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3 years ago

How do i solve this? I dont understand what the big number is to the small number

Mathematics

1 answer:

Gelneren [198K]3 years ago

3 0

The red figure is smaller so it is a reduction.

To find the scale factor divide the length of the smaller shape by the length of the larger shape:

9/15 this can be reduced to 3/5

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Read 2 more answers

I need help bbbbbbbb

Sav [38]

Answer: 180cm

Explanation:

The area of a triangle is 1/2(b)(h).
The height of the triangles is 12cm and the base is 6cm.

1/2(6)(12) = 36cm
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8 0

3 years ago

What is the value or x?

Romashka [77]

From the given figure

$\cos x=\frac{XY}{XZ}$

Since XY = 5.1 and XZ = 7.7, then

$\cos x=\frac{5.1}{7.7}$

To find x, use the inverse of cos

$x=\cos ^{-1}(\frac{5.1}{7.7})$

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The answer is

4 0

1 year ago

Find the work W done by a force of 7pounds acting in the direction 30 degreesto the horizontal in moving an object 7feet from (0

Vikki [24]

Answer:

The work done by the force is 42.4 Joules

Step-by-step explanation:

The force F = 7 pounds

angle to the horizontal that the force acts ∅ = 30°

The object is moved a distance d = 7 feet

The coordinate (0 comma 0 )to (7 comma 0 ), indicates that the movement started from the origin, and is along the x-axis.

The work done by this force = F cos ∅ x d

==> 7 cos 30° x 7

==> 7 x 0.866 x 7 = 42.4 Joules

5 0

3 years ago