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3 years ago

Show all your working please

Mathematics

1 answer:

Basile [38]3 years ago

4 0

Answer:

45 cm²

Step-by-step explanation:

area = ½×11×13×sin 39°

= 71.5 × 0.6294

= 45 cm²

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How do you round 0.90 to the thousandths place

valentina_108 [34]

Move the decimal to right 3 times

7 0

3 years ago

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Si en 11 cajas de chocolates hay 220 chocolates en total. Calcula cuántos chocolates habrá en total en 5 cajas de chocolates.

pochemuha

Answer:

Habrá 100 chocolates en total en 5 cajas de chocolates.

Step-by-step explanation:

Esta pregunta es resolvida usando proporciones, con lo uso de regla de tres .

11 cajas, 220 chocolates:

Entonces:

$\frac{220}{11} = 20$

20 chocolates por caja.

Calcula cuántos chocolates habrá en total en 5 cajas de chocolates.

20 chocolates por caja, entonces:

5*20 = 100

Habrá 100 chocolates en total en 5 cajas de chocolates.

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2 years ago

Find the sum of −(23)x−8 and 35x−4 .

Anna007 [38]

Step-by-step explanation:

֊23x-8+35x-4=12x-12

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7 0

3 years ago

Read 2 more answers

APT4PTO

inysia [295]

Answer:

1536 square inches

Step-by-step explanation:

In units of 5 feet, the backdrop is 3 units wide and 2 units high, for a total area of 3×2 = 6 square units.

Those same units on the scale drawing are each 16 inches. One square unit on the scale drawing is (16 in)² = 256 in². So, 6 of them have an area of ...

6 × 256 in² = 1536 in²

6 0

2 years ago

Solve for t. <br><br> d=3+at^2

GalinKa [24]

Answer:

it's the 2nd one

Step-by-step explanation:

d = 3 + at^2

-3 | -3

d - 3 = at^2

d - 3/a = t^2

√d - 3/a = √t^2

t = √d - 3/a

8 0

3 years ago

Show all your working please​

Show all your working please