a monitor 16 inches wide and 1

0 inches high. Will the computer fit into Mary’s cabin? Use the Pythagoras theorem to find out:

1 answer:

Allushta [10]2 years ago

7 0

Hhhhhhhhhhhhhhhhhhhh

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Find the equation of a line with m = 3 that passes though the point (-12,<br> 4).

Viefleur [7K]

Answer:

y = 3x + 40

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 3 , then

y = 3x + c ← is the partial equation

To find c substitute (- 12, 4 ) into the partial equation

4 = - 36 + c ⇒ c = 4 + 36 = 40

y = 3x + 40 ← equation of line

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2 years ago

Y is directly proportional to the square of x.

RUDIKE [14]

Answer:

The value of y is 847 for x=11

Step-by-step explanation:

It is given that y is directly proportional to the square of x

This can be written mathematically as:

$y \propto x^2$

Removing the proportionality symbol introduces a proportionality constant in the equation which is denoted by k

$y = kx^2$

Given that "When x is 5, y is 175"

$175 = k (5)^2\\175 = k*25\\k = \frac{175}{25}\\k = 7$

Putting the value of k

$y = 7x^2$

Now putting x = 11

$y = 7(11)^2\\y = 7 * 121\\y = 847$

Hence,

The value of y is 847 for x=11

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2 years ago

Write as a decimal fraction of a cm (a) 5 mm (b) 8mm

lys-0071 [83]

1 mm = 0.1 cm

(a) 5 mm

5 × 0.1 = 0.5

Fraction :- 5/0.5
5 ÷ 0.5 =10
Decimal:- 10

(b) 8 mm

8 × 0.1 = 0.8

Fraction:- 8/0.8
8 ÷ 0.8 = 10
Decimal:- 10

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goblinko [34]

12 × 8 = 96 3 × 3 = 9 96 - 9 = 87

(unlucky jasmine she does not have enough paint )

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3 years ago

Eleven less than three times a number

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The answer to this question could be 44

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