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3 years ago

Guys I really need help

Mathematics

2 answers:

nevsk [136]3 years ago

6 0

Answer:

D. 96.9 square centimeters

Step-by-step explanation:

A=bh

11.4 x 8.5

=96.9 square centimeters.

Marrrta [24]3 years ago

3 0

Answer: option D (96.9 cm)

Step-by-step explanation:

area = Lw

area = 8.5 x 11.4 = 96.9 cm

option D

if you have any questions, let me know

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this year Martin income is 1/4 greater than his income from last year. If s represents his income from last year, what is his in

liberstina [14]

Answer:

Step-by-step explanation:

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3 years ago

The width is 7 and the diagonal is 25 what is the height

Korvikt [17]

The height is 24.

We can use Pythagorean’s Theorem: a^2+b^2=c^2

substituting values we get:

a^2+7^2=25^2

Solving we get:
a^2+49=625
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a=24.

So the height is 24.

Hope this helps!

8 0

3 years ago

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UkoKoshka [18]

Answer:

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3 years ago

Find two consecutive whole numbers such that 4/7 of the larger exceeds 1/2 of the smaller by 5

Darina [25.2K]

Answer:

The consecutive numbers are 62 and 63

Step-by-step explanation:

Let the larger number be represented by x and the smaller number by y,

Provided they are consecutive numbers;

$x = y + 1$ --- Equation 1

From the question; we have that

$\frac{4x}{7} = \frac{y}{2} + 5$ --- Equation 2

Required

Find x and y

Multiply both sides of equation 2 by 14

$14 * \frac{4x}{7} = 14 * \frac{y}{2} + 14 * 5$

$2 * 4x = 7 * y + 70$

$8x = 7y + 70$ ---- Equation 3

Substitute y + 1 for x in equation 2

$8(y + 1) = 7y + 70$

Open bracket

$8y + 8 = 7y + 70$

Collect like terms

$8y - 7y = 70 - 8$

$y = 62$

$x = y + 1$

So,

$x = 62 + 1$

$x = 63$

Hence, the consecutive numbers are 62 and 63

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3 years ago

Factor completely −5x2 + 10x − 25.

garri49 [273]

5(2x-7)

Hope this helps !

Have a great day!

3 0

2 years ago